TPI-1001-A User Manual - RF
Contents
1. 20 3 3 3 4 Scan Repetition ite eee dete dide etae edt dee T Ee 21 3 3 3 5 Inter Scan Interval 6s cates ERR ERHEBEN SERRE E RENE IE 21 AAA OS 21 3 34 Analyzer tab sixes essesdsseusecdschessndscouasecssesssusssavsacsovespndovsssoucesvovese rones e Fas ke P Bo eose en aao se 23 ISAT Analyzer X Axis Paratnetets aee A RR D Ie e he bebe recedet etude ee ea 24 3 3 42 Analyzer Y Axis Parameters a a 24 3 3 4 3 Analyzer Display Parameters sese nennen nne 25 User Manual for TPI 1001 A Signal Generator Version 1 0 2 3 3 4 4 Markets A A a edi 26 IM Ko 100 te e e dl e o 28 O IS e A A E E EN CCT 29 3 3 5 SCEID AAA OL 3 3 5 T SonptOVetvIeW i nda o dat ERE ER C an demus 30 FIS 2 Editing Script posee SRI deste he itae e edet itid entia 31 3 3 5 3 Storing a Seriptin the Unit sota 32 3 3 5 4 RUN ideas 33 E Script Commands 5 54 RE E E NS 34 REX digi ERIT 3 3 6 l Internal Supplies esce RE el HMI ted Re Lehtonen he US ent ie eta tle dud te ER URS 36 3 3 62 A walhary Input 5 ete eR IU e RU eed t cie IU a b e Her 36 3 3 6 3 Trigger Output sioe Aes O RO ere ees 37 II OA Control B tton cecidere tore Der Deere erp erar epe Tq 38 3 3 6 5 Calibration vr RR ERES RARE REPRE Rd 38 A be pie EE a pA pe ep Is 39 3 3 6 7 Power On Default oerte RE es 39 3 3 7T IDCM ERR ECC ERI 3 3 System Information 5 eR e e ER RU Rises a 40 3 33 72 TPI Eink Options ue enc iter eher eiie eere e eer ei e2. Click Link t tt it Link ick Link to connect to uni Available ports COM6 Figure 2 TPI Link at launch Clicking the green Link button will commence a process of sequentially testing each available port until a TPI 1001 A is found When TPI Link has successfully linked to a unit it will appear as in Figure 3 The serial number of the unit will be displayed along with the firmware version in the unit If a newer firmware version is required click Upgrade to upload it to the unit The Comm indicator just under the Show Help button will turn blue while TPI Link is communicating with the unit User Manual for TPI 1001 A Signal Generator Version 1 0 10 TPI Link SA EN lol x Curent State y TPI Link F z 35 000 MHz Show Help Power out dBm Comm E Power in Detector is OFF State Generator Trinity Nuclear Blast 0 016 s RF output RF output is OFF Linked to TPI Synthesizer Auto Position USB Virtual Port COMG Model Number TPI 1001 A Serial Number 1 Hardware Version 1 000 Minimum TPI Link Version Required 1 000 Firmware Version 1 000 Upgrade Figure 3 TPI Link liked to TPI 1001 A The Current State group that now appears above the tabs is a handy way to view the most important parameters of the unit regardless of which tab is currently selected The purple RF output line of text may be clicked to turn the RF output on or off
3. Level Level Function C None Sawtooth step up Sawtooth step down Triangle up down C Triangle down up RF output auto on off scans and calculates the number of scans necessary to cover the level span lolx Current State Frequency Power out Power in State RF output Scan Analyzer Script System About Scan Control Scan Type Step frequency by Step level by Fit frequency span to Fit level span to TPI Link 164 000 MHz 40 dBm Detector is OFF Generator RF outputis OFF Frequency Limits High 200 000 MHz 150 0000 MHz 1 000 MHz every 10 ms 1 dB after each scan 1 010 seconds Center Low 100 000 MHz V Step level after each scan M RF output auto on off Span 100 000 MHz Scan Repetition C One scan Inter Scan Interval 1000 ms between scans RF output off between scans Hold end of scan freq level Level Limits High level 0 dBm Center level 20 0 dBm Continuous scans Number of scans 41 Scan State b 4 I Scan Pause Stop Low level 40 dBm Level span 40 dB Figure 12 Step level after each scan If checked the RF output will turn on when scanning commences and off when scanning stops The RF output is not turned off while scanning is paused 3 3 3 4 Scan Repetition One scan Continuous scans Number of scans Scanning will terminate following one scan A ne
4. Auxiliary Input Action Invert Trigger Output E None M Match 1000 000 MHz MCU 3 3 V Supply OSC 3 3 V Supply Aundliary Input PA 5 0 V Supply DET 5 0 V Supply Calibration Figure 30 System tab 3 3 6 1 Internal Supplies This group displays the voltages of the various voltage regulators within the unit They will be updated once per second while the System tab is selected If any voltage is out of the acceptable range it will flash red The power amplifier PA supply will be turned off whenever the RF output is off Likewise the detector supply DET will be turned off whenever the detector is turned off on the Analyzer tab The Reading indicator will flash red each time the voltages are updated 3 3 6 2 Auxiliary Input The auxiliary input should be driven from a low impedance source and can accept a voltage in the range of 5 to 5 volts A threshold is selectable in the range of 4 00 to 4 00 volts When the input voltage rises above or falls below the threshold selectable by the two radio buttons the selected Auxiliary Input Action will occur This can be thought of as a trigger input The input is internally biased at approximately 0 5 volts Therefore if it is unconnected the Auxiliary Input voltage displayed in the Internal Supplies group will indicate that voltage This voltage bias can be utilized to implement a simple external switch or push button Simple connect the switch to sho
5. This is optional as the commands also may be typed in manually User Manual for TPI 1001 A Signal Generator Version 1 0 31 SE TPI Link SN 1 TPI Link i 20 dBm Detector is OFF E Generator Trinity Nuclear Bla 6 RF output is OFF O Link Generator Modulation Scan Analyzer Script System About Script Insert Comm Script name Test Script File 2 File Comment tf El Tum on RF fon Tum off RF rfoff Wait to continue wait beep beep Set frequency setfreq Inc frequency incfreq Set RF level setpwr Inc RF level incpwr Trigger on trigon Trigger off trigoff Figure 26 Insert script commands Clicking the aqua Save button in the File group will save the script to a text file Clicking the Open button will load a script from a text file A script file may be created with any ASCII text editor such as Notepad and then opened in TPI Link After reading in a file TPI Link will test the file for illegal commands The script may also be given a name in the Script name box The name can be up to 64 characters in length When saving a script to a file the script name will be saved as the first line in the file preceded by name The script name is optional and is not the same thing as the file name If creating a script file with another text editor you may use name lt script name here gt on any line of the file to name the script If two or more
6. A Signal Generator Version 1 0 29 3 3 5 Script tab 3 3 5 1 Script Overview Figure 25 shows the Script tab It is necessary to understand the concept of where and how a script is stored before attempting to use this feature A script is a list of text commands that is executed in sequence by the unit when the script is run Because the script may be run by clicking the Run button or by pushing the command button on the unit provided the command button is configured for script control the script may be run without TPI Link running at all Therefore it is necessary that the script commands are stored in the unit before they are run even if they will be run by clicking the Run button in the Script tab The script commands are not sent to the unit command by command as the script is running The entire script is stored in the unit and the each command is fetched from the unit s memory Script commands TPI Link SN 1 E ci x um WE Hem Detector is OFF Generator RF outputis OFF Unit Control Sait name Test Script File 2 Ebene nia comment 1 Run continuously C Number of runs setfreq 100 setpwr 30 rfon y pause 2 rfoff Run Stop beep Script commands executed setfreq 200 setpwr 0 rfon wait rfoff beep pause 0 4 beer No Errors Figure 25 Script tab User Manual for TPI 1001 A Signal Generator Version 1 0 30 3 3 5 2 Editing a Script The script m
7. TPI 1001 A Signal Generator Version 1 0 8 3 TPI Link The graphical user interface GUI TPI Link is a Windows application and runs on a standard Windows PC This user manual describes the operation and features of version 1 000 3 1 Installing TPI Link A USB cable must be connected between the PC and the USB port on the unit The first time a USB cable is connected to a specific unit the PC will install a driver for that unit The USB port in the unit includes an FTDI USB to high speed UART converter chip which appears to the PC s operating system as a COM port Each FTDI chip has a unique serial number not the same as the unit s serial number which results in a separate driver installation for each TPI 1001 A connected to the PC The COM port number assigned by the PC will be unique to that unit connected to that particular PC If your computer has an internet connection Windows should automatically find and install the correct driver This has been tested with Windows 7 and Windows 8 1 and should work with some prior versions of Windows as well The driver installation process can take some time especially with Windows 8 1 Be patient Once the driver is installed you can install TPI Link Note that the indicated baud rate under the COM port properties in Windows Device Manger is the default value assigned by Windows TPI Link overrides this value and operates the COM port at 3 MBaud To install TPI Link run the file setup
8. The State parameter will indicate Generator if no advanced feature is active User Manual for TPI 1001 A Signal Generator Version 1 0 11 3 3 Tabs The tabs contain controls to perform the various functions of the unit The Generator tab is used to set the output frequency and level The next four tabs Modulation Scan Analyzer and Script are used to control the various advanced features of the unit The System tab is used to configure the functionality of the auxiliary input trigger output and control button and to monitor the power supplies plus some other features The About tab indicates the TPI Link version and is used to configure the options 3 3 1 Generator tab Figure 4 shows the Generator tab TPI Link SN 1 TPI Link 1675 000 MHz Detector is OFF enerator RF outputis ON amp Modulation Scan Analyzer Script System About Frequency Level RF Output 1675 000 MHz 10 dBm Owwor ess Increment 1 000 MHz AJ Increment 1 dB Ed E gU MM DH Hl Hu a uu g Reference Maximize Performance intemal Reference C Extemal Reference Low noise mode Ref output is ON Ref output on off C Low spur mode Figure 4 Generator tab 3 3 1 1 Frequency The unit s frequency may be changed by directly editing the frequency value or by clicking the up or down arrows in the Frequency group The allowable frequency range is 35 MHz to 4400 MHz in 1 kHz increments
9. The inter character time can be set from 3 to 30 dit periods The inter word time can be set from 7 to 70 dit periods The equivalent words per minute WPM rate resulting from these parameters based on the standard word PARIS is shown When Beacon is selected in the Modulation Active group the RF output will be modulated by the selected beacon parameters If Auto RF out on off is checked the RF output will be turned on when the beacon begins running and will be turned off when the beacon ceases While the beacon is running the Power out value in the Current State group will indicate the high level or CW level While the beacon is running a red bar will flash above the Modulation tab See Figure 8 In addition a red arrow will appear and point to the beacon element currently executing User Manual for TPI 1001 A Signal Generator Version 1 0 16 oS 5 x TPI Link 100 000 mu Poweyout 20 dBm Powgtin Detector is OFF TPI Link SN 1 a Stat Modulate Beacon Trinity Nuclear Bla 65 RF output RF outputis ON Q k AA Link Generator Modulation Scan Analyzer Script System J About Modulation Active Square Wave B acon FM C Of Frequency 100 000 Hz gt K Message 2 2005 Enable FM C Square wave AM y EE E Beacon Duty cycle 50 2 96 M Pause 1000 ms Frequency 1000 000 Hz E cw 5000 H m IV Auto RF out on off Duty cycle 50 00 IV Pa
10. The up down arrows will change the frequency by the increment value Clicking any one of the six green preset buttons will immediately change the frequency to that value To change the value of a preset button first manually set the frequency desired Then click the green Preset store button The buttons will flash red indicating that one of them must now be clicked Click the button for the preset you wish to change If instead the Preset store button is clicked again it will cancel the operation The frequency locked indicator will be yellow when the synthesizer s phase locked loop PLL is locked indicating that the desired frequency is present User Manual for TPI 1001 A Signal Generator Version 1 0 12 3 3 1 2 Level The unit s level may be changed by directly editing the level value or by clicking the up down arrows in the Level group The allowable level range is 10 dBm to 80 dBm in 1 dB increments The entire range of levels may not be available at all frequencies The up down arrows will change the level by the increment value Clicking any one of the six blue preset buttons will immediately change the level to that value To change the value of a preset button first manually set the level desired Then click the blue Preset store button The buttons will flash red indicating that one of them must now be clicked Click the button for the preset you wish to change If instead the Preset store butt
11. in the TPI Link directory of the provided CD A shortcut icon will be placed on the PC desktop as part of the installation Note that multiple instances of TPI Link may be run if desired to facilitate multiple units connected to the same PC If a new version of TPI Link is installed the existing version must first be uninstalled from the PC User Manual for TPI 1001 A Signal Generator Version 1 0 9 3 2 Running TPI Link When TPI Link runs it first appears as in Figure 2 This is the main window and is where all operation of the unit is performed If no COM port is detected it will continue scanning for available COM ports All available COM ports i e COM ports that are not currently in use by another application will be listed as a convenience The COM port for the TPI 1001 A will only appear in the list if the unit is connected to the PC Clicking Show Help or pressing F1 will open a second window of help information The five Auto Position buttons may be used to conveniently position the window in the corners or center of the current monitor The window position upon closing will be remembered for the next time TPI Link runs There are eight tabs that contain controls for the various modes of operation Until a communications link is established with the unit only the Link tab and About tab may be selected TPI Link TPI Link Link Generator Modulation Scan Analyzer Script System About
12. in the unit User Manual for TPI 1001 A Signal Generator Version 1 0 6 2 Hardware 2 1 Connectors and Controls Figure 1 shows the connectors and controls on the unit Auxiliary power input USB port Reference output 10 MHz FM modulation input Auxiliary input Extemal reference input 10 MHz RF output RF detector input Trigger output Control button RF out function LED RF output on off button Power LED Figure 1 Connectors and controls RF output SMA 50 Q Main RF output of the signal generator RF output remains stable with no load and has been tested against damage both open and short RF output is AC coupled 5 V DC max RF detector input SMA 50 Q Broadband RF input Maximum level is 10 dBm Do not apply a DC bias to this input Auxiliary input BNC analog input 5 V to 5 V When a user settable threshold is exceeded a specified event will be triggered This input is internally biased to approximately 0 5 volts with an input impedance of approximately 18 kQ Ideally it should be driven by a low impedance output not exceeding 5 volts Trigger output BNC 0 to 3 3 V 50 Q This digital output can be configured to rise or fall on a number of different events External reference input BNC 0 to 10 dBm 50 Input for externally supplied 10 MHz reference The frequency reference source can be selected in TPI Link Reference output BNC DC coupled 0 V to 3 3 V 50 Q Outpu
13. on board temperature compensated crystal oscillator TCXO or can be an externally supplied 10 MHz reference An Atmel microcontroller MCU is used to communicate with the synthesizer the attenuators and various other devices within the unit The MCU also facilitates communication with the host PC via a USB connection When the unit receives power the MCU configures the hardware to the state last saved within TPI Link In this way the TPI 1001 A can operate stand alone as a fixed frequency signal generator a scanner a modulated signal generator a radio beacon or can run a stored script TPI Link is used to control the unit in real time and to configure the power up state of the unit Future software upgrades for both TPI Link and the MCU s firmware can be distributed as a single PC application a new version of TPI Link which has the MCU s firmware embedded within it TPI Link can upload the new firmware directly to the unit without the need for any other programs or hardware Calibration of the RF output and detector input is performed at TPI and stored within the unit not your PC in nonvolatile memory TPI maintains a copy of the calibration file for each unit manufactured In the unlikely event of lost or corrupted calibration data in the unit you may upload the calibration file to the unit via TPI Link The unit may also be returned to TPI for recalibration for a reasonable fee Contact TPI for further information User Manual for
14. pauses and the CW period may each be set from 100 ms to 60000 ms 60 seconds The duration of the message is a function of the characters in the message and the rate at which the message is sent Click the green Message button to view and edit the message See Figure 7 The message may be up to 255 characters in length The following characters are allowed A Z 0 9 1 lt space gt When finished typing the desired message click Done and it will be sent to the unit and immediately stored in nonvolatile memory Clicking Read Message From Unit will replace the displayed message with the message currently stored in the unit and can be thought of as an undo button Beacon Message TEST MESSAGE Figure 7 Beacon message In the green area the RF output may be cycled on and off known as on off keying OOK modulation or its level may be switched between two fixed levels If Attenuate is selected the output level during the off time will be the indicated number of dB below the current RF output level as set in the Generator tab The Low Level value shown just below Attenuate is the current output level minus the attenuation value but limited to the minimum output level available for the current RF frequency The blue area contains controls that tailor the Morse code timing The duration of a single dit dot can be set from 10 ms to 500 ms A dah dash will always be three times this value
15. right corner of the display preceded by an R or L indicating which mouse button placed it The color of the X and the label text will be that of the trace If both left and right markers have been placed the difference between the two markers will also be indicated preceded by a D See Figure 22 Link Generator Modulation Scan Analyzer Script System About Xais Wico Y Axis Y o Sere Y Cursor Markers Level Continuous M Show Large cy V Auto RF out Display Hz 10 76 dB E B Grid C Absolute Color p Grey y Relative Y Res Fine Background Black y Cuneri Hace Markers Color Orange Color white y Peak IV Labels M Show trace D 3dB M wide Bold 6dB Ww BW IV Average dB T j 800 000 MHz 1 700 000 MHz 2 600 000 MHz Figure 22 Cursor markers placed If at least one cursor is placed the Clear button is visible Clicking Clear will remove both cursor markers Unchecking Show will hide the markers but not clear them If the left or right mouse button is clicked a second time the first cursor will be replaced with the new location Remember that the R and L do not refer to the relative position of the markers on the display but rather to which marker was placed with which mouse button In other words User Manual for TPI 1001 A Signal Generator Version 1 0 27 the leftmost marker could be placed
16. s audio output not the self contained speaker that may be present in some desktop style computers Turn the trigger output on if it is set to Script controls trigger This will produce a falling edge if Invert Trigger Output 1s checked in the System tab Turn the trigger output off if it is set to Script controls trigger This will produce a rising edge if Invert Trigger Output is checked in the System tab It is often desirable to insert comments into a script that are not to be interpreted as commands Any line in the script whose first non blank character is will be considered as a comment and will be ignored These lines and all blank lines will not be sent to the unit when Send is clicked Therefore when Read is clicked only the lines that contained commands will be read from the unit and displayed Therefore it is important that any script written in TPI Link is saved to a file so that the entire script including comments and blank lines is saved for future reference User Manual for TPI 1001 A Signal Generator Version 1 0 35 3 3 6 System tab The System tab includes controls for a number of utilities and housekeeping tasks See Figure 30 TPI Link SN 1 TPI Link EL a 200 dim RF outputis ON Intemal Supplies Auxiliary Input Trigger Output Control Button o Read Threshold 2 00 volts Trigger Out Source Control Button Function ng v None gt Thresh lt Thresh shai Y
17. this value will automatically recalculate the center and span frequencies High frequency minus low frequency Editing this value will automatically recalculate the high and low frequencies User Manual for TPI 1001 A Signal Generator Version 1 0 19 3 3 3 2 Level group None Sawtooth step up Sawtooth step down Triangle up down Triangle down up High level Center level Low level Span level 3 3 3 3 Scan Type Step frequency by Step level by Fit frequency span to Fit level span to Do not alter the level while scanning Increase level during scan Decrease level during scan Increase level during first half of scan decrease level during last half of scan Decrease level during first half of scan increase level during last half of scan Highest level during scan Editing this value will automatically recalculate the center and span levels Halfway point between high and low levels Editing this value will automatically recalculate the high and low levels Lowest level during scan Editing this value will automatically recalculate the center and span levels High level minus low level Editing this value will automatically recalculate the high and low levels You must enter an even number However the span can be an odd number if the difference between entered High and Low levels is an odd number Scan is defined by a specific frequency step size and a specific dwell time at each frequency Scan is de
18. 1 Hz This permits the maximum frequency to be 5 000 kHz provided the duty cycle is 50 Rather than set the on off times individually you may instead set a frequency and duty cycle in the yellow area If the frequency entered is near the limits of 31 Hz or 5 kHz the duty cycle must be at or near 50 so that the minimum or maximum on off times are not violated If the entered frequency permits the duty cycle may be set from 1 to 99 in 1 increments The Frequency and Duty cycle values shown just below the settable values indicate the actual frequency and duty cycle resulting from the on and off times User Manual for TPI 1001 A Signal Generator Version 1 0 14 If Cycles is selected in the blue area you may set the number of modulation cycles for the modulation to run from 1 to 60000 cycles When Square wave AM is selected in the Modulation Active group the RF output will be modulated by the selected square wave parameters If Auto RF out on off is checked the RF output will be turned on when modulation begins and will be turned off when modulation ceases While modulation is running the Power out value in the Current State group will indicate the on level While square wave AM modulation is running a red bar will flash above the Modulation tab See Figure 6 E 20 dBm Detector is OFF Modulate Square RF outputis ON can Analyzer Script System About B
19. PI Link help may be invoked by clicking the Show Help button above the tabs or pressing F1 at any time A new window will appear that has tabs to match those in TPI Link The help window will open with the same tab selected as in the main window so as to direct you to appropriate help The help window also has an I O Location tab that shows an image of the unit s end plates with the features identified See Figure 38 The labels are clickable links that will switch to and highlight the help for that feature on the I O Description tab Conversely if the help text on the I O Description tab is clicked it will switch to the I O Location tab with that feature s label highlighted AA ing TPI Link Help 1 vo Description Link Generator Modulation Scan Analyzer Program System Auxiliary power input Reference output 10 MHz Aundliary input Extemal reference input 10 MHz RF detector input Trigger output RF out function LED RF output on off button Power LED Figure 38 Help I O Location tab User Manual for TPI 1001 A Signal Generator Version 1 0 42 4 Specifications Size W x L x H includes connectors 4 ete cierta 5 1 x 7 8 xL35 Wei htni tan o ee tel A 1 Ib 3 oz Supply Voltage sa A eni ae ERU 5 V DC Supply current ate diet oe oe TU VO diio boa EO A aaa Aad hi ee i edu de 380 mA User Manual for TPI 1001 A Signal Generator Version 1 0 43 5 Revisions Version 1 0 January 19 2015 Use
20. Synth lock signal Output is active while the synthesizer s PLL is locked RF output state Output is active while the RF output is on Aux in gt threshold Output is active while the auxiliary input is above the threshold Frequency match Output is active while the RF frequency the match frequency Frequency gt match Output is active while the RF frequency gt the match frequency Active while scanning Output is active while the scanner is running Modulation square wave Output is active during square wave modulation on time Modulation beacon Output is active while RF is on during beacon mode Script controls trigger Output is activated when trigon script command is executed and deactivated when trigoff script command is executed User Manual for TPI 1001 A Signal Generator Version 1 0 37 Trigger Output Trigger Output Trigger Out Source Trigger Out Source None had Invert Trigger Output TU TR Synth lock signal Match 1000 000 MH RF output state 2 Ancin gt threshold Frequency match Frequency gt match Modulation beaco Scrip ig Figure 32 Trigger output The trigger output is high while active unless Invert Trigger Output is checked 3 3 6 4 Control Button The left button on the unit can be configured to control a number of functions See Figure 33 Figure 33 Control button on unit Figure 34 shows the list of selectable functions for the control button Sq
21. The cursor markers may be placed on the current trace C or any of the memory traces by changing the selection with the Trace to follow control shown in Figure 23 The trace selected must be visible to place a marker on it The X placed on the trace will be the same color as the trace This allows you to place the left click cursor marker on one trace and the right click cursor marker on a different trace see which marker is on which trace by its color and display the difference between their frequencies and or levels The difference text will appear in the color indicated by Color in the Markers group This group may not be visible if the memory controls are currently expanded User Manual for TPI 1001 A Signal Generator Version 1 0 28 3 3 4 6 Save Plot The display area of the analyzer may be saved to a file exactly as it appears in TPI Link Expanding the Save Plot group reveals the necessary controls See Figure 24 Select a file format png tiff or bmp and click Save Each file saved will be numbered sequentially The number that appears in the file save dialogue may be replaced with the file name of your choice Save Plot 4 Format pns y _Save Restart File Numbering Copy to Clipboard Figure 24 Save analyzer plot Clicking Copy to Clipboard will place a copy of the display area on the Windows clipboard to facilitate pasting into another application or document User Manual for TPI 1001
22. Trinity Nuclear Blast 0 016sec Trinity Power Inc 512 992 8657 TPI 1001 A User Manual Version 1 0 for the TPI 1001 A Signal Generator and the TPI Link Graphical User Interface Table of Contents 1 Introduction dia 2Ha O da os al Ma e eE AEE Seia 2 2 Theory ot OPIO RR 6 7 2 1 Connectors and Controls sssoesosseesossssoeoosseccossssssoossecsossssoossseesossssossssseesoso 8 9 9 3 1 installing v Br E TE 3 2 Running WEIL iia ET A Y M e eet Re 3 3 T Generator tab 5 nere oto o share eo eaae eee ro pen oae ona o do Fea sdas ou Yee cesa aloe aa sene eset eo PE aea doa Reed eua 12 3 3 11 GCSE 12 3 3 1 2 E a S E E TG OO ee Eu BO E UT E OO qu 13 3 3 1 3 RF O tp t en ERE GREEN FORERO ERREUR RR RS 13 A bod e DURER Rm DER d tus 13 323215 Maximize Performance oet ete ete eret e eR ett eae ee ee Pe eed e ge E eU Ure tede 13 3 3 2 Modulation tab 3 3 eee e oe ro Paare o oen aee ro pea eoo na eee Foo PE nU eo Pen Neue ostiis eseou serias TR RP EP rea isea 14 33 2 l Square Wave pE P 14 ESA T EE eO nan eo e 15 3 3 2 3 Frequency Modulation PE E E eene eene ne rt nenne nee ne nete rennen nennen ene 17 RNC 18 3 3 9 T Frequency TOUD ranr ayes i rie eU oir rei evt Uo cer is eoe etr ges 19 3 3 3 2 evel group ixi ccu ee ei ego uie e oe ii ERI en 20 3 333 SCAM T
23. ay be written by typing commands in the script commands box in the Script tab The following commands are permitted and must be entered in all lower case rfon Turn on the RF output rfoff Turn off the RF output setfreq n nnn Set the RF frequency to n nnn in MHz 35 000 to 4400 000 incfreq n nnn Increments the RF frequency by n nnn in MHz 4365 000 to 4365 000 setpwr n Set the RF output level to n in dBm 90 to 10 incpwr n Increments the RF output level by n in dB 100 to 100 wait Wait for operator to click Continue pause n nnn Pause for n seconds 0 001 to 60 000 beep Sound a beep through the computer s speakers trigon Turn the trigger output on trigoff Turn the trigger output off The first non blank character of a comment line must be Blank lines may be inserted anywhere for readability Comments and blank lines will be ignored The green Test button may be clicked at any time It will test the syntax of the script and report any illegal commands It will also color the text of a comment line green and the text of a command line blue for easier identification Any text typed in but not yet tested will be black Illegal command lines will be red The maximum number of script commands is 200 The green Insert button displays the list of commands and is a handy reminder of the available commands Clicking one of the commands in the list will insert that command at the cursor position See Figure 26
24. e trace according to the cursor s position on the X axis The frequency and level at the position of the crosshairs are displayed in the Cursor Markers group For the Cursor Markers group to be visible the X Axis Y Axis and Save Plot groups must all be rolled up See Figure 21 The drop down list in the lower right corner of the group must be set to C which indicates that the crosshairs will follow the current trace The color of the crosshairs will be that selected in the Markers group User Manual for TPI 1001 A Signal Generator Version 1 0 26 Link Generator Modulation Scan Analyzer Script System About Xais Wil an Y Axis Y Co Save Plot Y asor Make Freg 2 392 000 MHz h Level 41 97 dB Continuous c y Iv Show Large V Auto RFout Display Grid C Absolute Color D Grey Relative F Res Fine as Back Current Trace Color Orange Color Red y C Peak V Labels M Show trace O 3dB I wide M Bold L 800 000 MHz 1 700 000 MHz 2600000Mgz T 5d8 M ew Eu Figure 21 Cursor marker crosshairs If the left or right mouse button is clicked while the crosshairs are visible and Show is checked a X will be placed on the trace at that position Up to two markers may be placed one with each of the two mouse buttons Checking Large will increase the size of the X The frequency and level at the X will be indicated in the upper
25. eacon FM Iv Message 2 1005 Enable FM M Pause 1000 ms E cw 1000 ms Modulation Active C of Square wave AM C Beacon Square Wave Frequency 100 000 Hz Duty cycle 50 Ex Frequency 1000 000 Hz IV Auto RF out on off 3 3 2 2 Beacon Duty cycle 50 00 On 500 ys po 500 ps 2 Output off OOK e Attenuate 10 dB Low Level Off Continuous C Cycles 100 3 Duration Continuous IV Pause 1000 H ms Total period 5 100s Output off 00K C Attenuate 20 de Low Level Off dit time fos ms inter char 54 dits inter word 3 dts WPM 12 00 Figure 6 Square wave AM modulation running The Beacon group in the Modulation tab contains the controls to configure the beacon parameters A beacon consists of a Morse code message followed by a pause which is then sometimes followed by a continuous wave CW signal for a period of time The entire sequence repeats until manually terminated The Morse code message is sent by OOK modulation or reduced output level modulation In the yellow area there are four check boxes that represent the four possible components of the beacon sequence Checking a box will include that component in the sequence Therefore if a message followed by a pause followed by a CW period followed by another pause is desired all four boxes must be checked User Manual for TPI 1001 A Signal Generator Version 1 0 15 The duration of the two
26. ere e pt erroe 40 3 4 Help SySEOIIs det QUI Ee eae eoe yIVN Ve eb ex ac AZ A SDecIfICAtlOlls o i eee o tse voee ela Cocoa nonna na sede oa ode rene aa escasa an eta cuan e cea AS REVISION IRI E T User Manual for TPI 1001 A Signal Generator Version 1 0 3 List of Figures Figure 1 Connectors and Cont Sui di 7 EU DPI Link atdautih aso ooo piece bo eb a le tet is 10 Erre TPI Link liked do PPL OO Pi aes atte cate he teh te oec iet enhn 11 Figure 4 Generator Tab uu emisit attese ar e E AE E EE daa 12 Figure Modulation tadas 14 Figure 6 Square wave AM modulation running esee ener 15 Fig re 7 Beacon messagie A A e a a a E N dees TE anit pM e 16 Figure 8 BECOME A aiee ena a i ea idee dta 17 Figure 9 Enable PM ui date 17 Figure AG Prequeney CA a dsd 18 Fig re a d suba eta at enum La a a MIELE i 19 Fisure 12 Step level atter cach CM 21 AAA RH MR I Eos PARS E RUP e uinea e MERI REEId 22 Figure 14 Analyzer tab with detector TL osse e ta OR SI Re e ORIS UNSER AER I Ne a aUe 23 Figure 15 Analyzer tab with detector Otis e eura aces ir esee etta meet esa riga seas 23 Figure 16 Analyzer X axis parameters deseo itte tenute id 24 A Sos cac CM E CD 24 Fig re 18 Analyzer FUBDIDE a ou user eS On ase nasa udin eu i deri deste as ttes 25 Figure 19 Absolute and relative trace selection aia 25 Figure Z0 Predefined markets iaa 26 Figure 21 Cursor marker crosshairs oes eee RSS Qu dau n MAS QE qa IM SERM Dru 27 Fi
27. fined by a specific level step size and a specific dwell time at each level Total time for one scan is specified The frequency and level step sizes and dwells will be adjusted to fit the total scan time If the frequency step size or dwell time is edited while this option is selected the other parameter will be adjust as needed If a level scan is also selected Level group then the level dwell per step will be greyed out and will be automatically adjusted Total time for one scan is specified The frequency and level step sizes and dwells will be adjusted to fit the total scan time If the level step size or dwell time is edited while this option is selected the other parameter will be adjust as needed If a frequency scan is also selected Frequency group then the frequency dwell per step will be greyed out and will be automatically adjusted Step level after each scan If Step frequency by or Fit frequency span to is selected and Sawtooth in the Level group is selected then this checkbox appears See Figure 12 Checking this option will increment or decrement the level by the number of dB after each scan This option also forces Scan Repetition to Number of User Manual for TPI 1001 A Signal Generator Version 1 0 20 TPI Link SN 1 Link Generator Modulation Frequency Frequency Function C None Sawtooth step up Sawtooth step down Triangle up down C Triangle down up
28. gure 22 Cursor markers placed ue eee ha mete t teet i Hs 2T Figure 23 Analyzer Memos ect deste rie ia ira pedea i inq aie rat 28 Figure 24 Save analyzer plots se dixe pei ea t ope d ide dte asa Au Oven re idea 29 User Manual for TPI 1001 A Signal Generator Version 1 0 4 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35 Figure 36 Figure 37 Figure 38 A Ee ecd mass 30 Insert Script commands ie reet te een er v ra to dd i dm dre 32 SOLID UDOT se O hated a eel eos 33 Continue b ftob a u aeter o A eme eer desque a dp ia 33 S ript T bninpg IDOICAtOrus mu deir ee tote e ea vpn sme be uc e dts 34 System tab noci acs eite occum e ceni clue ect 36 Auxiliary input coerulea ale scot on et dac cen a dede Muse eei Rto 37 Trigger output erriei O ad 38 Control button on Ulsa lira 38 Control button Cont UM etapa l oen eee pa spe eu tva dee PER PED RA Eig 38 Save current state button and state changed asterisk sss 39 About tabon 40 II o 5455s bei deed Sel ramen tente toda A e a setae 40 Help DLO Location tabu a e Rp ert to vase E ope aes dti OUS 42 User Manual for TPI 1001 A Signal Generator Version 1 0 5 1 Introduction This user manual describes operation of the TPI 1001 A signal generator and the accompanying graphical user interface GUI TPI Link You should read and understand this manual prior t
29. how System Information will display basic system information which can be helpful in diagnosing performance issues with the GUI should they arise 3 3 7 2 TPI Link Options There are a number of options that can be set as seen in Figure 37 Options M Show hints when mouse hovers IV Wam if firmware and TPI Link are incompatible M Show state change indicator Vv Synchronize help tabs 0 Auto position margin pixels Figure 37 TPI Link options Show hints when mouse hovers will display brief information when mouse cursor hovers over many controls Warn if firmware and TPI Link are incompatible will display warning after linking with unit if firmware in unit is too old for TPI Link or vice versa Show state change indicator will display a red asterisk in the upper right corner of the window when any parameter is changed by the user that can be stored as a default User Manual for TPI 1001 A Signal Generator Version 1 0 40 Synchronize help tabs will automatically switch tabs when help window is displayed to follow selected tab in main window Auto position margin pixels sets the number of pixels of margin to leave when one of the four corner buttons is clicked in Auto Position on the Link tab it is useful to set this greater than zero to properly display the TPI Link main window in some versions of Windows with some display themes User Manual for TPI 1001 A Signal Generator Version 1 0 41 3 4 Help System T
30. indicate the level and frequency at the marker If 3 dB is checked and Wide is unchecked marker lines will indicate the first points found searching outward left and right from the peak marker that are 3 dB below the peak If Wide is checked the search is instead conducted from the edges of the graph inward until the first points are found that are 3 dB below the peak value The peak value does not need to be displayed for these points to be found If Labels is checked the vertical marker lines will be labeled with their frequencies If BW is checked the difference between the two frequencies will be indicated as the 3 dB bandwidth in the upper left corner of the display The 6 dB checkbox works the same way for the 6 dB points Link Generator Modulation Scan Analyzer Script System About XAis Wico Y Axis Y So Save Pol Cursor Markers Level Continuous v Show T Large 3 Auto RF out Display Grid C Absolute Color D Grey y Tee WI res fine x Bacou Back y rd CN Color Orange Color Red w M Peak Iv Labels M Show trace M 3dB M Wide M Bold iv 6dB Iv Bw IV Average 800 000 MHz 1 700 000 MHz 2 600 000 MHz Figure 20 Predefined markers The other type of marker is called a cursor marker because it is positioned arbitrarily by the mouse cursor As the mouse cursor is moved over the display area crosshairs appear in the display and follow th
31. irectly edit any parameter Be sure to hit lt enter gt after typing in a new value Editing the start or stop value will automatically recalculate the center and span values and vice versa You can also set the number of points across the frequency span that will be measured and the dwell time at each frequency before the measurement is taken The minimum number of points is 11 and the maximum number is 450 The dwell per point can range from 2 ms to 500 ms The start center and stop frequencies will be used to label the X axis on the display See Figure 17 1 275 000 MHz 1 675 000 MHz 2 075 000 MHz Figure 17 X axis labels After Start is clicked the X axis group will be disabled because you cannot change these parameters while scanning Figure 18 shows the display with a band pass filter connected between the RF output and the RF detector input The RF output level is that set on the Generator tab If Auto RF out is checked the RF output will be turned on when the analyzer starts running and off when it is stopped If Continuous is not checked the analyzer will run for only one scan of the frequency span and then stop 3 3 4 2 Analyzer Y Axis Parameters The Y axis may be expanded and the scaling parameters changed while the analyzer is running or after it has stopped If Auto scale is checked the Y axis max and min values will automatically expand to ensure that the entire plot is visible If Expand only is
32. maximum or minimum value allowed for the frequency being generated that maximum or minimum value will be used instead The script text will not be altered to indicate this Exactly one space must be present between setpwr and the level value Increments the RF output level by n in dB The acceptable range is 100 to 100 Any decimal portion of n will be truncated If the incremented level exceeds the maximum or minimum value allowed for the frequency being generated that maximum or minimum value will be used instead The script User Manual for TPI 1001 A Signal Generator Version 1 0 34 wait pause n nnn beep trigon trigoff text will not be altered to indicate this Exactly one space must be present between incpwr and the value Temporarily suspends operation of the script and waits for operator to click Continue or press the command button if it is configured for script control While waiting the unit and TPI Link consider the script to still be running Pauses operation of the script for n seconds The acceptable range is 0 001 to 60 000 The decimal portion is optional and may contain any number of digits However the value will be rounded to the nearest millisecond Exactly one space must be present between pause and the time value When executed this command will sound a beep through the computer s speakers if TPI Link is running and linked to the unit Note that the beep will sound from the computer
33. n exponential moving average with a 20 current trace weighting is applied to the trace This tends to reduce the effect of noise on the trace 3 3 4 3 Analyzer Display Parameters The grey box in the Display group includes Absolute and Relative selections When Absolute is selected the detector value is displayed as an absolute level in dBm This is the default If Continuous scans are selected a green Store button is available after one complete scan has completed See Figure 19 Clicking Store will temporarily save the trace in memory Then when Relative is selected the displayed trace will be that read by the detector minus the stored trace This has the effect of cancelling out any losses incurred by connectors cabling and any minor response irregularities To use this feature the DUT must be removed from the circuit and bypassed while storing the absolute trace Then Relative must selected while the DUT is in the circuit Absolute c ES C Relative y Figure 19 Absolute and relative trace selection User Manual for TPI 1001 A Signal Generator Version 1 0 25 3 3 4 4 Markers There are two kinds of markers available The Markers group within the Display group will place markers at predefined positions on the current trace See Figure 20 Checking Peak will place a marker at the peak value of the current trace If Labels is also checked text next to the marker will
34. n up Level Level Function None Sawtooth step up Sawtooth step down Triangle up down Triangle down up Current scan number Curent State Frequency Power out Power in State Scanning 15 RF output RFoutputis ON E Link Generator Modulation Scan Analyzer Script System About Scan Control Step frequency by C Step level by O Fit frequency span to C Fitlevel span to WV RF output auto on off Scan Repetition Inter Scan Interval C One scan 100 ms between scans Continuous scans E RF output off between scans Number of scans 100 TE Hold end of scan freq level Scan State gt n E Scan Pause Stop Figure 11 Scan running An explanation of each control follows 3 3 3 1 Frequency group None Sawtooth step up Sawtooth step down Triangle up down Triangle down up High Center Low Span Do not alter the frequency while scanning Increase frequency during scan Decrease frequency during scan Increase frequency during first half of scan decrease frequency during last half of scan Decrease frequency during first half of scan increase frequency during last half of scan Highest frequency during scan Editing this value will automatically recalculate the center and span frequencies Halfway point between high and low frequencies Editing this value will automatically recalculate the high and low frequencies Lowest frequency during scan Editing
35. not checked then the Y axis max and min values will also automatically be reduced to just include the plot If external attenuation is inserted in the signal path between the device under test DUT and the detector input enter the External attenuation value in dB The display will then add that value User Manual for TPI 1001 A Signal Generator Version 1 0 24 to the detector level indicating the output level of the DUT This value may not be altered while the analyzer is running Current scan position TPI Link SN 1 Trinity Nuclear Blast 0 016 s Current State Frequency Power out Power in State RF output Show Help Analyzer running 0 dBm AnAlyzer running A alyzer running AF outputis ON Q a s Link Generator Modulation Scan Analyzer Script System About X Axis s YAxis oF Extemal attenuation 4 dB Stan Max 10 dB E c Min 703 dB Er Auto scale V Expand only V Auto RF ou Di my Grid ME Relative v Res Fine y es ad Black Grant Trace Color Orange y Color Red y Peak IV Labels M Show trace T 3dB wide M Bold L 800 000 MHz 1 700 000 MHz C 6dB M bw M Average 2 600 000 MHz Figure 18 Analyzer running The display group includes a number of controls for customizing the appearance of the display If continuous scans are running the Average checkbox is available If checked a
36. o attempting to power and operate the unit The TPI 1001 A is a digitally controlled RF signal generator capable of generating an RF signal in the frequency range of 35 MHz to 4 4 GHz at calibrated levels from 10 dBm to 80 dBm An internal microcontroller MCU gives the unit excellent performance and the option of stand alone operation The TPI 1001 A communicates with the host computer Windows and derives its power via a USB port Modulation modes include e FM e AM square wave with adjustable duty cycle e Automatic beacon OOK includes Morse code generation A number of additional features make the TPI 1001 A extremely versatile and include Internal or external 10 MHz frequency reference Frequency and or level scanning ramp up ramp down or triangle Wideband RF detector input scalar network analyzer User script execution Auxiliary analog input can perform a variety of functions Trigger output can trigger on a variety of events Stand alone operation no computer needed for many functions The GUI TPI Link runs on a PC and communicates with the unit via the USB port TPI Link can completely configure and operate the unit The unit s configuration can be saved in nonvolatile persistent memory in the unit for use each time the unit is powered For this reason TPI Link does not necessarily have to be running whenever the unit is in use but it facilitates many real time activities and can monitor the various power supplies
37. odili n Scan Analyzer Sort System About Modulation Active Square Wave FM Enable FM e of Frequency 1000 000 Hz age Square wave AM d d Beacon ea a 30 3 M Pause 1000 E ms Frequency 1000 000 Hz V cw 1000 zd ms FJ AuoRFouor or Verde 50 00 F Pause 1000 H ms On 500 ps Total period 5 100 s OL 39 ys opt ot COW e off C AA Qi clin 00K Attenuate 20 dB e Attenuate 10 dB Low Level Off Low Level Off diese fo sias Continuous interchar 3 dis Cc Cycles 100 3 inter word 7 dits Duration Continuous WPM 12 00 Figure 5 Modulation tab 3 3 2 1 Square Wave AM The Square Wave group in the Modulation tab contains the controls to configure the square wave parameters In the green area the RF output may be cycled on and off known as on off keying OOK modulation or its level may be cycled between two fixed levels If Attenuate is selected the output level during the off time will be the indicated number of dB below the current RF output level as set in the Generator tab The Low Level value shown just below Attenuate is the current output level minus the attenuation value but limited to the minimum output level available for the current RF frequency The on or high level time and the off or low level time may each be individually set from 100 us to 16383 ps in 1 us increments with the requirement that the minimum allowed frequency is 3
38. on is clicked again it will cancel the operation 3 3 1 3 RF Output Clicking the RF output on off button will toggle the state of the RF output This may also be done by clicking the purple RF output text in the Current State group above the tabs 3 3 1 4 Reference The Reference group allows you to select the internal reference or the external reference input When the external reference is selected the internal TCXO is powered down Clicking the Ref output on off button will toggle the state of the reference output Whichever reference is selected will be output on the Reference output connector when the Reference out indicator is blue 3 3 1 5 Maximize Performance When Low spur mode is selected dither is enabled Dither randomizes the fractional quantization noise so that it resembles white noise rather than spurious noise As a result the synthesizer is optimized for improved spurious performance For best noise performance use the Low noise mode option When the low noise mode is selected dither is disabled This mode ensures that the charge pump operates in an optimum region for noise performance User Manual for TPI 1001 A Signal Generator Version 1 0 13 3 3 2 Modulation tab Figure 5 shows the Modulation tab Three types of modulation are available square wave AM beacon and FM SE TPI Link SN 1 TPI Link i ms DC OFF Generator RF outputis OFF Unk Generator M
39. pt tab See Figure 29 F TPI Link y 100000 mz ower out 30 dBm Power in Detector is OFF ESE State Script running Trinity Nuclear Blast 0 016 s RF output RF output is OFF O AS a Link Generator Modulation Scan Analyzer Script System About Figure 29 Script running indicator 3 3 5 5 Script Commands Following is a detailed description of each script command rfon rfoff setfreq n nnn incfreq n nnn setpwr n incpwr n Turns the RF output on if it is off Turns the RF output off if it is on Sets the RF frequency to the value indicated by n nnn in MHz The acceptable range is 35 000 to 4400 000 The decimal portion 1s optional and may contain any number of digits However the value will be rounded to the nearest kHz Exactly one space must be present between setfreq and the frequency value Increments the RF frequency by the value indicated by n nnn in MHz The acceptable range is 4365 000 to 4365 000 The decimal portion is optional and may contain any number of digits However the value will be rounded to the nearest kHz If the incremented frequency exceeds the maximum or minimum frequency allowed for the unit that maximum or minimum value will be used instead Exactly one space must be present between incfreq and the value Sets the RF output level to n in dBm The acceptable range is 90 to 10 Any decimal portion of n will be truncated If the value of n exceeds the
40. r Manual for TPI 1001 A Signal Generator Original version Version 1 0 44
41. rt the auxiliary input to ground and set the threshold to 0 3 volts When the switch is closed the input voltage will fall below the threshold and will trigger an event if User Manual for TPI 1001 A Signal Generator Version 1 0 36 lt Thresh is selected Conversely if gt Thresh is selected the event will be triggered when the input voltage rises above the threshold Figure 31 shows the list of selectable actions associated with the auxiliary input The descriptions imply crossing the threshold in the direction selected gt Thresh or lt Thresh RF out on while active The RF output will turn on when the input crosses the threshold and off when it crosses back Turn RF out on The RF output will turn on when the input crosses the threshold Turn RF out off The RF output will turn off when the input crosses the threshold Scan while active Scan will run when the input crosses the threshold and will stop when it crosses back Start scan Scan will start running when the input crosses the threshold Stop scan Scan will stop running when the input crosses the threshold Pause scan Scan will pause when the input crosses the threshold Auniliary Input Threshold 2 00 E volts 2 Thresh lt Thresh Aundliary Input Action None m Figure 31 Auxiliary input 3 3 6 3 Trigger Output The trigger output is a digital 3 3 volt output Figure 32 shows the list of selectable sources for the output
42. s reason each command executed by the unit will be sent to TPI Link and displayed in the Script commands executed box in the Unit Control group The text in this box cannot be edited The box will be cleared each time Run is clicked See Figure 27 Unit Control Run C Run usly Number of runs Run Stop Script commands executed setfreq 100 000 setpwr 30 Figure 27 Script running If a wait command is encountered the script will stop executing and a Continue button will appear See Figure 28 Click the continue button to resume execution of the script or hit lt enter gt on the keyboard The command button on the unit may also be pressed to continue execution if configured for script control Unit Control Run once Run continuously Number of runs gt gt im Run Continue Stop Script comphands executed Figure 28 Continue button Clicking Stop will immediately terminate running of the script The unit will be left in whatever state it was when stop was clicked Pressing the command button will also stop running the script 1f it is configured for script control User Manual for TPI 1001 A Signal Generator Version 1 0 33 If Run continuously or Number of runs is selected script execution will continue immediately with the first command in the script following execution of the last command While the script is running a red bar will flash above the Scri
43. sing frequency modulation so that the synthesizer output will be muted while switching frequencies until the PLL is locked User Manual for TPI 1001 A Signal Generator Version 1 0 17 3 3 3 Scan tab The unit can automatically scan a frequency and or level range at a desired step size and step rate The great number of options can be a little daunting so let s begin with the simple case of scanning the frequency from a starting frequency to a higher frequency at a fixed level Figure 10 shows the scan set to begin at 100 MHz and increase the frequency by 1 MHz every 10 ms until 200 MHz is reached The center frequency is therefore 150 MHz and the frequency span is 100 MHz One scan will last for 1 010 seconds 101 distinct frequencies x 10 ms per frequency after which the unit will pause for 100 ms before starting the scan over During the pause the RF output will remain on and the frequency will reset to 100 MHz in preparation for the next scan The scan will keep repeating until 100 scans have completed Then the RF output will turn off TPI Link SN 1 TPI Link Frequency 165 000 we Stone Power out 20 dBm Power in Detector is OFF State Generator st 0 016 RF output RF outputis OFF Link Generator Modulation Scan Analyzer Script System About Frequency Scan Control Frequency Function Frequency Limits Scan Type C None High 200 000 MHz z Step frequency by 1000 MHz every 10 ms Step level by Sawtooth s
44. such lines exist the last one to appear in the file will be read as the script name The green Clear button erases all script text and the script name If the script hasn t been saved to a file since being edited you will be asked if you are sure you wish to clear it 3 3 5 3 Storing a Script in the Unit Clicking the Send button in the Unit group will first test the script for errors and will then send just the script name and the commands from the script to the unit and store them in nonvolatile memory in the unit Any blank lines or comment lines are not sent Therefore if the script was written in TPI Link and you wish to preserve the script exactly as written including comments and blank lines for later use you must save it to a file Clicking Read will display the script that is currently stored in the unit A End of script comment line will be appended to the commands read from the unit User Manual for TPI 1001 A Signal Generator Version 1 0 32 3 3 5 4 Running a Script Click Run in the Unit Control group to run the script that has been stored in the unit It is important to understand that the script that will be run is that one that has been sent to the unit This may not necessarily be the script that is displayed in TPI Link which may be the case if the displayed script has been edited cleared or overwritten by loading another script file since it was sent to the unit For thi
45. t None then the level jog controls appear while the scan is paused Clicking the up or down level arrows will increment or decrement the level by the level step size Note that it is possible to jog the level outside the set level span When scanning is resumed the level will immediately jump to where it left off when paused While paused the level may also be jogged by holding down ctrl and using the up and down arrow keys on the keyboard Stop Click to terminate scanning or type S for stop User Manual for TPI 1001 A Signal Generator Version 1 0 22 3 3 4 Analyzer tab Figure 14 shows the analyzer tab with the detector powered off Click On in the Detector group to power the detector Trinity Nuclear Blast 0 T s i RF output is OFF 15 x TPI Link xum ws Link Generator Modulation Scan Analyzer Script System About Y Axis Save Plot Cursor Markers Freq Level V Show T Large cH S Display E J Res Fine uann Black x Current Trace Color Ora Orange y Color Red y Peak I Labels Y Show trace C 348 Wide M Bold C 6dB Mew IV Average Figure 14 Analyzer tab with detector off With the detector on the Power in value in the Current State group will indicate the power level received at the RF detector input See Figure 16 TPI Link SN 1 E iot xl dl State TPI Link 1655 000 MHz c Aum in 0 0 dBm gt Sta
46. t of 10 MHz reference This output can be turned on and off in TPI Link FM input BNC 0 V to 10 V5 Sinewave Input for externally supplied frequency modulation signal Must have FM enabled in the modulation tab USB port mini USB TPI Link communicates with the unit and supplies all required power via this connector User Manual for TPI 1001 A Signal Generator Version 1 0 7 Auxiliary power input mini USB Alternate input for powering the unit The data lines are not connected 5 V DC and capable of 450 mA Power LED green Flashes while unit is booting uploading new firmware or waiting in a script otherwise is on solid and indicates that the unit is powered on RF Out function LED red Flashes while unit is modulating scanning or running a script and the RF output is on Otherwise it s on solid while the RF output is on and no function is running Control button left button The function of this button is programmable in TPI Link RF output on off button right button manually toggles the RF output on off 2 2 Theory of operation The TPI 1001 A signal generator has at its heart the Analog Devices ADF4351 synthesizer which can generate signals from 35 MHz to 4 400 MHz The output from this device is amplified by a broadband microwave amplifier and attenuated by a series of digitally controlled attenuators before being output via the RF output SMA connector The frequency reference for the synthesizer is an
47. tate of the unit and many parameters are saved in nonvolatile memory in the unit for use as power on defaults Whenever the user modifies one of these values a red asterisk will appear in the upper right corner of the TPI Link main window See Figure 35 Clicking the Save Current State and Parameters as Default will save the changed parameters as the new defaults Power On Default c1 xj A wx Figure 35 Save current state button and state changed asterisk Alternately you may click the red asterisk and a dialogue will appear allowing the parameters to be saved This saves you from first needing to switch to the System tab to save the current state as default The active states which may be saved as power on defaults are e Square wave modulation Unit will begin square wave modulation after boot e Beacon modulation Unit will begin beacon modulation after boot e Scan Unit will begin scan after boot User Manual for TPI 1001 A Signal Generator Version 1 0 39 3 3 7 About tab The About tab displays the version of TPI Link and the copyright information See Figure 36 TPI Link SN 1 TPI Link 25000 mHz Power a Detector ia OFF State Generator RF output RF output is OFF Link Generator Modulation Scan Analyzer Script System About TPI Link Version 1 000 by Phil Carlson 2014 2015 Trinity Power Incorporated Figure 36 About tab 3 3 7 1 System Information Clicking S
48. te Generator Trinity Nuciear Blast 0 016 s RF output RF output is ON 10 dBm 0 dBm Y Axis v Figure 15 Analyzer tab with detector on The RF level detector is a broadband detector If there are any harmonics present in the signal they will add to the fundamental level increasing the overall detector level The analyzer feature acts like a scalar network analyzer It will scan the unit s RF output frequency at a fixed level and plot the detector level measured at each frequency The detector is calibrated at TPI over the entire frequency range to 1 dB The unit s RF output is also calibrated User Manual for TPI 1001 A Signal Generator Version 1 0 23 to 1 dB Therefore the worst case analyzer display tolerance is 2 dB although it is typically better than this 3 3 4 1 Analyzer X Axis Parameters When the detector is turned on the background and grid if enabled is displayed Before clicking Start you need to specify the frequency range to scan This is entered in the X Axis group and is independent from the frequency values set in the Scan tab To view the X axis parameters click the text X Axis or the down arrows next to it The group will expand to show the parameters See Figure 25 XAxis 4 Start 1275 000 MHz Center 1675 0000 MHz Stop 2075 000 MHz Span 800 000 MHz Measure 200 points Dwell per point 2 ms Figure 16 Analyzer X axis parameters You may d
49. tep up 15000 Center 150 0000 MHz Fit frequency span to 1 010 seconds Sawtooth step down Low 100 000 MHz C Fitlevel span to Triangle up down Triangle down up Span 100 000 MHz IV RF output auto on off Scan Repetition Inter Scan Interval Level C One scan 100 ms between scans Level Function Continuous scans RF output off between scans None Number of scans 100 Hold end of scan freq level Sawtooth step up Sawtooth step down Scan State C Triangle up down C Triangle down up Figure 10 Frequency scan To begin scanning click the green Scan button Clicking Pause will freeze the scan in the current state Clicking Scan again will resume scanning from the paused state Clicking Stop at any time will terminate the scan and leave the current state at the point in the scan where Stop was clicked When Scan is clicked following a stopped or self terminated scan scanning will begin with the initial frequency in this case 100 MHz While the scan is running a red bar will flash above the Scan tab See Figure 11 In addition if Number of scans is selected the current scan number will be shown in the Current State group User Manual for TPI 1001 A Signal Generator Version 1 0 18 Trinity Nuclear Blast Frequency Frequency Function Frequency Limits Scan Type None Sawtooth step up Sawtooth step down Triangle up down Triangle dow
50. uare Wave Modulation Toggles square wave modulation on off Beacon Modulation Toggles beacon modulation on off Scan Starts stops scanning Script Starts stops script execution also continues if script is waiting Control Button Control Button Function None b None Square Wave Modulation Beacon Modulation Scan Scrip Figure 34 Control button configuration 3 3 6 5 Calibration The unit is calibrated at TPI and a calibration file is created The calibration is also stored within the unit in nonvolatile memory If for some reason the calibration in the unit becomes corrupted you may reload the calibration from the file by clicking the Load Calibration from File button User Manual for TPI 1001 A Signal Generator Version 1 0 38 3 3 6 6 Sanitize If the unit has been used in a classified environment it may be necessary to purge the values of various parameters which will return the unit to an unclassified state Clicking the Sanitize Frequency and Power Settings button will perform this function See Figure 30 After clicking the button you will be asked twice if you are sure you wish to sanitize the unit TPI Link then instructs the unit to return all frequency and power level parameters to the original default values and save these values in nonvolatile memory as the new defaults After clicking OK in the ensuing dialogue you must power down the unit TPI Link will then close 3 3 6 7 Power On Default The s
51. use 11000 ms On 500 ys Total period 15 200s of 80 ys Output off 00K Output off 00K C Attenuate 20 de e Attenuate 10 dB Low Level Off exisse ael dit time 100 ms Continuous interchar 3 3 dits C Cycles 100 3 inter word 7 dits Duration Continuous WPM 12 00 Figure 8 Beacon running 3 3 2 3 Frequency Modulation The RF output frequency of the unit may be modulated by applying a sine wave to the FM modulation input BNC connector This signal will modulate the output of the loop filter thereby modulating the frequency of the synthesizer The Peak to Peak voltage will set the deviation of the FM The FM sinewave input must be between 0 V DC and 10 V DC max For example if you are entering a 1 Vpp AC signal it should be 0 V to 1 V DC Because the FM modulation input is always connected to the loop filter there is no restriction on when the output will be frequency modulated However the synthesizer incorporates a feature which will mute its RF output when the output frequency deviates too far from the programmed frequency resulting in the loss of PLL lock This feature can be disabled by checking the Enable FM box shown in Figure 9 When this box is checked the MTLD mute till lock detect feature is disabled allowing much larger peak to peak sine wave signals to modulate the output frequency FM V Enable FM Figure 9 Enable FM It is recommended to keep this box unchecked if not u
52. w scan will commence following the completion of the previous scan and any inter scan interval The set number of scans 2 to 60000 will be executed Then scanning will terminate 3 3 3 5 Inter Scan Interval ms between scans RF output off between scans Hold end of scan freq level 3 3 3 6 Scan State Scan User Manual for TPI 1001 A Signal Generator Set a desired pause between consecutive scans 0 to 60000 ms Check to mute the RF output between scans Check to prevent unit from resetting initial frequency and level until the end of the inter scan interval Click to begin scanning or type G for go 21 Version 1 0 Pause Click to pause scanning or type P for pause Pause does not turn the RF output off While paused additional controls appear See Figure 13 Scan State Scan Pause Stop Figure 13 Scan State controls Frequency jog arrows If the Frequency Function is not None then the frequency jog controls appear while the scan is paused Clicking the up or down frequency arrows will increment or decrement the frequency by the frequency step size Note that it is possible to jog the frequency outside the set frequency span When scanning is resumed the frequency will immediately jump to where it left off when paused While paused the frequency may also be jogged by holding down ctrl and using the left and right arrow keys on the keyboard Level jog arrows If the Level Function is no
53. with the right mouse button and would have an R before the frequency and level text This helps to identify which mouse button to press to replace a particular cursor with a new one 3 3 4 5 Memories Clicking the down arrow in the grey box of the Display group will expand the box to show the memories controls There are four memories that can be used to temporarily store the current trace These memories are volatile and will be cleared when TPI Link closes The trace in each memory can be made visible by checking the box in the Show memory column In addition the color may be specified for each memory trace See Figure 23 Cursor Markers ae Continuous C iz Show T Large c 7 Auto RF out Display Grd C Absolute Color D Grey Relative F Res Fine y Show memory Bold z5 m Yelow x lol Trace al Ta Green y cy fed m a Y Show trace Dl E 3 Bue Y Bold Ta Pupe AO m ues Figure 23 Analyzer memories Clicking the green C button for a memory will copy the current trace into that memory The drawing order of the traces is 1 Memory 1 2 Memory 2 3 Memory 3 4 Memory 4 5 Current Trace Therefore if you store the current trace in a memory it will not immediately be visible if the current trace is shown as it will be drawn over all memory traces If you wish to view only the memory trace s and not the current trace uncheck Show trace in the Current Trace group
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