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SpectraVue User Guide Ver. 3.13 Aug 27, 2011

1. SpectraVue User Guide Ver 3 13 Aug 27 2011 MoeT ronix www moetronix com Table of Contents Me VERO GUCH OM E a a ea AOE e a a 5 tla BOK AAA a 5 RN A A cial clade Sama andes uvatagos uealidedine wan dalbiae gua aimiadadu ovis cmad mai audiaadaxesaceoaunmaeminaneanceiness 6 2 Genting tardo E a A caia 7 A a AAA a sack Suna iue bandas we nearness a te aeeela abut abel sia 7 2 2 Minimuny System RU OS A a EEA 7 LNFS mA Sta lato A E a T Zo INStAHING AAA E O eect E a E O E A 7 ES A O ee T AA O A a A E O a 9 ZA BASIC F Ogam eee 10 ZAT MANS Eea a di ici ica 10 Program DetallS aire E oi dore EE 11 AA A rer Tree eer ee RTE re ne en eR eee Penn en ee ee 11 A IA 11 Ea A e seca wa se zeae a sealant 11 SA 2S ave FETO EC dos 11 zA ea Save Sercem Graphies Pl ds 11 Sea Print Print Setup Print Pre vie Wiosen e a e aa 11 A o o A AE NS 11 A E E A 12 13 Sound Card In SEU a A a T icni s 12 LLW ave Tem Us A AS 13 ra lis fe SBR E Se 10 6 EE E a O IR E eee eee ee ee eee 14 ALAS DR I O SDa Opa ee Pe Cem ae ee R tree eee re ea ene ee 17 A SEN e e a e A A 19 SONES ROS a 22 ASA a a a S a S 24 AN A Se UDan a T a ea eon see aa a a e e 24 AZ A O MENU ee a e a A EN 25 Ik oc A C apre OE era a a a a a a a e a a oe ne 2 3 14 4S ave Continuum Datasas CSV Excel Format Files ite sccpcavas ciea n a o a aTa 28 3 L45Save W atertall Data as 1 byte pixel BMP Format Fale ee a ee ae 28 LAOS ao FFE Data as CSV Excel Formal can 29 3
2. y y C S SpectraVue i Radio gt SDR xx 12 123456 MHz Tune to 7 543210 MHz Also Display 12 123456 MHz Demod Not Possible HF Tracking Mode Do not Keep Center Frequency Same Ver 3 13 2011 08 27 96 IF mode not HF Tracking Keeping same center frequency This mode maintains the same center frequency on the radio as well as in SpectraVue The demod can still be tuned within the bandwidth of the SDR xx 1 296000 GHz RS 232 Radio lt sees SpectraVue SDR xx r 1 296000 GHz 1 296000 GHz IF Tracking Mode Keep Center Frequency Same IF mode not HF Tracking Allow independent tuning within the IF bandwidth This mode could be used to monitor two signals at the same time as long as they both are within the IF bandwidth of the receiver 1 296000 GHz 1 291234 GHz Y Rs 232 Radio gt mine SpectraVue SDR xx e K Ss Lo 1 296000 GHz 1 291234 GHz IF Tracking Mode Do not Keep Center Frequency Same 4 1 AOR AR5000 The following block diagram shows the basic setup for using the AOR AR5000 receiver with the SDR xx and SpectraVue If the SDR 14 is used then the PC s serial port must be used otherwise the SDR xx s RS232 port can be used to control the radio from SpectraVue Ver 3 13 2011 08 27 57 a E r a IF Output gt AR5000 gt SDR xx lt A A RS232 Port SDR IQ USB Port PC RS232 Port Ka A y PC RS232 Port
3. ecordl wa Cancel al The starting date is selected by clicking on the desired date on the calendar control Start Time UTC 15806 E The starting time is modified by clicking on the Hour Minute or Seconds field then either entering a number with the keyboard or use the up down arrow keys to set the start time in UTC Obviously the starting date and time must be in the future Remember to enable the recording button by clicking on the button until it is checked Multiple buttons can be enabled at the same time If any recording times overlap then the first one will finish its time slot then the overlapped time slot will record whatever time is remaining 3 1 4 3 Screen Capture to File FFT Continuum File saving Timed Saves 10 to 3600 Seconds C Wo Output File Saving Screen Capture to File JPG PNG or BMP Format Timed Only Save Continuum Data to CSW Excel Format File C Save Waterfall FFT Data as 1 byte omel BMP Format File Use Screen Resolution C Save FFT Data as CSW Excel Format File Timed Onl C Save absolute FFT Data as 2 byte Custom Binary Format File select Out File Lyocreendata png Timed Save OFF Timestamped Files C File Aopend Overwrite This option is only valid when the timed save mode is active Selecting this file saving option will capture the screen every N seconds to a time stamped file or it will overwrite the selected file each time Either png or jp
4. Install the software automatically Recommended Click Mextto continue Choose to Install from specific location Ver 3 13 2011 08 27 Found New Hardware Wiz Please choose your search and installation options Browse For Folder Select the folder that contains drivers for your hardware Search for the best driver in these locations Use the check boxes below to limit or expand the default search which inc removable media The best driver foung will be installed B Program Files Search removable media floppy CD ROM D spectrawWue 5 FilterComp Include this location in the search 3 mat CAPROGPAM FILES SPECTRAYVUESDRI4USBDRIVE y mn Palettes N SDR 14UsBdriver C Don t search will choose the driver to install ic SDRIQUSBdriver Utilities gt Choose this option to selectthe device driwer from alist Windows does n driver you choose will be the best match for your hardware lt Back ext gt Browse to the Program Files Spectavue SDR14USBdrive folder and click OK lt A Hardware Installation A The software you are installing for this hardware SOR 14 USE Driver has not passed Vindows Logo testing to verify its compatibility with Windows lt P Tell me why this testing is important Continuing your installation of this software may impair or destabilize the correct operation of your system either Immediately or in the future Microsoft strongly recommend
5. Fde On Scale Stop F10 Pause F11 MB Off Setup sound Card Volume Filter 3300 3300 0 Peak NCO Null Tie Spacebar C o R Auto Scale SDR 14 gt Sound 1 o Apr 2008 125424 UTC The Main Screen should look similar to this when first run The receive center frequency can be changed by clicking in the main display area using the mouse scroll wheel or entering the frequency digits directly into the frequency control The Auto Scale button can be pressed or the A key to automatically place the spectrum display in viewing range Various signal views are possible by clicking on the desired TAB under the display area such as V Waterfall Combo etc Audio volume can be changed using the sound card slider control or just use your normal PC audio controls One can just start experimenting with all the controls or better yet browse through the next section to get an idea of all the functionality of the program Ver 3 13 2011 08 27 10 3 Program Details The following sections provide detailed explanations for all the various menus and program controls 3 1 Top Menu Bar 3 1 1 File Exit Load setup save setup File As save FFT to Excel File save screen Graphics File Print Print Setup PrintPreview 1 Spectravue ini 2 Weather ini 3 2 OMetersUSE ini 3 1 1 1 Load Save Setup These menu items allow the user to save all t
6. Print Setup PrintPreview 1 spectrayue ini 2 apectravue ini 3 OASYSO0 Spectayue ini 4 C Spectra vue ini 5 TwoMeterLocal ini Note SV keeps a short list of 5 most recently used ini files so one can quickly change from one to another Ver 3 13 2011 08 27 78 7 5 Modifying SDR IQ RS232 port to support Kenwood Radios This is a description of how to open up the SDR IQ case and modify the PC board to loop back the hardware handshaking lines so that Kenwood radios can be used Only someone confident in basic electronic assembly and soldering skills should attempt this modification The board can be damaged from ESD so must be handled by its edges or by the BNC connector to be safe 7 5 1 Remove Case Cover Carefully remove the eight black screws holding the case together Use the correct size Phillips screwdriver to prevent marring the black finish on the screws 7 5 2 Remove BNC Nut Remove the nut holding the BNC RF Connector A 9 16 Socket wrench turned by hand works well Ver 3 13 2011 08 27 79 7 5 3 Remove PCB Screws Remove the 10 screws holding the PCB to the case Carefully remove the PCB being careful not to touch any of the components or traces Holding by the BNC connector is good since it also grounds you to the board 7 5 4 Jumper DE9 Connector Place a blob of solder or a small piece of wire like a resistor lead across the two pins as shown BA IATA 7 5 5 Replace PCB and Case Replace the P
7. Wo WINS Proxy Enabled No Ethernet adapter Local Area Connection Connection specific DHS Suffix Description 2 Marvell Yukon 88E8S656 PCI E Gigabit Physical Address 4H 19 21 E4 28 82 Dhep Enabled fen el Meo Cede T BE P Address wow m 168 1 28 Subnet Mask ww we ee 255 255 8 Default Gateway a 2 w ow ew 0 168 1 1 DNS Servers ow ow ew ew le le M an 168 1 1 Ver 3 13 2011 08 27 66 6 1 1 Single Managed Network Below is the typical home single network consisting of a Router Switch DHCP Server that automatically assigns IP addresses to devices connected to the network The network can be wired and or wireless and may also connect to the Internet If your computer talks to the Internet and or other computers and you never had to assign an IP address or Subnet mask then this is probably the setup that you have NetSDR Router with DHCP Server With this configuration the default settings of the NetSDR and SDR IP will automaticall be discovered on the network and be assigned an IP address Spectravue should be able to find and connect to it wthout any further configuration 6 1 2 Single Manual Network Below is a single network where there is no DHCP server so the IP addresses for the PC and NetSDR must be assigned manually This method can also be used to just connect the NetSDR directly into your PC s Etherne
8. is enabled then when the program is first opened the SDR is started and the manual recording will also start without having to press the Record Button Stop F o Peuse F11 Start F1 2 Record P After the Record Button is pressed the data will be saved to the file until the Record button is pressed again the time limit expires or the Stop Button is pressed StopiF o Pause F11 Starttel 2 Rrecord P This mode allows one to quickly start and stop the wav file saving without having to stop the overall process Anew file is created each time the Record button is toggled allowing frequency changes to be made Automatic Timed Record Mode Record Timer Setup Center Frequency Stan Date LITE 09 037 2 start Time UTC 15 47 06 Record Length in Minutes J al Disk 0 2167 38 GB Select Wave File C Recordi way Cene The automatic timed record setup requires the user to select the center frequency the starting date and time in UTC as well as the run time in minutes and base file name Ver 3 13 2011 08 27 26 I Hz AAA wa Aa AM AT PE Tr I O AAAAAAAA I e AAA Aa Ana AP E Record Timer Setup Z E 5220000 Center Frequency Stan Time UTC 15 47 06 E E ies aurea Start Date UTC 09 03 12 A March 2009 sun Mon Tue ved Thu Fri 22 23 24 25 26 27 28 1 2 3 4 5 6 7 6 cay 10 11 E 13 14 15 16 17 18 19 20 21 1 22 23 24 25 26 27 28 29 30 31 1 2 3 4 Toda 274729
9. SU SDR xx Server V2 41 Mim Port SN Filter fo star USB SOAR IQ HYOOU8S Connected Stop Met Waiting For Connect Sp MoeAcer 132 168 1 40 Go to the Client PC and bring up SpectraVue and open the SDR xx Setup menu Click on the Network selec BEST Kall USB Update Firmware 56666665 Ref 1 0000000 RF Gain 4 D Sample Freg Hz Meas i 0000000 V Use Fixed Settings Calc C 10dB 10dB 6620 Digital Downconverter Settings C OdB 20dB 6620 IF Gain 5 Calibrated Screen CIC2 Rate 10 CIC2 Scale G 2408 CICS Rate ut CICS Scale 16 C 18dB ae Po C 12 dB 2 GN Code RCF Rate 2 RCF Scale 0 PARTS wal 256 Total Decimation 340 e Preamp Gain 2 06 dB haii Final Sample Rate 196078 jii Filter Bandwidth Network SDR IQ Setup Demod Dk IP Address 192 168 1 20 C 50 KHz ao an Port 50000 C 150 KHz 190 KHz Interface Selection Serial Number Filter Ver 3 13 2011 08 27 71 Now click the Find button which will bring up a new menu that should show the networked SDR xx device in a list box Select it and press OK The selected network parameters should automatically be filled in and exiting the SDR xx setup menu should start the connection SDR Select Device SDA IO Click on Desired Device and Press Select Button Refresh List SpectraVue should now be able to run the remote SDR xx as if it were directly connected to the PC Note Trying to connect over slo
10. The easiest way to adjust is to monitor OHz far left of spectrum while running and try up and down until a null is achieved It will change slowly then have a very sharp null so it is easy to overshoot The Aux input selects an alternate input path for future internal optional down converters The Network Setup menu is used to enter the SDR IP Network IP address and Port number These need to match the SDR IP being used which can be set read from the SDR IP front panel menus The Input Bandpass Menu selects allows selection of the various analog bandpass filters in the SDR IP If auto is selected then they are selected automatically depending on the center frequency Bypass mode bypasses all the bandpass filters the main 30MHz Low pass anti alias filter is still used The RF attenuator selects one of four attenuators in the RF input path The Calibrated Screen selection allows the fft screen to adjust for the selected attenuator settings and keep the signal level display constant regardless of attenuator setting The Trigger In Menu selects various modes that will Start Stop data capture using the hardware trigger input of the SDR IP Pos Neg Edge Sync Selects either edge to trigger a single block transfer of samples from the SDR IP that is specified in the FFT Blocksize menu on the main screen Low High Level Sync Selects a level to start and stop data capture The SDR IP will start sampling and continue to sample as long as the l
11. gt 4 SDR 14 must use PC RS232 Port 4 2 Elecraft K3 The following block diagram shows the basic setup for using the Elecraft K3 radio with the SDR xx and SpectraVue If the SDR 14 is used then the PC s serial port must be used otherwise the SDR xx s RS232 port can be used to control the radio from SpectraVue Elecraft IF Output SDR xx K3 N A RS232 Port SDR IQ USB Port PC RS232 Port Na ES A L PC RS232 Port SDR 14 must use PC RS232 Port 4 3 Yaesu FT 1000MP The following block diagram shows the basic setup for using the FT 1000MP radio with the SDR xx and SpectraVue If the SDR 14 is used then the PC s serial port must be used otherwise the SDR xx s RS232 port can be used to control the radio from SpectraVue There is no IF output on this radio so only the HF Tracking mode is supported Ver 3 13 2011 08 27 58 Splitter e T R Relay A amp SDR xx 4 a FT 1000MP o PM B USB Port PC A NS ooh RS232 Port PC RS232 Port j lt User must also add some sort of signal splitter and or T R relay when using the transceiver so as not to transmit RF power into the SDR xx 4 4 Yaesu FT 2000 with IF 2000 module The following block diagram shows the basic setup for using the FT 2000 receiver with the SDR xx and SpectraVue The RFSpace IF 2000 interf
12. 41 SZAN NWN NERA aa a a e a A talent 42 i OW WV AOI EN EAE E EN E EE EE A I EA E EE E A eee 42 AA CON DO a aa a a T T A A 43 EE og a SLE Laa A 44 O ee ee 44 e eet ner erent eee rere Oren mete reenter E E nee cen eee 45 LEET AVEA tata Ponce ecto a a o nedme atenie healed sonar adie sagan a 45 A e R 45 A o cucaccanbotsianciuen a aeauebace ees eseeesmenessnaeneaies 45 A E Po e TI O 45 SSV o O nate eee oac ravine cba le namanead e a eat henadeda tikes eh are 46 3 9 6 Manual Vertical Slider Conto l rarr diia ici lease heudeasi vie deaceuvareniadiSes santenaddedlveddalatelsdetetacshe 46 EA A A AA 47 A han tiddspacintis E 47 34 F legue CONTO Sai ai a dando ino 48 SA Malin Frequency CON Tolstoi tasca 48 3 42 Spall Frequency CONO atte retail 49 943 Frequency Lock BUON nica Ad cad 49 3 0 SlalU STO PAR AUS CONE CORTOS a 49 3 0 SONG Card AUGO CORTOS otitis 50 3 Demodulator CONOS ia id il dd aa 51 3 7 1 WFM Wide Band FM Broadcast Mode iii pacts sancttoie wsioesshcdvedscuald caneebacactelecactvandedetimdaiedidalek 53 Be On Memory COMMON A AA AA A a E T 54 SIS AUS Baloes aa e A E A E T eo 55 42 USING WIN External RACIOS sisa ida 56 ARAOR ARIO td a 57 A E OCAK A A 58 Ver 3 13 2011 08 27 3 Ad Y OS UE TUDO A A A A A A E TS 58 4 4 Yaesu FT 2000 witht 1F 2000 MOQUE 0 A ees ee eee aoe 59 4 9 lcom 1C RO900 16 R7000 1C R7 100 1G ROQOO a a a a a a E 60 4 6 Ten Tec Orion 2 with User IF tmoOdifiCation ccccccceccccsuccccneeescueese
13. Demod frequency marker in the main display turns green when locked to a stereo FM broadcast signal The soundcard is forced to stereo mode so dual demodulation cannot be used The SDR is stopped and must be restarted when changing to and from this mode Some stations contain digital RDS data and this is decoded and displayed at the top of the screen when in the 2D or Combo mode File Yiew InputDevice NetSDR Setup COutputsetup ExtRadio Setup General Setup Help The font and font size for the text is shared with the Marker3 Font and can be changed in the General Setup menu and clicking the Assign Display Colors button The RDS signals vary greatly between stations so may not decode very well due to strength or multipath Ver 3 13 2011 08 27 53 3 8 Memory Controls Clicking on the Memory Channels Button just to the right of the Span Frequency Control will pop up a menu with 20 memory channel buttons that can be independently programmed with center frequency and both demodulation channel parameters This pop up menu can be dragged around your desktop to get it out of the way of the main screen Memory Channels EE DbI Click to Recall Right Click to X 0rn ssb 0rn SS Ty 141688 MHz USB1 14 23 MHz USB MemLChane 40m ssb 146 02 MHz FRAT 2203 MHz CF MemChans MermChanl 3 10 KMHz CF 10 KHz CF Mem Chan MemChanl 4 10 KHz CF 10hiHz CF MemChans a MERC a 10 KHz CF AN Ire TA MemChanb MemChanl 6 10 kHz CF 10 MHz CF Me
14. File L Select OutFile CAFFTdata csv This mode is only available in the timed save mode Every N seconds the entire FFT data values are saved to a CSV format file The first row of comma separated data is the frequency of each FFT bin in Hz The second row is the amplitude information in dB for each FFT bin Its best to keep the FFT size as small as possible since Excel can get overwhelmed with large data arrays very quickly 3 1 4 7 Save Absolute FFT Data as 2 byte binary format file FFT Continuum File Saving o No Output File Saving Timed Saves f Screen Capture to File JPG PNG or BMP Format Timed Only I E Save Continuum Data to CSW Excel Format File 10 to 3600 seconds C Save Waterfall FFT Data as 1 byte pixel BMP Format File a Gaus e Lise Screen Resolution ee f Timestamped Files f save FET Date as Ls Excell Format rile limed Oni File Append Overwrite Save absolute FFT Data as 2 byte Custom Binary Format File l Select Out File CAFFTdata ft This menu specifies a custom 2 byte binary format file that will be written with the raw FFT data The File format is a 1024 byte header containing the following information Number data points per FFT 32 bit value Little Endean byte format FFT size 32 bit value Little Endean byte format FFT sample rate in Hz 32 bit value Little Endean byte format FFT center frequency 32 bit value Little Endean byte format The rema
15. Recording setup Right Click ta Edit Manual Recording Mode 30 min 10000000 Hz 2009 03 09 15 00 27 UTC e 16220000 Hz 2009 03 12 15 47 06 UTC 10000000 Hz 2009 03 09 15 00 27 UTC 10000000 Hz 2009 03 09 15 00 27 UTC Left clicking on the button will enable or disable the button which is indicated by a check mark on the button The button text indicates the center frequency and start time date setup of that button Right clicking on the button brings up the setup menu for that button Manual Record Mode Note that is Manual Record mode is enabled the automatic record buttons are disabled IS Timed Recording Setup Fight Click to Edit 10000000 Az 2009 03 09 16 00 39 UTE 16220000 He 2009 03 12 16 47 06 OUTE F 1000000D Az 2009 03 09 16 00 39 UTE 6699000 Hz 2009 03 25 15 47 31 UTE 1000000D Az 2009 03 09 16 00 39 UTE Ver 3 13 2011 08 27 25 Record Timer Setup Record Length in Minutes 30 E Disk 2 16 38 GB Select Wave File CA Record way Cancel The manual record mode only sets the file root name and the maximum recording time The disk space requirements are estimated based on the time limit and current file sample rate When the manual record mode is enabled a new control button will be visible next to the main Start Button as soon as the Start Button is pressed The data is not automatically saved to the manual wav file until the Record button is pressed If Auto Start
16. above 30MHz It is also not protected from voltage spikes and ESD events Ver 3 13 2011 08 27 14 If ch1 is used the preamp attenuator RF gain can be selected The Calibrated screen check box forces the display to remain calibrated regardless of RF gain setting If the red clipping light flashes on the SDR 14 use the Channel 1 RF Gain setting to add attenuation until the red light does not flash it is normal for a random flash to occur during normal operation due to transients on the antenna The External HW Sync should remain unchecked for normal operation of the SDR 14 When the USB Interface is selected one can enter a specific Serial Number in the edit box next to the USB selection and then the program will only connect to a radio with that particular serial number This is useful when multiple radios are plugged into the same PC If the Network Interface is selected the edit boxes for the desired IP and port addresses are used to specify the IP address and port This feature is an option and requires a separate USB to TCP IP Server application running to be able to use The Find button atempts to automatically find any networked radios and display a list to pick from The IP address and Port are automatically filled in when a device is selected SDR Select Device SDA 14 Serial Number EGOO0001 IP 192 166 1 103 Port 50005 Click on Desired Device and Press Select Button Refresh List Ver 3 13 2011 08 2
17. be created to store the program size and position for each instance When using USB connected radios like the SDR 14 and SDR IQ one can also specify in the SDR xx Setup menu the serial number of the device you wish to associate to each instance of SpectraVue This keeps a specific SDR associated to the settings of the SpectraVue instance otherwise it would randomly connect to the first radio it finds which is not always what you want Note Running multiple instances and multiple SDR xx s can use a lot of CPU time so a fast PC is required Ver 3 13 2011 08 27 T 7 4 Managing Frequency Memories There are 20 memory buttons in Spectravue that can be programmed with various frequencies and modes These memory channels are stored in the SpectraVue ini settings file If more memories are needed then the Setup ini file can be saved to a different name instead of the default spectravue ini file name This new file can then be recalled and load in a new set of memories Using this technique one can have as many memory groups as they want by saving to different ini file names For example one could save 20 memory channels for the 40m amateur band in a file called Ham40meter ini Then save 20 channels of public service band frequencies to a file called pubservice ini SpectraVue Version 3 00 File View InputDevice SDR 1 Exit Load Setup Save Setup File As Save FFT to Excel File Save Screen Graphics File Print
18. case SV STATUS OFFLINE m_StatusTxtCtrl SetWindowT ext Offline break case SV_STATUS _IDLE m_StatusTxtCtrl SetWindowT ext Idle break case SV STATUS PAUSED m_StatusTxtCtrl SetWindowT ext Paused break case SV STATUS RUNNING m_StatusTxtCtrl SetWindowT ext Running break Ver 3 13 2011 08 27 break case SVCMD_SET_CENTER_FREQ m_CrFreq Data break case SVCMD_SET_SPAN_FREQ m_SpanFreq Data break case SVCMD_DEMOD_0 FREQ m_DemodFreq0 Data break case SVCMD_DEMOD_1_FREQ m_DemodFreq1 Data break case SVCMD_DEMOD_MODE m_DemodGroup Data break return 0 8 1 2 Example Message Sending Example of sending a center frequency command to SpectraVue PostMessage HWND_ BROADCAST wm_SVMessage WPARAM SVCMD_SET_CENTER_FREQ m_CFreq 8 2 Available Command Definitions The following command definitions are available and a h include file is provided in the Spectravue installation containing the supported commands define SV REGISTERED MSG STRING SpectraVueExtMsg define SV_TO EXTERNAL 1 lt lt 31 bit OR d with SVCMD xxx to distinguish msgs coming from SV define SVCMD STATUS Fdefine SV STATUS OFFLINE define SV STATUS IDLE define SV STATUS PAUSED 2 define SV STATUS RUNNING define SVCMD SQUELCH define SVCMD START define SVCMD PAUSE define SVCMD STOP define SVCMD DEMOD STATE 0x48 define SV DEMOD OFF 0 define SV DEMOD ON 1 define SVCMD SET CEN
19. changes the operation of Spectravue from frequency domain display to time domain display This mode is a special mode for applications where power versus time is more useful than power versus frequency The Chirp Rate entry can be used to de chirp linear sweeping signals when used in conjunction with the SDR IP trigger input The Chirp Length in seconds specifies the duration of the chirp The FFT size becomes the capture buffer size and the main frequency control toggles between SDR xx center frequency and a time position control The Span control now is in time units instead of frequency Ver 3 13 2011 08 27 39 o M JNE CET 65536 FFT BLK Size opan To Im This mode is only useful with the SDR IP hardware which has hardware input sync capability 3 1 7 Help Help Help About Spectravue Debug Monitor Program help is this pdf format file About SpectraVue brings up program and SDR xx version information Debug Monitor brings up a 3 2 Plot Area 3 2 1 Raw Data This view is of the raw input data versus time lts purpose is to give the user a quick look at incoming data to verify its general amplitude There are no user controls to this display The amplitude is automatically scaled to fit the screen and the time axis is not calibrated but is a function of the sample rate and screen resolution If it is real data then there is only one trace Complex data is displayed as two different traces
20. filter with respect to the demodulation center frequency Demod Cv Offset Frequency This edit box provides a way to offset the filter and display frequency for receiving CW tones This is essentially the tone frequency that will be heard in the CW mode when the display frequency is exactly the same as the incoming signal This offset can also be used in the WUSB mode to shift the demodulated signal up in frequency before sending it out This can be used to output a 12KHz IF signal to the sound card for further decoding by a DRM Digital Radio Mondiale decoder If this offset value is gt 0 and is in the WUSB mode then the demodulator frequency display changes to a center value so the incoming signal is centered as opposed to being at the left side as is normal for USB signals For DRM reception set the offset to 2KHz and the low cut to OHz and the high cut to 20KHz This will center the DRM signal around the 12KHz IF frequency going out the soundcard or wave file Teor e000 2 00 100 E Clicking and dragging in the colored center section will shift the entire filter Clicking and dragging either the left or right arrow buttons will shift just the high or low cut off frequency The text above the slider represents the cut off frequencies and the overall filter width in the center Ver 3 13 2011 08 27 52 3 7 1 WFM Wide Band FM Broadcast Mode When WFM demodulation is selected the filter bandwidth is fixed at 200KHz and the
21. i pl d Raw Data 2D FFT SU FFT Y Vraterfall H vvaterall Continuum Phase 14289 796 KHz 57 17 dB 3 2 3 3D Plot The 3D FFT display shows the spectrum amplitude versus frequency plot of the incoming signal and then provides a running history in time of the FFT plot by shifting each past display up and to the right The center frequency and frequency span are set by the two main controls just below the FFT display area Amplitude in dB referenced to full scale is displayed on the left side of the display and frequency along the top The slider control on the right can be used to shift Ver 3 13 2011 08 27 41 the amplitude display up or down For better displays play with the amplitude offset bar on the right and also the FFT smoothing value as well as other 3D display options located in the General Setup Menu 14 212 14 214 14 216 14 218 14 22 14 222 ur r a aa a T a u mr i E Pina ora Fa E SS a a Br FAA l a A PA TN T E lr AA pm A P ad lt M on ras Y A AA an H CO A Tir p H F am ORT mata wal w 11 oa r r ait Sale i pe on ff arg See aE os aa get Pata Sates z i i A l hir ae ae 1 a A a ee Y p y Ee e aT 5 rs o ye Ha T a F o le ll dee ds n e re T A aw A q a A i j A ot AA Ke i a a t AA ge etn a ri eee oe mw oe i 7 Ta LE cal gt am e e 4 i Sa a EE TM oe OG ee ee ae oO a
22. imed Only C File Append Overwrite C Save absolute FFT Data as 2 byte Custom Binary Format File Select Out File Waterfall brp This menu specifies a 1 byte per pixel BMP graphics file of the waterfall display to be written If the Use Screen Resolution box is checked the image width will be the same as the screen pixel width This mode creates images that are the same size as the program screen for easy viewing and reduced file size If not checked the image width will be the number of the FFT points within the specified frequency span This mode can create very wide images depending on the FFT size and span but provides much greater detail than can be obtained on a CRT screen The graphics files are limited in size by the Output Size limit Many graphics programs are limited to how large an image can be displayed as well Keeping the file size below 100MB is probably a prudent step Ver 3 13 2011 08 27 28 3 1 4 6 Save FFT Data as CSV Excel Format File FFT Continuum File saving No Output File Saving Timed saves C Screen Capture to File JPG PNG or BMP Format Timed Only 10 i C Save Continuum Data to CS Excel Format File 10 to 3600 seconds C Save Waterfall FFT Data as 1 bytel pixel BMP Format File ines E Use Screen Resolution Timestamped Files Save FFT Data as CSV Excel Format File Timed Only File Append Overwrite Save absolute FFT Data as 2 byte Custom Binary Format
23. modes The file Spectravue ini file is saved each time program exits and saves the users current settings The spectravue pdf file is this help file which can be read using Acrobat Reader or similar programs 2 3 Installing USB Drivers The SDR IQ and SDR 14 are USB devices and require a driver to be loaded before they can be used The process is similar for each device Install Spectravue BEFORE plugging in an SDR xx device so that the drivers will be installed on your hard drive 2 3 1 SDR 14 USB Driver Connect the power supply to SDR 14 and connect the USB cable between one of your PC USB ports and the SDR 14 Your PC should recognize a new device being plugged in and pop up a driver installation menu Ver 3 13 2011 08 27 7 Found New Hardware Wizard Welcome to the Found New Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware Installation CO or on the Windows Update Web site with your permission Read our privacy policy Can Windows connectto Windows Update to search for software Yes this time only Yes now and every time connect a device Click Mest to continue Select No not this time to allow choosing the driver file location Found New Hardware Wizard This wizard helps you install software for SOR 14 USB Oriver lf your hardware came with an installation CD or floppy disk insert it now What do you want the wizard to do
24. the basic setup for using the Orion Il transceiver with the SDR xx and SpectraVue If the SDR 14 is used then the PC s serial port must be used otherwise the SDR xx s RS232 port can be used to control the radio from SpectraVue V requires User to modify radio To bring out the IF signal DN IF Output Orion ll gt SDR xx E s a AS eS A A el PC RS232 Port SDR IQ USB Port RS232 Port A A y PC RS232 Port gt 5 SDR 14 must use PC RS232 Port Ver 3 13 2011 08 27 60 4 7 Icom IC 756PRO with IF 2000 module The following block diagram shows the basic setup for using the IC 756PRO radio with the SDR xx and SpectraVue If the SDR 14 is used then the PC s serial port must be used otherwise the SDR xx s RS232 port can be used to control the radio from SpectraVue The RFSpace IF 2000 interface board is required to be installed in the IC 756PRO receiver This board converts the 64 455MHz IF of the IC 756PRO to 15 545Mhz that can be received by the SDR xx 80 0MHz LO requires RFSpace IF 2000 Interface Board to bring out the IF signal ye oe a Ba IC756PRO IF Output gt SDR xx IF 2000 a N Ps N 2 e A ae RS232 Port SDR IQ USB Port PC RS232 Port e ed A A PC RS232 Port SDR 14 must use PC RS232 Port Ver 3 13 2011 08 27 61 4 8 Kenwood TS 870 The following block diagram shows
25. the basic setup for using the TS 870 radio with the SDR xx and SpectraVue If the SDR 14 is used then the PC s serial port must be used otherwise the SDR xx s RS232 port can be used to control the radio from SpectraVue NOTE Some if not all Kenwood radios require that the hardware handshaking lines be connected Since the SDR IQ serial port does not have those lines one must tie pins 7 and 8 on the DE9 connector This can be done with a modified cable or one could open up the SDR IQ case and connect the pins on the SDR IQ board This should only be done by someone familiar with soldering and handling electronic equipment see instructions in Section 7 Hints and Tricks i N IF Output TS 870 gt SDR xx fo N A Pa A J RS232 Port SDR IQ Hise Por PC RS232 Port E y PC RS232 Port gt e a SDR 14 must use PC RS232 Port Ver 3 13 2011 08 27 62 4 9 Other Radios Other radios may be supported as they become available Some may require hardware modification to bring out the IF and the user is on their own when performing modifications 4 10 Custom The following block diagram shows the basic setup for using custom receiver with the SDR xx and SpectraVue This mode can be used if there is no RS232 control available such as in the case of a fixed down converter that for example converts 1296MHz to 21 7MHz IF SpectraVue can then display the correct input frequency as it tunes w
26. to lowest amplitude Ver 3 13 2011 08 27 3 This is a more accurate way of obtaining frequency and amplitude since the actual FFT value is used and not the screen accuracy The Exclude box allows the user to exclude a specified percentage of the total screen width around a previously found peak This keeps from finding all the peaks around a single jagged signal Allow Mouse Click Markers This box enables the display marker system that works in the following way 1 Right click on the spectral display near where you want to attach a marker A red triangle should attach to the FFT display The F3 to F8 keys can be used to position it exactly where you want F3 4 and 5 move it left while F6 7 and8 move it right at different rates The numeric value of the marker is shown in the upper left of the 2D display screen l l l Li L l l L L 2 Left click on another part of the waveform and the first red marker freezes at the last value of the spectrum and a new yellow marker attaches to the new FFT position It can also be moved with the function keys The numeric value of the delta between the two markers is now shown in the upper left of the 2D display screen Ba A E eee ee ae es O ey ee in LS 3 Right clicking again gets back to step 1 Right click again and the markers are turned off 3 1 6 17 3D Display Parameters JD Options A i JD ey Pixel Shift 1 100 4 3 1 N 3D Plot Scale 1 to 1 10 3
27. user to hide the bottom status bar and or force the program to always be on top of the desktop Ver 3 13 2011 08 27 11 View InputSource Status Bar Always Un top 3 1 3 Input Device This menu item allows the selection of a data input source Currently 6 sources are available Mets Soundtard Wave File SOR 14 SOR IO SOR IP phetsor 3 1 3 1 SoundCard In Setup The Input setup menu depends upon the input source selected gt o0undCard Input Setup x Soundcard C Media Wave Device FA Comp sample Hate 40000 Ska z z U beta 100 alpha Bw Limit 46000 Center Freq 14060000 i Stereo Complex R Ci L H 10 de H blo lodo ke delo 12h Ll dc sample Offset C eg C W Swap land Ofinvert spectrum cael _ The Soundcard can be selected with the pull down menu or one can use the default Windows soundcard The sample rate must be specified and can range from 5000 to 192000 SPS Many soundcards will not operate above 48000 SPS The bandwidth limit depends upon whether the Stereo Complex mode is chosen The maximum BW is the sample rate if Complex or 1 2 the sample rate it mono real data Ver 3 13 2011 08 27 12 The Center frequency is an offset that is applied to the display This is useful in applications where the soundcard is used to process base band l A inputs from complex mixers The Center frequency would be the mixer oscillator frequency The
28. with different colors The two numbers in the display area are the max and min values of the incoming signal The range of inputs is a 16 bit value or 0 to 32767 The DC offset is displayed to the left of the screen This may be of use for adjusting the soundcard DC offset input parameters Ver 3 13 2011 08 27 40 3 2 2 2D Plot The 2D FFT display shows the spectrum amplitude versus frequency plot of the incoming signal The center frequency and frequency span are set by the two main controls just below the FFT display area Amplitude in dB referenced to full scale is displayed on the left side of the display and frequency along the top The slider control on the right can be used to shift the amplitude display up or down FFT amplitude power is in dB referenced to full scale a single sine wave with an amplitude of 32767 or 16 bits This can be calibrated to dBm by entering a dB offset in the General Setup menu 142 1421 1422 1423 1424 1425 1426 1427 1428 1428 143 aR E E E A CAU LALA 150 SOCIO LE awe seme MOLE MENGI DAA 140 Raw Data 20 FFT 30 FFT Y Waterfall H vvatertall Continuum l An alternative 2D view is available by choosing the Color 2D Graph selection in the General Setup Menu This view adds color to the display in place of the internal scale markings The colors correspond to the Waterfall color palette 14217 14221 14225 14229 14233 14237 14241 14245 14249 14253 14257 55 59 f5 09 H5 Hal
29. 1 4 7Save Absolute FFT Data as 2 byte binary format file cc cccccceecessssssseesesaeaaeeeeeeeeeeeeeeeeeeeeeesesssssssseesseeeeecs 29 57h 4 SSoundeard Demod Output Seperate ec ocios 30 a EER ACI WOM shan sect ret Saeco ames ate tic as oy meee ane cae asic area eee ee decom A 30 SM Eee O 1 AA A teria Uneaten O 33 IA WA T ype esenea o a coated saad noite easiness aan aca 33 SD A O 33 IA Button A O nn eee ee eee 33 SAUS FM Cheek BI ds 34 SN o Ds AAA a a i a wi ol CORN Pei kal te it ooh a eee 34 371 6 6Color 2D Graphs 45 Se ease eee ee chi eee ees 34 Ver 3 13 2011 08 27 2 SN A 34 96 8 MOUSE Chek Reso ON nena a eau anua dts sp anaes snalan aia ab niu is aca soa A 35 9126 DIPEG Compression OU ai by sereia a 35 MOO WV AUST NAME AU esc cesarean da cialis cian tos ectaccubia A sa ead Sm gS SIRT E an aan 35 361 Aston Display C oloi als 35 IAG LS leet Waer Color Pale the Fean aa T daukaa ownavelaadawecaaiaiion isaseetanavendencats 36 S161 Select EL COmpems arto TUE is 36 LLAME Mod s A is 37 SOLO CUESOE MOd SiN E E A EA Sa 37 A A a A cessing Habe 37 ILeTD Display Paramete osnon sene a a SON on SNe caked ae oe a A 38 JLO Sent to E A e 39 AR A A A eee eee ene 39 LIS O A o o A 39 a O re ate eee 39 SN aC PURE Mode A nr ee One ee E ne ae eRe een enon 39 A A A ete rn eae 40 OR cad 0 E 21 os Ean Ee eee e 40 PaT SENAY A A E sates eceeen cee 40 A ae ane ene ae eee ee a ene eed ee a ee ee ee ee a nee ane 41 OO A T E SE E EA ET A EEE T san
30. 1 UTC 10000000 Hz 2009 10 06 18 15 21 UTC 10000000 Hz 2009 10 06 16 15 21 UTC 10000000 Hz 2009 10 06 16 15 21 UTC FFT Continuum File Saving Mo Output File Saving Timed Saves h 0 1 to 3600 Seconds e Timed Save OFF CC Timestamped Files File Append Overwrite Save Continuum Data to Co Excel Format File save Waterfall FFT Data as 1 byte pixel BMF Format File Y Use Screen Resolution save absolute FFT Data as byte Custom Binary Format File select Out File soundcard Demod Output setup Single Channel Demod e Outputto SoundCard E U Dual Channel Demod Mono Output Mon Demod Playback Gamidbi Dual Channel Demod Stereo Output Sound lard Realtek HO Audio output w conce 3 1 4 1 Wave File Capture Setup The top section of the menu contains wav file capture setup items fe RF Data to Wave File C Demod to Wave File File Sample Rate 00000 These two buttons select whether the raw RF data samples are saved to the wav file or if the demodulated audio samples are saved to the file The file sample rate is shown in the text box Ver 3 13 2011 08 27 Max File Size 700MBICD C Max File Size 2 1GB DWD C Max User Me E There are three selections that can be used to limit the individual wav file size to a maximum number of bytes This is useful so the files will fit on CD s or DVD s A user adjustable maximum can be set to break up the file sizes into custom sizes 4 Chain Multiple
31. 21 it will not be able to talk to the PC assuming a subnet mask of 255 255 255 0 6 1 2 1 PC Manual Address Setup On the PC side using Windows XP the manual address is set by navigating to the Internet Protocol TCP IP Properties page You can get there from Start Control Panel Network Connections and then selecting the network connection device that you wish to setup Right click on it and select Properties and select Internet Protocol TCP IP and then click on the Properties button You should now see a menu similar to this Internet Protocol TCP IP Properties lt F aen General You can get IF settings assigned automatically if your network supports this capability Othermize you need to ask pour network administrator for the appropriate IP settings 5 Obtain an IP address automatically IP address Subnet mask 255 255 255 Default gateway Ce Use the following ONS server addresses Preferred ONS server 305 152 37 23 Alternate ONS server 192 168 1 1 Make sure the Use the following IP address is selected and then enter your desired IP address and subnet mask values If you are not connecting to other networks like the Internet you can leave the Default Gateway blank The DNS server again is used for Internet connectivity and is not needed just to connect to the radio Ver 3 13 2011 08 27 68 Make sure the IP address is different from any other device you may have on y
32. 7 15 used The Firmware update button enables a menu to update the SDR 14 s internal firmware One opens the update hex file and presses Start to begin the firmware update The SDR 14 must be attached and powered up for this menu to be Device Firmware Update App Firmware Flash Size Ox40000 Chg Size Ox0 Flash Page 0100 Chg Page 0x0 Flash Sect Ox4000 Cfg Block 0x0 Open File SDRIG 101 hex Curent Boot Yersion Curent Firmware wersion 1 00 0 04 1 02 ASCP Version Device Serial Number SOR AIO 123456 Idle Ver 3 13 2011 08 27 16 3 1 3 4 SDR IQ Setup gt 5DR 10 Setup Update Firmware ESEB6657 Ret 0000000 RF Gain 4 D Sample Freg Hz Meas 1 ODO000 iv Use Fixed Settings Calc f 10dB 10d6 6620 Digital Downconverter Settings Cc Odg 20d6 6620 IF Gai TICA Rate 10 CIC2 Scale 5 la a Calibrated Screen CICS Rate 17 CCS Scale 16 18 de ue RCF Rate 2 RCF Scale 0 12 dB m GN Code 6 db ACE Taps 256 Total Decimation 340 Preamp Gain 2 06 de Final Sample Rate 196078 0 db Filter Bandwidth Network SDRAL Setup Demod Ok IF 4ddrezs 192 168 1 110 C 50 KHz aL Find Part 50001 e o Interface Selection 190 KHz USB Hvoo0es2 C Network Serial Number Filter This setup menu is used to set the main parameters of the SDR IQ hardware The A D Sample Frequency can be entered here Nominally it is 66 666 667Hz but this number can be change
33. CB back into the case and insert all 10 screws but do not tighten yet Next replace the BNC connector nut and tighten it Now one can go back and tighten all the 10 screws Double check to make sure all of them are tight Replace the top case and the 8 screws Ver 3 13 2011 08 27 80 8 External SpectraVue Control Messages Spectravue exposes a limited number of control items to 3 party programs using a registered message system 8 1 Registered Message The registered message string used is SpectraVueExtMsg define SV REGISTERED _MSG_STRING SpectraVueExtMsg In Microsoft C the following line is used to obtain a registered message value Registered window message for external process control const UINT wm_SVMessage RegisterWindowMessage T SV_ REGISTERED _MSG_STRING 8 1 1 Example Message Handler The following message handler macro can be defined ON REGISTERED MESSAGE wm_SVMessage OnSVMessage An example service routine for messages coming from SpectraVue Handler for registered window message wm_SVMessage which is posted to all top level windows in the system when communicating with an external process wParam contains the command and Param the data LRESULT CSVExtControlDlg OnSVMessage WPARAM Cmd LPARAM Data lf message is posted from this process do nothing if Cmd amp SV_TO_EXTERNAL return 0 Cmd amp SV_TO_ EXTERNAL get rid of msb flag switch Cmd case SVCMD_ STATUS switch Data
34. Files TimeStamp Filename FregStamp Filename Quality Write with Squelch These check boxes are used to specify various options in wav file saving Enabling Chain Multiple Files will cause SpectraVue to continue recording for the specified amount of time and break the files into multiple files automatically If it is not enabled SpectraVue will record until the maximum file size is reached and then stop Checking the Qualify with Squelch box will cause the data to be saved only when the squelch control is active This is useful for recording only when signals are present The TimeStamp Filename and FreqStamp Filename check boxes will enable modes to append to the base filename the center frequency and or the time date information For example suppose the base filename is MyFile wav and the center frequency is 1 234567MHz If only the Chain Multiple Files is checked the file names will be MyFile_nnn where nnn is just a sequence of numbers 000 to 999 If the FreqStamp is enabled the file names will be MyFile 1234567Hz_nnn wav If the TimeStamp is also enabled the file names will be MyFile 1234567Hz_YYYYMMDD_HHmmSS wav Where YYYY is the UTC year MM is the month 01 to 12 DD is the day of month 01 to 31 HH is the hour in 24 hr format mm is minutes 00 to 59 SS is seconds 00 to 59 3 1 4 2 Timed Recording menu The Timed recording menu section contains 6 buttons that control one manual record mode and 5 automatically time record modes Timed
35. ON Ver 3 13 2011 08 27 38 The 3D xy pixel shift edit boxes allow the user to specify how many screen pixels the 3D display will move every capture The screen moves left and up The 3D scale value allows the user to scale the individual FFT amplitudes within the 3D display 3 1 6 18 Right to Left Continuum Y Rightto Left Continuum The Right to Left Continuum allows changing the direction of the continuum scrolling 3 1 6 19 Auto Start Iw o Stark Selecting Auto Start will cause SpectraVue to try and start running automatically when first executed and the manual recording will start if it is enabled 3 1 6 20 Time Stamp Display Time Stamp Display bp Sec 0 AUTO The Time stamp Display box enables time stamping of the waterfall and continuum displays Adjust the color size and transparency of the time stamp font to give best viewing using the Assign display Colors menu The Spin control allows the user to specify the time in seconds between each time stamp or by setting the value to zero will automatically calculate a suitable update rate 3 1 6 21 FFT Max dB 45 FFT Cal Offset This edit box allows entering a value to calibrate the display read directly in dBm This value is added to the FFT values It typically is around 4dB for the direct input mode 3 1 6 22 Pulse Mode Setup Pulse Mode Setup gt Pulse Mode Enable Pur ws Time Chirp Rate 0 018378 MH2 Sec o 098 o Chirp Length Sec This check box
36. PEG Compression Quality The image quality of the jog compression can be adjusted One trades off quality for smaller files The larger the number the larger the file and better the quality PNG files are best used for all images except waterfalls The 2D graphs compress very well with PNG and there is no image quality loss 3 1 6 10 Waterfall Rate waterfall Rate 0 to 60 Secs update 0 The Display update rate edit box can be used to cause the display rate to be very slow to allow long waterfall or continuum captures The value is from O to 60 seconds between updates in 1 second steps 3 1 6 11 Assign Display Colors A submenu allows for changing various display item colors xi O FFT Colors BackGround ae Main as Peak ae Delta ws 30 FFT Colors BackGround y Kaun P y Peak eae y Continuum Colors Demod Colors Demod 1 E Demod 2 EI Grid Color MASK is BackGround ae Frequency Contrals Ie Male Digits MERA 8 Timestamp Font Size Ure nH ceno Ver 3 13 2011 08 27 35 3 1 6 12 Select Waterfall Color Palette File Select Waterfall Color Palette File Default pal A sub menu allows one to pick a different waterfall palette file for use with the waterfall displays pal files are used that are text files that contain a table with 256 rows representing power 1st row highest power Each row contains an R G B value each w
37. RD DBOffset AB offset due to attenuators is 100 dBOffset DWORD MaxVal lladded max abs for file normalization starting in version 3 05 DWORD Unused4 DWORD Unusedb JAUXINFO Ver 3 13 2011 08 27 63 The DWORDS are just 32bit values and SYSTEMTIME is 16 byte structure of seconds minutes etc typedef struct SYSTEMTIME WORD wYear WORD wMonth WORD wDayOfWeek WORD wDay WORD wHour WORD wMinute WORD wSecond WORD wMilliseconds SYSTEMTIME Here is a file dump in hex of the wav file header created by SpectraVue The 4 byte chunk size is highlighted in yellow The blue green is the 4 byte Center frequency 14 205MHz The red is the A D sample frequency 66666667Hz Blue is the first l Q 16 bit data sample In this case its 2 channels of 16 bit PCM data 22494646 12000000 04001000 03000400 00006461 DDFF3800 EGFF1600 f2ZCO00300 01000200 00006175 13000400 13000400 F3030000 FFFFO000 74610080 F3FFEGFF F4FF0400 RIFFr e WAVEFmt 21415645 66607420 EEFDOZ00 BSFTOBOO 18634400 00090907 09000800 09000900 000030E6 00000000 030091FF 4DOODSFF 26000500 0000D907 DO004SCO 02004103 00000000 DSFFSBFF SDFFE3FF BEFF6B00 5 2 FFT Absolute 2 byte Data fft File custom Format This is a raw binary format for saving the FFT data The first 1024 bytes of the file is a header whose first 16 bytes contain specific information about the file data All data is Little Endean binary format 4 bytes N
38. RO x5C_ IC 756PROII x64 IC 756PROIII x6E IC 7000 x08 IC 7100 x34 IC 8500 x4A IC 9000 x2A The Ext IF BW edit box allows the user to specify what the useable bandwidth of the radio IF This can be used to limit the IF to regions that are more flat or that do not contain as many spurious signals Keep Same Center Freq HE Tracking Mode These two selections select the mode of operation of the external radio setup Keep same Center Freq forces SpectraVue and the external radio to keep the same center frequency If not selected then the SDR xx can independently tune within the external radio s IF bandwidth HF Tracking Mode is used when a radio does not have an IF output so both the external radio and the SDR xx can tune the same frequency within the 0 to 30MHz HF band The SDR xx and external radio should both be connected to an HF antenna for this to work Y Mode Tracking If Mode Tracking is selected then SpectraVue attempts to track the demodulation mode of the external radio Only the basic modes that are common to both SpectraVue and the radio will be tracked If PTT Mute is selected then SpectraVue attempts to track the PTT state of some transceivers and mute the soundcard during transmit of the external radio Custom Radio Parameters Custom Inverted IF 10000000 Custom Ext Center FregiHz 1000000 Custom IF Center Preq Hz If the Custom radio is selected then an external radio t
39. Swap l Q button can swap the left and right channels that will invert the spectrum The I Q Comp section is used to adjust for DC offsets in the I Q channels By watching the Raw Data display center number is DC offset one can minimize the DC offset Adjust the offset to make the Green line closer to zero and the Q offset to make the red line closer to zero The affect of a DC offset is a large spur in the center of the 2D FFT display The alpha and beta controls can be used to compensate for any phase errors between the and Q channels The affect of a phase error is a reduction in sideband rejection A carrier will appear mirrored on the opposite side of the FFT display The Sample Offset is a gross adjustment in case a soundcard is off by a complete sample between the and Q channels One USB soundcard chip has a bug so that and Q are one sample time apart 3 1 3 2 Wave File In setup Wave File Input Setup 1 x Select File CA RecordO 146820000H2_20090305_233756 wav File Properties Pf2e415e samples SampleRate 196078Hz Complex Center 146020000 ADFreq 66666667 Bw 190000 InviF 10695500 Hz starting UTC 03 05 2009 23 37 56 M Invert Spectrum File Center Frequency Continuous Loop Playback 46520000 Hz 120 dE dB Offset 4 Allow File Chaining 3 Files Cc Record0 1 46620000Hz2 wary Cancel The Wave file input menu allows the user to specify the wave file path and also whether to invert t
40. TER FREQ 0x50 define SVCMD SET SPAN FREQ define SVCMD DEMOD 0 FREQ define SVCMD DEMOD 1 FREQ Ver 3 13 2011 08 27 0x10 Status values from SV 0 1 0x18 cmd Squelch State value to from SV 0x20 cmd to SV to start resume running 0x30 cmd to SV to pause running 0x40 cmd to SV to stop running cmd to from SV demodulation on and off cmd to from SV s center frequency 0x60 cmd to from SV s span frequency range 0x70 cmd to from SV s channel 0 demod frequency Ox71 cmd to from SV s channel 1 demod frequency 82 define SVCMD DEMOD MODE define define define define define define define SV_DEMOD AM 0 SV_DEMOD WBFM 1 SV_DEMOD FM 2 SV_DEMOD USB 3 SV_DEMOD LSB 4 SV_DEMOD CWU 5 SV_DEMOD CWL 6 define SV DEMOD DSB 7 define SV _DEMOD NFM 8 define SVCMD SET RFGAIN 0x90 define define define define define SVCMD SET define define define define define define define define define SV_RFGAIN 0 0 SV_RFGAIN M10 1 SV_RFGAIN M20 2 oe SV RFGAI IFGAI N M30 3 _IFGAIN 0x98 N 24 0 SV _IFGAIN 18 1 SV IFGAIN 12 2 SV_IFGAIN 6 3 SV_IFGAIN 0 4 SVCMD MAX AMP 0xA0 SVCMD MAX FREQ 0xA1 SVCMD REQ SETTINGS 0xA8 SVCMD MUTE 0xBO define SV MUTE OFF 0 define SV MUTE ON 1 Ver 3 13 2011 08 27 0x80 cmd to from SV s demod mode demod types cmd to from SV RF Gain setting cmd to from SV RF Gai
41. ace board is required to be installed in the FT 2000 receiver This board converts the 69 4515MHz IF of the FT 2000 to 10 5485Mhz that can be received by the SDR xx 80 0MHz LO If the SDR 14 is used then the PC s serial port must be used otherwise the SDR xx s RS232 port can be used to control the radio from SpectraVue requires RFSpace IF 2000 Interface Board to bring out the IF signal FT 2000 IF Output 1F 2000 gt SDR xx e e I A RS232 Port SDR IQ ptr PO RS232 Port A SDR 14 must use PC RS232 Port Ver 3 13 2011 08 27 99 4 5 Icom IC R8500 IC R7000 IC R7100 IC R9000 The following block diagram shows the basic setup for using the Icom IC R8500 7000 7100 9000 receiver series with the SDR xx and SpectraVue If the SDR 14 is used then the PC s serial port must be used otherwise the SDR xx s RS232 port can be used to control the radio from SpectraVue a a a IF Output gt IC R8500 gt SDR xx a a E se A A gt pC RS232 Port SDR IQ USB Port RS232 Port a A A y PC RS232 Port A SDR 14 must use PC RS232 Port Note some Icom CI V adapters are powered from the serial port DTR or RTS lines and will not work with the SDR IQ serial por so the computer s COM port should be used 4 6 Ten Tec Orion 2 with User IF modification The following block diagram shows
42. andwidth setups that can be chosen The 35 MHz real mode cannot be demodulated and is useful for viewing 35 MHz of spectrum The A D setup menu allows setting the dither and A D gain modes as well as adjusting the DC Offset of the A D The A D Offset adjustment can be used to null the spur at DC 0 Hz This will vary somewhat with temperature and also the PGA gain The easiest way to adjust is to monitor OHz far left of spectrum while running and try up and down until a null is achieved It will change slowly then have a very sharp null so it is easy to overshoot The Aux input selects an alternate input path for future internal optional down converters The Network Setup menu is used to enter the SDR IP Network IP address and Port number These need to match the SDR IP being used which can be set read from the SDR IP front panel menus The Input Bandpass Menu selects allows selection of the various analog bandpass filters in the SDR IP If auto is selected then they are selected automatically depending on the center frequency Bypass mode bypasses all the bandpass filters the main 30MHz Low pass anti alias filter is still used Ver 3 13 2011 08 27 22 The RF attenuator selects one of four attenuators in the RF input path The Calibrated Screen selection allows the fft screen to adjust for the selected attenuator settings and keep the signal level display constant regardless of attenuator setting To update the NetSDR ope
43. application running to be able The Find button atempts to automatically find any networked radios and display a list to pick from The IP address and Port are automatically filled in when a device is selected SDR Select Device SDA IG senal Number 123456 IP 132168 1 103 Port 50003 Click on Desired Device and Press Select Button Refresh List The Firmware update button enables a menu to update the SDR IQ s internal firmware One opens the update hex file and presses Start to begin the firmware update The SDR IQ must be attached and powered up for this menu to be used Device Firmware Update le App Firmware Flash Size 040000 Cfg Size 0x0 Flash Page 051 00 Chg Page 0x0 Flash Sect Oe4000 Cfg Block 0x0 Open File SORIA 101 hex Current Boot Yersion 1 02 ASCP Version Current Firmware Version Device Serial Number SORDO 123456 Ver 3 13 2011 08 27 1 00 0 04 18 3 1 3 5 SDR IP Setup SDR IP Setup Update Firmware 20000000 Ref 10000000 Cale Meas 680006 D A Dutput Mode 4 D Sample Freg Hz Off A D Setup Network Setup E AMD Track e Dither IPF Address C WCO Track Y PGA 192 168 1 102 C Noise Gen a 0 Offset Find Port 50007 SORAP Sample Rate Meal Trigger In Setup a KHz ar 30 KHz Input BP Filter Mode Neg Edge Sync es luto l Pos Edge Syne 200 KHz FOO KH2 AF Attenuator Low Level Syne S00 KHz O de High Level Sync 1 0 MHz 40 db e A Mute Low Leve
44. ar 100 Skips N updates 3 1 6 1 FFT Window Type The FFT window type can be selected Each of these windowing functions have different characteristics trading off frequency resolution and amplitude accuracy The Hanning window is a good all around window to use 3 1 6 2 Display Units The display units that are used for the display and frequency controls can be specified 3 1 6 3 L R Button Freq Change This check box selects between two methods of using the mouse buttons to change the frequency controls When checked the left mouse button increases the frequency and the right button decreases the frequency of the selected digit If the box in NOT checked then the digit frequency is increased by left clicking on the top part of the digit and decreased by left clicking on the bottom part of the digit Ver 3 13 2011 08 27 33 3 1 6 4 US FM Check Box Assign Display Colors US Fed iw This Selection is used to distinguish between US and Non US FM broadcast data formats when using the WFM demodulation mode 3 1 6 5 Squelched Display This enables a mode where the display is only updated when the squelch is open when using the demodulation modes Not only is the display frozen when the squelch closes but any FFT data file such as the bmp capture or binary data file is not written into when the squelch is closed Any wave file being written into is unaffected by this setting since they have an independent control for qualifying wit
45. box is selected then only one demodulator is used and is output to both Left and Right Speakers If the Dual Channel Demod Mono Output box is selected then both demodulators are used and combined into one mono audio stream to both Left and Right Speakers If the Dual Channel Demod Stereo Output box is selected then both demodulators are used and each demodulator audio stream is sent separately to the Left and Right Speakers 3 1 5 ExtRadioSetup This menu is used for external radio setup when a separate radio is used to extend the frequency range of the SDR xx or to use as a Panadapter External Radio Panadapter Setup Yaesu FT 2000 0 FT950 with IF2000 Select Ext Radio HF Tracking Mode SetTo Icom AOF Fised Downconverter Parameters 9600 select Bit Rate Radio 00 Defaults aj E T IF Offset Hz E xt IF EWiHzl Custom Ext Center FreqiH2 IF 10548500 Hz 1000000 M Mode Tracking Custom IF Center Freg H 2 PTT Mute Cancel SOR lt Select Serial Port E E Ver 3 13 2011 08 27 30 Yaesu FT 2000 04F T 350 with IF 000 Mone SOAR amp AS000 8600 Elecrar K3 Yaesu FT 1 000 P Yaesu FET 2000 D FT 950 with IF2000 lcom IC RS500 R 7x00 R 9200 Ten T ec Orion SPH IF lcom IC 756PRO0 15 545kmHH21F sl Kenwood TS 850 870 950 20 SA2000 20 RA_ONE DZK SIENNA Aes FT P S Several radios are directly supported that allow communication between SpectraVue and the rad
46. cocccocnccocnococnononnonoconoonnnonononanonnnonnnnnnanonnns 79 FIN Remove Case COVO noranahi E ed a a 79 75 2 Remove BNG NULA ld to do 79 4 03 REMOVO POB oc WS e atlas dd 80 04 Jumper DES COANE COM td Dio Oar ae 80 75 5 Replace PB Case czas sar ld oid ata tes 80 8 External SpectraVue Control MessagesS ooocccocccccccocococncoconoronnnconnnnncnnnn ron narran nera nr rnnn arena nrrnnnnrrrnnrranrnarranenarennnns 81 Oz hs ROO STO ra MOS SITO a ata es 81 9 1 1 Example Message Hanale ai A a dr a EA ad 81 8 1 2 Example Message Send iio 82 8 2 Available Command DAS A ac 82 Ver 3 13 2011 08 27 4 1 Introduction SpectraVue is a Windows based program that takes digitized signal data from a variety of sources and displays the frequency domain spectrum on the PC screen It can also be used to demodulate various signals and output them to a soundcard or wave file The input data can come from a soundcard a RIFF wav file or from special RF input capturing devices such as the SDR 14 or SDR IQ www rfspace com A few possible uses General signal frequency domain analysis of spectra Radio Astronomy applications where very weak wide bandwidth signals can be viewed with up to 30MHz bandwidth and a 254 Hz bandwidth resolution SDR 14 SDR IP only Demodulating various signals and viewing signal activity over a 190KHz bandwidth in real time 2MHz for SDR IP Storing and playing back sampled data for later analysis or demodulation Panadapter connect
47. crement it This mode selected in General Setup Menu Use Left and Right mouse buttons to inc dec digit This mode selected in General Setup Menu Use the mouse scroll wheel to increment decrement the digit value Use the up or down arrows to increment or decrement that digit value and zero all following digits Use the Page Up or Page Down keys to increment or decrement just the selected digit and not the entire frequency value digit value does not roll over to adjacent digits Click the left mouse button within the display area on the frequency you wish to center lf the mouse cursor is in the display area then the mouse scroll wheel will increment or decrement the frequency in step sizes specified in the General Setup Menu A USB Power Mate knob from Griffin Technologies can be mapped to the following keys http www griffintechnology com CTRL F1 digit decrement Rotate Left CTRL F2 digit increment Rotate Right CTRL F3 move digit position left Push and Rotate Left CTRL F4 move digit position right Push and Rotate Right CTRL F5 Toggle frequency control between center and demod function Actually a double click operation is required Ver 3 13 2011 08 27 48 The Center frequency control has a dual function when running the program in the demodulation HF Tracking or Pulse mode This button sets the function of the control to either the normal center frequency control or it can be used to set
48. d to the actual oscillator frequency if more accurate frequency measurements are desired There are 7 fixed bandwidth setups that can be chosen Note that for demodulation only the 50KHz to 190KHz bandwidths can be used Some PC s may not be able to use the 190KHz mode as it pushes the USB bus to the limit The AD6620 settings area of the screen displays the current AD6620 decimation rates and filter sizes The AD6620 IF gain can be selected from 0 to 24dB in 6dB steps This value is best kept at 24dB unless very strong signals are being analyzed and the SDR IQ is being overloaded The RF Gain selection allows using fixed 10dB step settings or one can enter a variable value for the preamp A separate 10dB fixed attenuator can be activated along with the variable gain preamp Note that high gain preamp settings will not improve the receiver noise figure above a certain level but will just raise the noise floor and reduce the dynamic range When the USB Interface is selected one can enter a specific Serial Number in the edit box next to the USB selection and then the program will only connect to a radio with that particular serial number This is useful when multiple radios are plugged into the same PC Ver 3 13 2011 08 27 17 to use If the Network Interface is selected the edit boxes for the desired IP and port addresses are used to specify the IP address and port This feature is an option and requires a separate USB to TCP IP Server
49. ea na E ie aa a aa A ell di ia PAR AA oea AAA AA AS E a i ay uit n ee 7 ALE EN a ia la my a PL Ss 3 _ a A e ARES NA eA RA gt 252 A a pa te Pari M E MA e a OA E rad ast E A a 7 E a E TEA La PROA LA T ae poe J rE e RA Y i fe ot an oo SE a do 0 A O AA A Raw Data DFFT 30FFT Waterfall H vvaterfall Continuum 3 2 4 V Waterfall The vertical waterfall FFT display shows the spectrum amplitude as a color instead of as a height on the display Frequency is the horizontal axis and time is the vertical axis The center frequency and frequency span are set by the two main controls just below the FFT display area Amplitude in dB referenced to full scale is displayed on the left side as a color scale The slider control on the right can be used to shift the amplitude display up or down in large increments and the spin control on the lower left side of the display can be used to make small shifts in the color amplitude map An optional time stamp feature can be invoked from the General Setup Menu to mark the UTC time as the display scrolls down 14 1401 1402 1403 1404 1405 1408 1407 14 08 1408 141 65 0 4 11 2003 0 29 34 as M 95 EEA 0 29 33 n 105 1 A H E F 2003 02937 125 20039 0 29 30 4111 2003 0 29 l Offset Raw Data 2D FFT 3D FFT y Waterfall H Waterfall Continuum 3 2 5 H Waterfall The horizontal waterfall FFT display shows the spectrum ampli
50. ecked then the actual filter shape is displayed on the 2D FFT display The Hi and Low cutoffs are the 6dB points of the filters Demodulation 5etup Filter Designer Low Cutoff Frequency wit High Cutoff Frequency 10 Hz 23700 Hz 2900 Hz Show Filter Response Demod CW Offset Frequency Noise Blanker Pen 0 Hz On Threshold peri AGC DecapHang 500 mS Use Hang AGC Knee A 94 dB w AGC On AGC can be turned off and then the slider controls the signal gain Be careful with this as a strong signal will overdrive the soundcard and cause quite a racket The AGC Knee threshold sets the signal level at which the AGC begins to operate This allows reducing the background noise when stron signals are present While listening to the desired signal move the control to a point where the background hiss is reduced while the desired signal is still heard The Hang checkbox enables a fixed hang time instead of an exponential decay Ver 3 13 2011 08 27 91 ei Pr A i 111H SA Re If the high cut off is greater than 3600Hz then a higher sample rate is used in the filters This causes a jump in the shape of filters about this transition point The higher cutoff filters are not as sharp as the narrower ones A custom slider control below the demodulation mode section can be used to adjust the current demodulator filter settings by using the mouse to move the low cutoff high cutoff or move the entire
51. ed from the General setup menu by selecting the Max Memory Display check box Time stamping and Cursor Markers can also be enabled from the General Setup Menu for this scrolling display 8U Raw Data 2D Plot 3D Plot V Waterfall HWatertall Combo Continuum Phase FFT amplitude power is in dB referenced to full scale a single sine wave with an amplitude of 32767 or 16 bits This can be calibrated to say dBm by entering a dB offset in the FFT Setup menu 3 2 8 Phase The Phase display mode displays the and Q data points in an x y axis plot 512 points are plotted at a time The signal strength must be fairly strong to give interesting results and also as narrow a bandwidth so multiple signals don t confuse the display It is not phase locked so will rotate unless manually stabilized faterfall H Waterfall Continuum Phase Ver 3 13 2011 08 27 44 3 3 FFT Controls 3 3 1 FFT Ave The FFT average control is used to specify an averaging function that is applied to the FFTs This is a point by point running average up until the number of samples reaches the specified average limit then it becomes a low pass filter with a time constant approximately equal to the averaging value YTY m i FFT Ave This function is useful in averaging out noise and allowing a signal to be more easily viewed in a noisy background The down side is that fast moving signals will become blurred The current average
52. ed to IF of wideband general coverage receivers Unattended timed recording of spectra based on date time and frequency 1 1 Block Diagram rs Display FFT gt Parameters 2D SDR xx y pl III lt USB gt FFT Waterfall Display Sound Card ee Continuum Network gt Demod Display Parameters Phase Display Demodulation T RIFF Wave File Sound Card SpectraVue takes as input sources a variety of SDR xx Software Defined Receivers from RFSpace A PC Sound Card or RIFF wav file The FFT Fast Fourier Transform is a math transform that converts the time domain data input samples into frequency domain data that is used for various display modes that show signal power versus frequency i Ver 3 13 2011 08 27 5 SpectraVue can also perform simple demodulation operations and output the audio to the sound card or a wav file The raw sample data from the input device can also be saved to a RIFF wav file for later playback and analysis 1 2 Functionality Basic program functionality includes the following features FFT analysis using 2048 to 2M point FFT s real or complex FFT amplitude resolutions from 10dB to 01dB per division FFT amplitude power is in dBfs referenced to full scale a single sine wave with an amplitude of 32767 or 16 bits Various FFT data view modes including waterfalls and 2D and 3D plots Display markers for accurate amplitude
53. eeeessueeesseeessueessseeessaeessaeeessneeeaesaeesiessnenaes 60 4 7 Icom IC 756PRO with IF 2000 MOQUIE ccooccccocnococnccoconocccnoncnncoononncnnnnnnonannonannonannononnnannnnannonannonnnnannnnans 61 A cen aads tule ees see wetecees aa E eee eee tte 62 4 9 Other RATOS eieo eeni EAE ENE REUE T AET AEE EENE ETENEE AEE A 63 A OCU SON a a E E O O E ETE 63 5 Timed Recording Formats iii a 63 Oe ike WAV FE CUSTOM I OMNAL eai A E o EE 63 5 2 FFT Absolute 2 byte Data fft File custom ForMal oooooccccoonccoocnnonoconcnonononononononononanononoronnnrnnnnnrnnnnnnnnnnnnnnaninonanons 64 9 95 GONTAUUNT CS VERONA A res iai 64 5 4 FFT Data Excel Comma separated csv custom FOrMal occcooccncccnncocnononnononnoncnnnonnnnonnononnononnonnnnnonnnnnnnonnnnnninnnons 65 0 NetWork OPIO a eee aces 66 6 1 SDR IP and NotSDR NOTWOFK Operation 000001 A io 66 6 1 Single Managed NetWork coo id tia 67 6 1 2 Single Manual NEIWOTK Arenean A ados 67 AZ VPC Manta l Address UD A A A e 68 6 1 2 2Neto DRSDR IP Manual Adri A ee 69 6 2 S9DRIQ9 and SDR 14 Network OD Ora A A A A AS 70 TANS and INU AS ia ooo ease tae 73 71 FIEQUuency Callbraton sa diassede ne iveeitiunbs ida 13 A O 6 gz 0 g Deemer meen Sere ne mre Caer ee en reer eee Oe te ee ee ee amr re Sey ce eC ene meee ae ne ee 177 73 Multiple Spectra Vue TAS TANCOS lt A A a ee ole ee 17 1 4 Managing Frequency MONOS ES 78 7 5 Modifying SDR IQ RS232 port to support Kenwood RAd OsS oocco
54. enever the center frequency is changed significantly 3 3 8 Smoothing This control is located in the General Setup Menu not on the main screen lp Smoothing The smoothing function averages FFT bins within the same sample data block This function is useful for wide bandwidth signals such as GPS and smooths the overall shape of a wide signal Note this is very CPU intensive so should be used sparingly No smoothing Ver 3 13 2011 08 27 47 3 4 Frequency Controls 3 4 1 Main Frequency Control The center frequency control is used to specify the display center frequency This value and the frequency span value determine the FFT display s range and position within the FFT If the SDR xx is used as an input source this frequency is also the NCO frequency that corresponds to the zero frequency of the complex FFT The frequency units can be specified in the General Setup menu The frequency control can be set in several ways Place the mouse cursor on the digit you wish to change or press one of the arrow keys The digit background will change color Use the mouse or left or right arrow keys to change digit positions within the control Type the desired numeric digit using the keyboard The selected digit will move to the right so that an entire frequency value can simply be entered from the keyboard Click the mouse on the top of the selected digit to increment that digit value or on the bottom of the digit to de
55. evel is high or low on the Trigger Input line Mute High Low This selection will cause the SDR IP to send zero valued samples while the Trigger Input is High or Low essentially muting the data output The Trigger Output Menu selects various modes that can be output from the Trigger output of the SDR IP Run State Outputs a high level while the SDR IP is sampling data Is synchronous to the Trigger Input and can be used to accurately know when the A D starts sampling Run Toggle Trigger Output toggles every 32768 output samples Sample Rate Outputs a square wave at the SDR IP output sample rate The Firmware update button enables a menu to update the SDR IP s internal firmware The SDR IP must be attached and powered up for this menu to be used Ver 3 13 2011 08 27 20 To update the SDR IP operational code first select the App Firmware checkbox then Open the updatexx hex file and presses Start to begin the firmware update Make sure you select the correct hex file for your particular radio To update the SDR IP FPGA configuration first select the FPGA Cfg1 or Cfg2 checkbox then Open the updatexx bit file and presses Start to begin the fpga update Make sure you select the correct bit file for your particular radio The SDR IP can hold two different configurations that can be selected from the front panel or via software Device Firmware Update App Firmware C FPGA4 Ctd FPGA Cfg Flash Size 040000 Cf
56. f 500Hz Press Start and adjust the screen to allow easy viewing of the 10MHz peak Note the little red mark on the peak and its corresponding marker frequency of 9 9999979Mhz in the status bar This is the measured frequency of WWV and shows that the program is off by about 3Hz Remember the program can only measure frequency as accurately as the FFT BW resolution so make sure you use a large enough FFT to get within 1 Hz or so The example shows a 85Hz RBW so is ok S5pectraWue Version 3 00 SpectraVue ini TX File View InputDevice SDR 14 Setup Cutputsetuip ExtRadio Setup general Setup Help d889 5 889350 3933465 4999 40 4999 93 10000 00 10000 09 10000 10 10000 15 10000 20 10000 25 Raw Data 20 Plot 30 Plot V Waterfall H vWaterfall Combo Continuum Phase Center Frequency Ins Mino Auto Scale Al O E e5536 LA BLK Size el Memorii 10 dB Diw Y Scale EEN E NB OR opero EE comer ec Feak A Nal Mute Sound Card volume spacebar _ 1m Paused 5 4 Stop or pause the capturing and open the SDR xx Setup menu Notice the measured frequency has been automatically placed in the box if you had peak markers checked and it was marking the correct reference peak One can manually enter the Reference and Meas frequencies if not using a 10MHz reference a Apr 2009 120718 UTC SDR 14 Setup ey CrSeragle FregiHz Update Firmware O sine Ref 10000000 F 666666 9999979 aL Extemal Hw Sync Before ca
57. frequency measurement A continuum display for measuring spectral power over the entire span and or the peak power within the span Frequency Spans from 5KHz to 30MHz in various step sizes Using SDR xx unit Signal demodulation of AM SAM FM WFM USB LSB narrow CW modes when using the 50 to 190KHz Frequency Span and SDR xx unit 32KHz to 2MHz for SDR IP Up to two separate demodulation channels can be active simultaneously Programmable demodulation filters Timed Saving and playback of captured spectrum using RIFF wav files Chaining of recording files both on saving and playback IF Panadapter mode that allows external radios to be used in front of the SDR xx and maintain display frequency synchronization A variety of file saving options ranging from saving the raw data to saving demodulated audio to saving various waterfall displays using PNG or JPEG graphics file formats Network Client for remote SDR xx operation 20 memory channels for quick save and restore of basic program settings Ver 3 13 2011 08 27 6 2 Getting Started 2 1 Installing SpectraVue 2 2 Minimum System Requirements In order to utilize all the features of SpectraVue a 2GHz Pentium or better with 256M of memory is required Slower PCs can still be used if one is willing to accept slower displays and give up the real time demodulation features Windows XP or Win2K or Vista and later versions probably will work but have not been tested The graph
58. g Size 0100000 Flash Fage 0x100 Cfg Page 0x100 Flash Sect 04000 Cfg Block Ox50000 SORIP A mare 05 hex Current Boot wersion Current Firmware Yersion 1 05 45 CP Version Device Serial Number SBRAP IPo00040 Idle E mit Ver 3 13 2011 08 27 21 3 1 3 6 NetSDR Setup NetSDR Setup Update Firmware 20000000 Ret i ODOOO0 Calc A D Sample Freg Hz Meas 10000000 Options 10MHz Ref Lock A D Setup Down Converter 96 000000 MHz Wf Dither 110 000000 MHz V PGA Ez Offset MED Bandwidth BEE 10 KHz 50 KHz 100 KHz Input BF Filter Mode 200 KHz Ato 350 KHz AF Attenuator ADO EHZ O dE a 3200 KHz 1 0 MHz 10 dB 1 3 MHz 16 Bit Only f 2 dB E L Use 2 Receiver i m p pi a m de A m A 1 6 MHz 16 Bit Only 30 dB 35 MHzlreal mode Use 16 Bit for All Calibrated Screen Network Setup IP Address 132 168 1 158 Find Port 50000 Trigger In Setup Or Neg Edge Sync Pos Edge Syne Low Level Sync High Level Sync Trigger Output Mode Off C Run State C Run Toggle C Sample Rate FPGA Contig 4 ID 1 Rev 4 Std FPGA Config 40 000000 Decimation Sample Rate This setup menu is used to set the main parameters of the NetSDR hardware The A D Sample Frequency can be entered here Nominally it is 80 000 000Hz but this number can be changed to the actual oscillator frequency if more accurate frequency measurements are desired There are 11 fixed b
59. g graphics formats are supported In general the png works best for everything except the waterfall displays where the jpg works best Ver 3 13 2011 08 27 21 3 1 4 4 Save Continuum Data as CSV Excel Format File FFT Continuum File saving C No Output File Saving Timed saves screen Capture to File JPG PAG or BMP Format imed Only 10 Save Continuum Data to CS Excel Format File 10 to 3600 Seconds C Save Waterfall FFT Data as 1 byte pixel BMF Format File Timed Save OFF M Use Screen Resolution O Save EAT Data as Esv Excel Format Rilehimed Only C Save absolute FFT Data as 2 byte Custom Binary Format File Select Out File CA ontinuum cs C Timestamped Files C File Append Overwrite This menu specifies a comma separated file that will be written with time stamp information average continuum data and peak continuum data The following is an example of the data format 12 02 2003 17 23 01 108 132 63 530954 12 02 2003 17 23 06 108 457 75 24949 12 02 2003 17 23 11 108 143 69 852774 3 1 4 5 Save Waterfall Data as 1 byte pixel BMP Format File FFT Continuum File saving C No Output File Saving Timed Saves f Screen Capture to File JPG PNG or BMP Format Mimed Onl fio 10 C Save Continuum Data to CSW Excel Format File 10 to 3600 Seconds Save Waterfall FFT Data as 1 byte pixel BMP Format File a Timer Seve rss E Lee Sates esco C Timestamped Files Save EAI Data as Ls y Excel Format Fileg
60. h the squelch control 3 1 6 6 Color 2D Graph Selecting this feature changes the 2D FFT display mode so that the graticule is replaced by a graduated color scheme where the 2D display changes color with amplitude using the same palette as the waterfall display 00 FO We Os i U4 alla 06 DAF Raw Data 2D Plot 3D Plot V Waterfall H Waterfall Combo Continuum F 3 1 6 7 Display Speed Display Speed FFT Overlap 0 Au Skips H updates 0 N FIR The Skip N Updates mode forces the program to skip display updates in order to reduce computational load on the processor As the number of N grows larger the more updates that are skipped by the display A value of zero runs the display at full speed The FFT overlap mode can be used at slow sample rates to increase the apparent screen update rate by overlapping the FFT calculation in 2048 sample chunks This will make the display update faster with the downside of adding some smearing to the waterfall Only sample rates lt 100KHz are supported since this is a CPU intensive task Also the FFT size must be greater than 2048 in order to overlap Ver 3 13 2011 08 27 34 3 1 6 8 Mouse Click Resolution Mouse Click Resolution C 20 KHz C 500 Hz C 10KHz te 100 Hz C KHz C 10 Hz C SKHz mui C 1KHz co War This group of menu items allows the selection of how to round off the frequency when using the mouse to click close to a signal on the display 3 1 6 9 J
61. hat does not have frequency controlling capability such as a homebrew radio or fixed frequency down converter can be setup using these Custom parameters The IF center frequency and associated input frequency and inverted spectrum status can be set Ver 3 13 2011 08 27 32 3 1 6 General Setup The General Setup Menu is a catch all menu for a variety of program settings General Program Setup FFT Window Type fa JPEG Compression Quality 10 to 10 Assign Display Colors C Rectangle C Hamming Waterfall Rate O to 60 Secs update o LIS FM C Flat Top Select Waterfall Color Palette File Thermal pal Blackman Use Comp 7 _ Select FFT Compensation File Filter 00 ff C Blackman Harriz ae Display Units Memory Modes Cursor Mode ption ka Y j e i i C Hz Sec Memory Display OFF CAE ONDER 3D sy Pixel Shift 1 1 00 4 3 Was hi Displ CO Cursor sr C KH2 mec ax Memory Display p Plat e MHz us ec Delta lemor Display AS 17N 3D Plot Scalefi ta 1 1 ol 3 M a GHz usec Ma Ato Start MHz km Display Peak Markers EN i Right to Left Continuum LAA Button Freg Chan Be a Exclude z Time Stamp Display Sguelched Display 0 Sec O 4UT0 Color 20 Graph Pulse Mode Setup Mouse Click Resolution Display Speed isplay Spee C 20KHe mo Pulse Mode Enable Pur ve Time 45 FFT Overlap C 10KHz 100Hz omes ie ieie FFT Cal Offset T C 9KH2 C 10H MH2 Sec C 5KH C 1H 1 Chirp Lenath Sec f 1 KHz C W
62. he SDR IP has a user front panel and display and one can set the above parameters using the knobs on the front The SDRNetSetup utility is still probably faster to use if it is available 6 2 SDR IQ and SDR 14 Network Operation The SDR 14 IQ can be interfaced to SpectraVue over a network By running a server utility program SDRxxServer on a remote PC and SpectraVue on another or same PC one can access the SDR 14 IQ over a wired or wireless network connection Note the SDR IP and NetSDR connect natively over an Ethernet network so the Server application is not needed Ver 3 13 2011 08 27 70 SDR xxServer Setup Steps Make sure that the client and server PCs are correctly connected to a network Both should have IP addresses assigned to them and be able to talk to each other over the network SpectraVue should be installed on the remote PC even though it may not be used since the USB drivers are required by the SDRxx server application On the remote PC run the utility program SDRxxServer exe that should be installed in the main SpectraVue folder It is also available separately on the www moetronix com web pages Si SDR xx Server V2 41 cil L ONIX LJ Pot 50000 SN Filter Start USB SOAR Mot Connected Net Server Paused Moedcer 192 168 1 20 Connect the SDR xx USB cable to the remote PC and apply power to the SDR xx if required The server should connect to the SDR xx and the following status should result
63. he program setup information into an ini file that can be uniquely named and loaded into the program later to restore the particular settings saved in the file This allows the user to create a library of various custom setups that can then be quickly loaded without having to setup all the various options again The most recently used file list can be clicked on to recall the last several ini files that have been used Note that the file Spectravue ini is the primary file for saving your settings when exiting the program and will be overwritten each time the program is exited It is loaded automatically when the program is first executed 3 1 1 2 Save FFT to Excel File This menu item allows the current raw FFT data to be saved to a comma separated file that can be imported into a spreadsheet for further analysis or graphing The file contains 2 columns The first column is the frequency in Hz and the second is the amplitude in dB relative to full scale This only saves one FFT block of data that was the last one captured 3 1 1 3 Save Screen Graphics File This menu item allows the current screen to be saved to a graphics file The format can be png bmp or jpg 3 1 1 4 Print Print Setup Print Preview These menu items are used to invoke the Windows printer functions The current screen can be printed out One must stop or pause the capturing process before printing or the screen may not print as expected 3 1 2 View The view menu allows the
64. he spectrum or play the file back in a continuous loop Depending on the file several parameters are displayed along with the name The first line shows the file size in samples the file sample rate and whether the data is real or complex The second line may show the captured data center frequency the A D frequency and display bandwidth if the SDR xx was used to generate the wave file The third line may show the capture starting time if the file was created with SpectraVue This is used to show the original UTC time when playing back wave files Note that if a capture was paused or the center frequency changed during creation then the file data will not be correct for the entire file Allow File Chaining will allow multiple wav files to be played in sequence automatically with the same base file name Wave files created with a program other than SpectraVue will not contain some of the above information Ver 3 13 2011 08 27 13 3 1 3 3 SDR 14 Setup This setup menu is used to set the main parameters of the SDR 14 hardware SDR 14 Setup Update oH A D Sample FreqlH z Fef 10000000 RF Input Source E6E55667 Meas 10000000 C Direct Inputich 0 External HW Sync Cale 0 30 MHz ch 1 6620 Digittal Downcorwerter Settings CIC2 Rate 10 CIC Scale 5 6620 IF Gain Ch 1 RAF Gain 24 dE Ode C 20d CIC5 Rate 17 CIC5Seae 16 p 6 dB HG dB Odg 10dB 30 dB ACF Rate 2 REF Scale 0 12 dB Calibrated Scree
65. hen only the demodulation mode and filter setups are saved not the frequencies or attenuator setting This allows the user to setup custom modes and filter settings as a memory channel and not change the frequencies when the memory is activated An example might be to setup a memory channel for DRM decoding To recall and activate a previously setup memory channel just double left click on the desired channel button to load SpectraVue s center frequency span frequency and demodulation settings into SpectraVue s controls Pressing the M key will also pop up this menu Pressing the Esc key will remove the memory button menu Note that other setup items such as FFT setup SDR xx settings screen settings are NOT saved in the memory channels so must be manually adjusted The memory channel data is stored in the Spectravue ini settings file upon program exit and automatically loaded when the program is invoked again The ini file can also be saved and loaded using different names using the File menu This can allow essentially an infinite number of setups and memory channel groups to be created An example might be a separate ini file for AM broadcast stations another for the 20meter CW band and maybe another for VHF channels when using an external IF radio such as the AR5000 tuned to the VHF band 3 9 Status Bar The bottom of the SpectraVue screen contains the current PC time in UTC format The left side of the bar shows var
66. ics card is probably the single most important item for maximizing the full potential of SpectraVue and the SDR xx The faster the better and the more memory the better In the General Setup menu there is a Skip N Updates spin control that the user can adjust to adapt slower graphics cards CPUs for best results The tradeoff is that the display will skip display updates to conserve CPU time 2 2 1 Program Installation The SpectraVue distribution is contained in a single Setup exe file Execute this file from the CD or wherever it is located The install program will run and step you through the process One can choose alternate folders for the program and whether to automatically create a desktop icon and where to place the shortcut in the Startup Menu The installer will create three folders under the SpectraVue main folder The 1SDR14USBdriver folder contains the USB driver required by the SDR 14 The 1iSDRIQUSBdriver folder contains the USB driver required by the SDR IQ The 1ISDRIPUSBdriver folder contains the optional USB driver for the SDR IP The Palettes folder contains several pal files that are optional palette files used for the waterfall colors The FilterComp folder contain optional fcf filter compensation files used for flattening out the SDR xx filter shapes The two main files for the program are SpectraVue exe and a single dll file OModule dll Several ini files are included with some program settings for a few common
67. ining bytes in the 1024 byte header are 0 Starting at file location 0x400 1024 the FFT data is placed as a 2 byte signed integer that represents the FFT data times 100 So for example a 135 23dB point would be saved as a 16 bit integer 13523 Little Endean word All FFT points are saved regardless of the span so the next FFT line would begin at 0x400 FFTSIZE 2 for real FFTs or 0x400 FFTSIZE 4 for complex FFTs Ver 3 13 2011 08 27 29 3 1 4 8 Soundcard Demod Output Setup soundcard Demod Output setup a Single Channel Demod e Outputto SoundCard E 0 Dual Channel Demod Mono Output MNon Demod Playback Gain dBj Dual Channel Demod Stereo Output soundCarc Realtek HO Audio output v OK The Soundcard output menu allows enabling the soundcard for output This is primarily for listening to demodulated signals but can also be used in playing back wave files or listening directly to 1 Q data if the soundcard supports the input sample rate The Soundcard selection menu allows selecting a particular soundcard for multiple soundcard systems The non demod playback gain control allows the audio to be scaled This is active only when demodulation is not active the sound output is selected and the sample rate is less 200KHz This is useful for amplifying a captured RF file to a level that can be heard or for retransmission out the soundcard as Q data The Demodulator has up to 2 channels If the Single Channel Demod
68. ios that the frequency settings track each other Normally the radio has an IF output that is fed into the SDR xx and is automatically set up as to frequency and whether it s spectrum is inverted or not EDPoo select Serial Pan Select Bit Rate Offset Hz Loam selection can be used to select the built in serial port of the SDR instead of the PC COM port Not all models have this capability 3600 y Select Bit Rate FT DTR lv ATS The PC serial port HW handshaking lines DTR and RTS can be manually set using these two check boxes These may be needed for some CAT interfaces that use the RS 232 port for power El 8 IF Offset Hz IF 10700008 He The IF frequency of the radio can be offset by Hz some amount in order to compensate for any frequency errors in the radio Select Ext Radio on Ver 3 13 2011 08 27 31 Pressing the Set To radio Defaults button will set some defaults such as Bitrate Icom radio address and IF Bandwidth Note Some of the multiple selections for the Icom radios will set the radio default address for only one of the radios so you will have to manually set depending on your particular model See list below ADR ER 4 e Ext IF B A Hz 4000000 ICOM radios require a communications interface address and it can be selected using the spinner control It must match that of the radio Currently Supported Icom radio addresses IC 756 x50 IC 756P
69. ious status information depending on the state of the program The example below shows the program running with an SDR IQ as the signal source the output is going to the PC soundcard and 123 samples have been captured for FFT averaging SOR IG gt Sound 123 EII Le Z Another example shows the program waiting to begin recording while in timed recording mode Idle Waiting to Record 23 59 40 Remaining 4Mar 2004 14 21 58 UTC E Ver 3 13 2011 08 27 55 4 Using With External Radios Several radios can be used in conjunction with SpectraVue and the SDR xx to extend the frequency range or for panadapter operation There are several modes of operation depending on the capabilities of the external radio If the radio has an IF output within the frequency range of the SDR xx and can be tuned using a serial port then the frequency range can be extended where SpectraVue automatically tunes the external radio frequency and vice versa If the radio can be tuned over a serial port but has no IF output then the SDR xx and the radio can track the same frequency using SpectraVue using the HF tracking mode Basically there are four modes of operation with external radios HF Tracking Keeping same center frequency pP y y a SpectraVue i Radio SDR xx 12 123456MHz 12 123456MHz Demod Tuning Possible HF Tracking Mode Keep Center Frequency Same HF Tracking Allow independent tuning within HF band
70. ith a range of 0 255 separated by a space Example format for a couple of rows 25 255 171 41 232 0 3 1 6 13 Select FFT Compensation File A sub menu allows one to pick a FFT compensation file A special file can be invoked to flatten out the filter responses of some of the SDR xx IF filters This is useful when doing extremely weak signal analysis and removes the ripple from the filter pass band These files have an extension of fcf and a name corresponding to the AD6620 filter bandwidth that it will compensate For example the file Filter1500 fcf is used to compensate the 1500KHz BW AD6620 filter setting Seer IEEE a nun srona e no n T Ver 3 13 2011 08 27 retell Lidi io a d A sn PR I eet 31114 Ut caer tk lt AR 36 3 1 6 14 Memory Modes Memory Modes a Memory Display OFF Mace Memory Display C Delta Memory Display Three radio buttons are used to select the memory modes The max hold mode adds a second trace on the displays that is the maximum value for each point in the display over time Pressing the Clr Max FFT button on the main screen above the info box will reset the maximum values The delta display mode allows the user to save the current displayed trace into memory and then display a second trace which is the difference between the stored trace and the current FFT trace Pressing the MEM FFT button will save the current fft trace to memory Pressing
71. ithin the IF bandwidth a ye a S Custom p gt lt gt Down Custom SDR as USB Port PC Converter iF Output 3 a User must specify Input frequency IF Frequency IF Bandwidth IF Inverted or not 5 Timed Recording Formats 5 1 RIFF wav File custom Format SpectraVue saves the data captured from the SDR xx devices in a RIFF wav file format A custom field is added to the normal RIFF header to include various parameters unique to storing RF data in a file normally used for audio data The RIFF format allows the addition of custom subchunks of parameters because programs that read the files should ignore any fields that it does not recognize Google Resource Interchange File Format or RIFF to find details on the format specification SpectraVue adds a new subchunk called auxi that contains some custom information that is not really needed but is used by SV if present to deal with IF frequencies etc It consists of a block of data with the following structure typedef struct SYSTEMTIME StartTime SYSTEMTIME StopTime DWORD CenterrFreg receiver center frequency DWORD ADFrequency A D sample frequency before downsampling DWORD IFFrequency INF frequency if an external down converter is used DWORD Bandwidth displayable BW if you want to limit the display to less than Nyquist band DWORD IQOffset DC offset of the and Q channels in 1 1000 s of a count DWO
72. l 1 142857 MHz M onde e Mute High Level 1 3333 MHz 30 dB Continuous After Trig 2 00 MH2 16 Ent DEM 16 Bit Calibrated Screen Trigger Output Mode 60 0 MHz real mode O Use 16 Bit for ll f Run State OF i C Run Toggle 160 450000 C Sample Rate Decimation Useable BY po po po po A po po po p m p po This setup menu is used to set the main parameters of the SDR IP hardware The A D Sample Frequency can be entered here Nominally it is 80 000 000Hz but this number can be changed to the actual oscillator frequency if more accurate frequency measurements are desired There are 11 fixed sample rate setups that can be chosen The 80 MHz real mode cannot be demodulated and is useful for viewing 35 MHz of spectrum The D A Output modes can be used to output various signals from its internal D A converter A D Tracking simply routes the A D data directly to the D A output NCO Tracking routes the NCO sin wave output to the D A output This will essentially output a CW signal at whatever frequency the SDR IP is tuned to The Noise Gen mode outputs a pseudo random noise output to the D A Output This is bandwidth limited to around 3OMHz The A D setup menu allows setting the dither and A D gain modes as well as adjusting the DC Offset of the A D Ver 3 13 2011 08 27 19 The A D Offset adjustment can be used to null the spur at DC 0 Hz This will vary somewhat with temperature and also the PGA gain
73. libration Calc 0 6620 Digital Downconverter Settings Measure ency Sane ee log ON De l EEIN IE ar Ver 3 13 2011 08 27 19 5 Click on the Calc button and the new A D Sample Frequency is calculated The Meas box will revert to the Ref frequency so one doesn t accidentally keep scaling the A D sample frequency SOR 14 Setup AD Sample FregiHz Update Firmware qe Ref 0000000 iO Meas 9999979 External Hw Sync After Calibration TEE 6620 Digital Downconverter Settings a e lu e l EEIN IE Mar 6 Go back to the main screen and start the captures again to verify that the new calibration has taken affect One may have to perform this a few times to iterate the error to zero if the signal is noisy or the SDR xx is still warming up SpectraVue Version 3 00 SpectraVue ini _ ox File View InputDevice SDR 14 Setup Cutputsetuip ExtRadio Setup General Setup Help dH95 75 889350 8943465 49993 40 4999 93 10000 00 10000 09 10000 10 10000 15 10000 20 10000 25 Y YYatertall H vtatertall Combo Continuum Phase 58 02 dB Center Frequency Ins Mono Auto Scale Al FFT GLE Size Ps 55555 RBWy 0 65 Hz hMemoryht Channels 1OdB Dnw VY Scale r a EEE opro pasen E Peak NCO Null Mute Sound Card volume spacebar 1m SDR 14 5 A A EE Ver 3 13 2011 08 27 76 7 2 Amplitude Calibration The easiest way to calibrate the SDR xx and SpectraVue for power amplit
74. ly invoked whenever the vertical resolution is changed This control is particularly useful in finding the display trace if it is off screen It can also be invoked by pressing the A key on the keyboard The W and Z keys on the keyboard can be used to manually adjust the position This button can change functions when in the different screen MEMORY modes that are discussed in the General Setup Menu section 3 3 6 Manual Vertical Slider Control 300 This control is used to move the viewable vertical window of the display The control can be changed by dragging the control arrow or by clicking on either side of the arrow or using the W and Z keys on the keyboard The total range of the display is 170 to 170 dB referenced to full scale Ver 3 13 2011 08 27 46 3 3 7 NCO Null The NCO Null button can be used to reduce the small spur that appears in the center of the screen due to DC imbalances in the and Q signals Normally atmospheric noise will mask this spur but when performing measurements where the noise floor is very low this spur can be dominant Pressing this button initiates an auto notching procedure that will attempt to remove the DC offsets on the and Q digital signals It takes about 10 seconds to complete One must make sure there are no real signals present when performing this calibration so it is best to have the antenna disconnected The center NCO spur is frequency dependent so the procedure must be done wh
75. mChan MeamChanl 10 MHz CF 10 MHz CF MemChand MemChanl g 10 iHz CF 10 MHz CF MemLhang MemChanl 4 10 MHz CF 10 MHz CF MemChani 0 MemChanel 1OMHz CF 10 MHz CF Memory channels are setup by first setting up SpectraVue s center frequencies and both demodulation channels to the desired settings Then right click on the desired memory channel button to bring up the individual setup menu Click on the Clone Current Setting button to load the memory channel with the current SpectraVue settings One can also edit the channel text name that will be displayed on the memory channel button Memory Channel Edit Memory Name d m 555 Center Freg 7205000 Hz Span 190000 Hz Attenuator 0 dB Demod Channel 1 Demod Freg 4165000 Hz Demod Mode LSB Lowlut 0 HiCut 2600 Offset 0 AGC Attack 10 AGC Decay 1000 AGC Hang 0 Demod Channel 2 Demod Preg 4110000 Hz Demod Mode USB Lowlut 100 Hilut 2700 Offset 0 AGC Attack 10 AGC Decay 1000 AGC Hang 0 Button Display Center Freq Demod Freg Demod Freg Mode Only Ver 3 13 2011 08 27 54 The Button Display group of selections allows the user to pick what type of frequency is displayed on the memory button The Center Frequency CF or one of the demodulation channel frequencies If demodulation frequency is chosen then the demodulation mode followed by a 1 or 2 denoting which demodulation channel is displayed after the frequency If the Mode Only selection is used t
76. n Total Decimation 340 ea Sample Rate 196078 ma a ala Network 5DA 14 Setup f 95 kHz 500 KHz Find Port 50001 Demod k C 1000 KHz C 50 KHz C 1500 KHz o USE EGOOODO Interface Selection 150 KHz C Network 190 EH 4000 KHz Serial Humber Filter 30 MHz 6620 Off Real Mode The A D Sample Frequency can be entered here Nominally it is 66 666 667Hz but this number can be changed to the actual oscillator frequency if more accurate frequency measurements are desired There are 13 fixed bandwidth setups that can be chosen If the 30MHz bandwidth is selected the AD6620 down converter is bypassed and the entire 33 3 MHz wide A D data is directly processed by SpectraVue using a real mode FFT Note that for demodulation only the 50KHzto 190KHz bandwidths can be used Some PC s may not be able to use the 190KHz mode as it pushes the USB bus to the limit The AD6620 settings area of the screen displays the current AD6620 decimation rates and filter sizes The AD6620 IF gain can be selected from 0 to 24dB in 6dB steps This value is best kept at 24dB unless very strong signals are being analyzed and the SDR 14 is being overloaded The input source can be selected as either direct to the A D ch0 or through a preamp and a 30MHz low pass filter ch1 Note The direct A D input should not be directly connected to an antenna It requires a bandpass filter and preamp in order to be used as a harmonic sampling receiver
77. n setting msg from SV with highest marker amplitude if markers are on msg from SV with highest marker frequency if markers are on cmd to SV to get center freq demod freqs and demod mode cmd to SV to mute unmute the audio 83
78. ontrol the starting stopping pausing or resuming of the data capture process Function keys F10 F11 and F12 are mapped to these buttons as well Stopped State stop Fil Pause F11 Running State Ver 3 13 2011 08 27 49 Stop F10 Cont F12 Paused State 3 6 Sound Card Audio Controls A AA E A A ee Audio alme opaceBar nr a The Mute button can be used to mute the audio to the soundcard The Audio Volume control is used to adjust the audio level to the sound card The Mute button can also be toggled by hitting the PC keyboard Space bar Pressing CTRL Space bar will un mute the sound regardless of its toggled state Ver 3 13 2011 08 27 90 3 7 Demodulation Controls J0 406 W Demod On CAM of wF CFM of NFM le LSB USB C SAM C WUSB C CARL wU Ne Of Setup Fiter 2700 2600 doo Peak 3 P The Demod On check box enables or disables the demodulator section Itis only available when the SDR xx bandwidth is within certain ranges The NB Button invokes a Noise blanker that is common to all demodulation modes and whose parameters can be adjusted in the Setup menus The group of selection buttons are used to pick the demodulation mode desired such as AM or USB etc For each mode one can press the Setup button to adjust various parameters for the selected demodulation mode such as filter bandwidth AGC etc If the Show Filter response box is ch
79. ormat saves the entire FFT data in comma separated format at specified intervals The first line is the frequency in Hz of each of the FFT bins The remaining lines contain the power in dBfs of each of the FFT bins 141100007 at WOOO Se Td iA OO LS do PALO ra ae ES Ns o do A o e o cake os OOO OO dd ORIOL HO or IA UL ISA LO HO 270 Bd PO old RS ELO SII ab A TL NN o E A eee SIUC SOCs E ae os SOL Pile HOG Se ALO SoZ ety ds ay cds esis Ver 3 13 2011 08 27 6 Network Operation 6 1 SDR IP and NetSDR Network Operation This manual assumes the user has some sort of working network setup so will not go into the details of how one initially sets up a Windows network or how to plug in cables etc It will focus on how to setup a few common scenarios of using the SDR s on a network When debugging and setting up a Windows network the configuration utility ipconfig is your friend It requires opening up a DOS command prompt window and then typing ipconfig or ipconfig all Various network parameters can be displayed To bring up a Command Prompt window in Windows XP go to Start Run and type in cmd There is usually a shortcut to it as well in the Start Programs Accessories menu e Command Prompt Ci gt ipconfig all Windows IP Configuration Host Name 2 MoeAcer Primary Dns Suffix a E Mode Type Unknown IP Routing Enabled
80. our network since you are manually setting it up it is your responsibility to make sure there are no conficts Press OK and your PC should now be set to this manual IP address setting You can run the ipconfig utility to verify 6 1 2 2 NetSDR SDR IP Manual Address Setup The easiest way to setup the NetSDR and SDR IP for manual address use is to connect the radio to the PC using the Ethernet cable and then running the SDRNetSetup utility This utility can be found at htto sourceforge net projects sdrnetsetup After installing it run it and it should discover the SDR and display it in its window Ver 3 13 2011 08 27 69 SdrNetSetup Yer 1 03 Find SDR s SDOR IP SM IPOOO040 IP 192 166 1 110 Port S0000 Double Click on Entry to View Edit Double click on the SDR in the list and the following menu will pop up allowing you to enter new settings Device Setup Device 5DR 1P Serial Number 12000040 MAC 00 50 c2 bb 60 75 Firmware Yersion 1 05 Boot Yersion 1 09 HW Yersion 1 FPGA ID 1 FPGA Rev 4 Options O TCP Port C Use Alternate Data Destination UDP Address pS ae ad UDP Adr 10 _ 168 1 _ 122 UDP Port 50000 D FPGA Config O FPGA Config 1 FPGA Config 2 Make sure the Use DHCP is not checked and then enter you desired manual IP address and subnet mask values Click OK and the radio will change to these new settings T
81. rational code first select the App Firmware checkbox then Open the updatexx hex file and presses Start to begin the firmware update Make sure you select the correct hex file for your particular radio To update the NetSDR FPGA configuration first select the FPGA Cfg1 or Cfg2 checkbox then Open the updatexx bit file and presses Start to begin the foga update Make sure you select the correct bit file for your particular radio The NetSDR can hold two different configurations that can be selected from the front panel or via software Device Firmware Update le App Firmware C FPG4 amp Chg1 FPGAChg2 Flash Size 040000 Chg Size 01 ODODO Flash Page 0x100 Cfg Page 0x100 Flash Sect 04000 Cfg Block Ox50000 Open File NetSOA firmware 103 he Current Boot Version Current Firmware Version 1 05 ASCF Version Device Seral Number SODRA IPO00040 Network Not Connected Ver 3 13 2011 08 27 23 3 1 4 Output Setup The Output setup menu contains setup items pertaining to the output modes and options of SpectraVue Data Output Selection Wave File Capture Setup i Chain Multiple Files e RF Data to vv awe File Max File Size 2 1GB DVD TimeStamp Filename 0 Demod to Vase File C Masser l Fregstamp Filename aE aie BS Bi Qualitas Esa Timed Recording Setup i Right Click to Edit Manual Recording Mode 30 min 10000000 Hz 2009 10 06 18 15 21 UTC 10000000 Hz 2009 10 06 18 15 2
82. s that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway Continue anyway since the driver is not a Microsoft driver The driver should load and then this process will repeat itself as the driver is a dual driver The procedure is the same 2 3 2 SDR IQ USB Driver Connect the USB cable between one of your PC USB ports and the SDR IQ Your PC should recognize a new device being plugged in and pop up a driver installation menu The SDR IQ uses a USB driver that is common to a lot of FTDI based products so it may already be installed on your PC n which case it should just install automatically If not then the same procedure should be used as with the SDR 14 except you would choose the SDRIQdriver folder when prompted Ver 3 13 2011 08 27 9 2 4 Basic Program Operation Click on the desktop Icon for Spectravue or go to the Windows Start menu to launch Spectravue If the SDR xx is connected the status in the bottom status bar should say Idle and you can click on the Start button or press F12 to begin operation 2 4 1 Main Screen SpectraVue Version 3 00 SpectraVue ini File View InputDevice SDR 14Setup GutoutSetup ExtRadio Setup General Setup Help 045 064 083 2102 4121 2140 159 7178 T197 T216 F235 Continuum Y Demod On eo C WFM CFM C NFM FFT BLK Size LSB USB Fs 146078 RBW 48 Hz peer DSB WUSB CAL CAU
83. sample count is displayed in the Status Bar at the bottom of the screen so one can monitor the progress of long averages The FFT size pull down selection control is used to select the size of the FFT The range is from 2048 to 2M points The larger the FFT the better the frequency resolution but the longer it will take to process since more data points are required between updates Note that for the SDR IP 80MHz real mode the maximum FFT size is 65536 3 3 3 FFT Information 2048 FFT BLE Size Fs 14960 7 0 RBW 96 Hz 10 dB Diw y Y Scale Basic information of the current FFT settings are shown on the lower left side of the main screen Fs is the current sample frequency and RBW is the FFT resolution bandwidth ie the smallest frequency resolution of the FFT display 3 34 V Scale iv y Scale The Vertical scale control allows the selection of dB per division for the FFT amplitude The range is from 2dB Div to 10dB Div The display will only show 14 divisions at a time so the slider control on the right side of the display can be used to change the viewable range of amplitudes 45 Ver 3 13 2011 08 27 3 3 5 Auto Scale Button a Auto Scale a This button can be used to perform an automatic centering of the signal within the display area It performs an average of all the FFT points and adjusts the vertical position so that the average is somewhere near the bottom of the screen This function is automatical
84. t jack and not have a network at all just a direct connection between the two NetSDR Switch Hub There are two items you need to set in order to get the radio and PC to talk to one another One is the IP address and the other is what is called a Subnet mask The Subnet mask is just a filter value that only allows network addresses Ver 3 13 2011 08 27 67 that match the fields defined with the subnet mask Typically you would use 255 255 255 0 which says that the first 3 numbers of the IP address must match all the devices on the network in order for them to talk to each other In other words only the last number can be different and thus is used to uniquely define all the devices on your network Note that each number between the dots has a range of 0 to 255 8 bit byte value Below is a table of private non routable will not route over the internet IP addreses that can be used on an internal private network Private Class A 10 0 0 0 10 255 255 255 range Private Class B 172 16 0 0 172 31 255 255 range Private Class C 192 168 0 0 192 168 255 255 range The 192 168 xxx xxx range is a very common default one used for home networks The PC and Radio must have different IP addreses from one another and yet still be on the same network For example if the PC is 192 168 0 123 then the Radio must be something else like 192 168 0 21 Note the first three numbers must be the same So if the radio is on192 168 32
85. the AUTO delta button toggles between the delta display difference between current and stored and the current and the stored memory traces All three are displayed on the screen with different colors to distinguish them The stored memory trace uses the Peak trace color 3 1 6 15 Cursor Modes The Cursor Mode selections allow the user to select either no mouse cursors an X Y cursor or a Plot Cursor The cursors are not available in the raw data or phase display Cursor Mode The X Y mode shows the frequency and amplitude of the cursor mouse position on the screen The Plot mode shows the frequency of the mouse position on the screen and the amplitude of the plot data at that frequency position on the screen Leaving the cursor hovering at that position will update automatically as the data of the plot changes If the cursor is in a waterfall display only the frequency is shown 12062 MHz 97 472 dB Center Frequency Ins If the Cursor Mode is Off then the cursor information of the plot is shown in text just to the left of the main frequency control 3 1 6 16 Markers Markers Display Peak Markers 10 vy Allow Mouse Click Markers Exclude Display Peak Markers This box enables a peak finding routine that shows the 4 highest power peaks as O s on the display as well as numeric values in the upper left of the 2D display screen There are 4 peak markers with 4 different colors The text display is sorted from highest
86. the demodulation center frequency which can be anywhere within the display frequency span This button is only active if in the demodulation HF Tracking or Pulse mode When in Center Frequency mode clicking on a position of the screen will make that position the new center frequency When in the Demo mode clicking on a position of the screen will make that position the new demodulator frequency and keep the center frequency fixed When operating with an external radio in the HF Tracking mode this button also selects the external radio frequency 3 4 2 Span Frequency Control The span frequency sets the range of frequencies that will be displayed on the screen The display will always show frequencies from Center Span 2 to Center Span 2 The control operates exactly as the center frequency control except the arrow keys do not automatically invoke the control like the main frequency control span Freq MHz 3 4 3 Frequency Lock Button The small button just to the left of the main frequency control can be pressed to lock the frequency display The button will turn red indicating a locked condition 10 0 Pressing it again will unlock the frequency display This is useful to keep from accidentally moving off frequency During wav file recording the control will display an R indicating the frequency cannot be changed while recording a 10 0 3 5 Start Stop Pause Cont Controls Three buttons at the bottom of the screen c
87. to nominal of 66666667Hz or 80000000Hz depending on the SDR model if not already there It doesn t have to be but for this example it is what it would be the first calibration time x SDR 14 Setup A D Sample Fre yy Update Firmware 66666687 External Hv Sync bed Digital Downconverer Settings CIC Rate a CIC Scale 4 CICS Rate 30 CICS Scale 20 RCF Rate 5 RCF Scale 0 256 Total Decimation 1200 ERAS Final Sample Rate 55555 RF Input SOurce Direct Inputich 0 0 30 MHz ch 1 Ref f q000000 Meas f q000000 Ch 1 AF Gain a 0d6 C 20 dB C 10dB 30 dB Calibrated Screen bbed IF Gain fe 24dB w C 12 dB C 6dB C 0dB Filter Bangwidth C 5KHz C 10 KHz o 50 KHz C 500 KHz 1000 KHz 1500 KHz 2000 KHz 4000 KHz Network SOR 14 Setup IPAddress 152 168 1 100 Fort 50000 Diernod Tes fe 50 KHz 150 KHz 190 KHz Interface Selection fe USB f Network May not work on all PC s 30 MHz 6620 Off Real Mode Cancel Ver 3 13 2011 08 27 73 2 Set the General Setup menu as shown with the Display Peak Markers button checked and the Exclude to around 10 General Program Setup Ver 3 13 2011 08 27 74 3 Setup the main screen as follows with an FFT size of 65536 an average of 5 or so a center frequency of 10MHz for WWV demod OFF and a span o
88. tude as a color instead of as a height on the display Frequency is the vertical axis and time is the horizontal axis The center frequency and frequency span are set by the two Ver 3 13 2011 08 27 42 main controls just below the FFT display area Amplitude in dB referenced to full scale is displayed on the topside as a color scale The slider control on the right can be used to shift the amplitude display up or down in large increments An optional time stamp feature can be invoked from the General Setup Menu to mark the UTC time as the display scrolls left 65 70 75 B0 85 90 95 100 105 110 115 14 015 14 02 14 025 14 03 14 035 14 04 14 045 14 05 14 055 14 06 14 065 RawData 20 FFT 3D FFT Y Waterfall H Waterfall Continuum t RA peee A ee eee M eee Se eee eel ces e Jun ear nus oa od pre pee eo e Es eee E E AR 3 2 6 Combo This view combines the 2D FFT view with the vertical waterfall view PAZO i145 FAB T 1866 T205 Taag Taga i262 Peeters IN aaj E yey ieee dd Ani Lene a ree ee eee Hi iL te De IE 30 Plot Y aterall H Yatertall l Paw Data O Plot AN 4 oe N Ganba Continuum Phase Ver 3 13 2011 08 27 43 3 2 7 Continuum The continuum display mode displays the total power over the entire frequency span versus time An optional secondary trace can be displayed that also shows the peak power within the same span versus time This is invok
89. ude is to simply input a sine wave signal of known power and adjust the FFT Max dB value in the FFT setup menu This number is simply added to all the screen values For example set the signal generator to say 20dBm and measure the amplitude shown on the 2D FFT screen Use the Peak Markers for best accuracy rather than the cursor marker since the screen resolution is not very accurate Enter a value into the FFT Max dB edit box in the FFT setup menu that when added to the measured value will make it display 20dBm The value can be positive or negative Right to Left Continuum Time Stamp Display Exclude 0 Sec f0 AUITO Mouse Click Resolution Fulse Mode setup fe 8 m C 20KHz C 500 H Pulse Mode Enable C 10KH2 100 da C 9 KHz C 10Hz 4 5 FFT Cal Offset In the direct input mode of the SDR 14 a value of 4 5dB will be very close since this is the level in dBm where the A D begins to clip If the internal preamp or an external one is used then one must change the value accordingly 7 3 Multiple Spectravue Instances Spectravue normally does not allow multiple instances of it running at the same time However if one copies and renames the file Spectravue exe to say Spectravue1 exe and another copy to Spectravue2 exe then both of these new programs will run independently A separate settings ini file will be created and used for each program name Also a separate Windows registry entry will
90. umber of 16 bit data samples per FFT capture 4 bytes FFT size 4 bytes FFT data sample rate in Hz 4 bytes Center frequency of FFT data The remaining bytes in the 1024 byte header are 0 Starting at file location 0x400 1024 the FFT data is placed as a 2 byte signed integer that represents the FFT data times 100 So for example a 135 23dB point would be saved as a 16 bit integer 13523 Little Endean word All FFT points are saved regardless of the span so the next FFT line would begin at 0x400 FFTSIZE for real FFTs or 0x400 FFTSIZE 2 for complex FFTs 5 3 Continuum csv Format This format saves the continuum mode power within the specified Span in a comma separated format that can be imported into Excel for analysis The first column is the data and time The second column is the total power within the span the third column is the peak power within the span in dBfs Ver 3 13 2011 08 27 64 2009 03 19 14 45 36 37 437 11 133915 2009 03 19 14 45 36 51 2626 11 221365 2009 03 19 14 45 36 51 1092 69 933479 2009 03 19 14 45 36 51 1404 70 673458 2009 03 19 14 45 36 51 228 10 66663 2009 03 19 14 45 36 51 1053 10 421321 2009 03 19 14 45 36 37 1099 70 211351 2009 03 19 14 45 31 3f 28352 11 462994 2009 03 19 14 45 37 3f 321f 10 62351 2009 03 19 14 45 37 51 3061 10 362563 2009 03 19 14 45 37 51 1225 71 266175 5 4 FFT Data Excel Comma separated csv custom Format The csv custom FFT data f
91. used _Stop Met Wi ating For Connect MoeAcer 192 166 1 40 Moe cer 132 160 1 40 Press Start to turn on each of the servers In SpectraVue using the Find button should display all the radios in alist and you can pick the desired one The same trick to have multiple instances of Spectravue by creating multiple copies of the Spectravue exe file can be used to run several instances on the same PC where each one is talking to a different radio See Hints and Tricks section 7 Ver 3 13 2011 08 27 12 7 Hints and Tricks 7 1 Frequency Calibration The following ideas are presented to help one calibrate the SDR xx and SpectraVue for applications where frequency or power accuracy is needed The internal sample clock of the SDR xx is a crystal oscillator running at a nominal frequency of 66 666 Mhz or 80 00000MHz It is not oven controlled or adjustable so some means is needed to correct for it in SpectraVue The easiest way to calibrate is to input a known reference frequency into the SDR xx and accurately measure it using SpectraVue The difference in the measured and actual frequency can then be used to change the value SpectraVue uses for the sample clock WWV can be used if a decent signal is available or a good lab source A local AM station carrier could also be used to get reasonably close The following SpectraVue setup can be used to help calibrate the system 1 Setup SDR xx for a 50Khz BW and set the A D Sample Frequency
92. w network connections such as the Internet or 802 11b systems will not work since the data rates are too high Use a wired Ethernet or 802 11g or better high speed network connection If multiple SDR s are desired to be shared on a network using a single PC multiple instances of the SDRxxServer can be run In order for this to work one must first make N copies of the SDRxxServer exe file and rename each of them with a unique filename For example if you want 2 servers to run on the same PC create copies of SDRxxServer exe and rename them to something like SDRxxServerRemote1 exe and SDRxxServerRemote2 exe Use names that make sense for you You can make shorcuts for these and place on your desktop for easier access Now run both of these copies They will come up on top of each other so spread them out Now press the Stop button on both of these and make sure the Port numbers are different on each one so they can be destiquished on the network Optionally you can enter the specific 8 character Serial Number of the radio you wish to be associated to each application This will maintain the same association of a specific radio to this copy of SDRxxServer This is very useful since the server will otherwise just grab the first radio it finds SISDR xx Server V2 41 X SisDR xx Server V2 41 TOK Port 50001 SN Filter Port 50002 SN Filter USE SORA AY000976 Connected USB SDA 0 AYD000894 Connected Met Server Pa

SpectraVue User Guide Ver. 3.13 Aug 27, 2011

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