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User Manual Version 1.35

1. uunesssseeenssnnennnnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 8 2 3 Notes on Disposal en ee ee 9 2 4 PECON e ae ee ee 9 3 Instalati MisE cscs ene ve eee en oe een anna iE cues RAEES 10 3 1 POWER SUPPI eee ee eee ee ere 10 3 1 1 HO PONC ee E ee ee 10 3 1 2 Operallondal GroUNd 2 0 10 3 1 3 Battery OBEFALOT ee essen ee nee 10 En IL ATOW erco seen sg gecnedeas edocs EIN EIERENN EIERN NIE T E 10 3 2 Connections on the back side 2u00202200nneene nennen nnnnnn nenne nnnnnnnnnnene nen 11 4 OS ACU accion scene cnc sc eseace RE FEEEEURCEEEE RER NE EEREEEPDEFELENFDEEEEEEENEER EENERERTEEURERUEEREREEIERE EEREUER 12 4 Controls on the OG actrees ntacnarat siaa nae abstain aE aapa 12 4 2 MENU OCE ee ee ee 13 4 2 1 FUN CON ROY 6 ee ee ee ee 13 42 2 MONE gt ee ee ee ee ee een 14 4 3 Details on the Main Menu uuusnsseeenenenennnnnennnnnnnnnnnnnnnnenennnnnennnnnnnnnnene nn 14 43 1 BAND S lection F 1 een ee 14 4 3 2 Operation Mode Selection MODE F2 nnsessnnussennnesnnnresrrrresrrrrenenn 15 4 3 3 Filter Bandwidth Selection FILTER F3 ee ccecceceeeeeeeeeeeeeeees 15 43 4 Selection OPTION F4 ae 15 1 4 ate Oro 9 ol Da ee ea een ee 16 AL GENE ee ee A en ae 16 4 4 2 Configuration of the VFO S ee ccccceseccecesseeeersoneeeetseeeseneeuseeessones 17 4 4 3 Simultaneous Operation of multiple VFO S cc cecceeeeeeeee ees 17 1 4 2 yO DI OPERA sce eae enters E O EEEE OAR 17
2. Use the F2 submenu AN TNR at CONFIG Tx MORE to configure the antenna tuner o F2 OFF The antenna control is deactivated The F TUNE button has its normal function e g to send out a carrier for manual tuning o F2 MAN When pressing the F TUNE button the first time a control signal START is sent to the tuner Pressing F TUNE again stops the control signal During this period a carrier is sent out with power limited to 10W o F2 AUTO The same function as MAN but the tune sequence will be terminated by the tuner with its signal KEY The timing diagram below shows the interaction of the signals The signals involved are o IO 1 input on TRX for the converted logic signal KEY from AT o IO 2 logic level output of signal START o START control signal to AT o KEY confirmation signal from AT Start Tune Ne 10 2 3 3V 0V o Oooo 7 5V START 0V 5V End Tune x KEY OV 3 3V IO 1 n Below is a simple interface circuit to convert the logic signals from transceiver to the control voltages of the antenna tuner 13 10 2010 Seite 42 O START 3K3 10 2 o NPN GND O GND TRX lt 3K3 A Tuner 1KO IO 1 O KEY 1KO 5V The tuning procedure at the AT 130 AT 140 may take several seconds for a new unknown antenna The frequency of the tuning carrier is set to the suppressed carrier of the SSB signal Thus there is no audible interference tone on the o
3. The insertion loss of all filters is stored in the personality file in order to correct the S Meter reading Both inputs of the PSL2 equipped with overvoltage detectors Maximum signal strength is 100mW or 5Vp for impulse noise If this limit is crossed the Rx input will be separated from the input terminal for about 6 seconds A dB Bandpassfilter 1 0 0 20 The graph shows the 40 attenuation of the first BP filter at f 1 85MHz The 6 0 tolerance mask for the 6 grid is drawn red 8 0 10 0 1 6 1 7 1 8 1 9 2 0 2 1 Freq MHz 13 10 2010 Seite 45 ADAT The following block diagram shows the arrangement of the different filters BP Filters 1 8 30MHz HP2 Filter 12MHz HP1 Filter 2MHz LP Filter 0 1 8MHz Bypass DSP Board Attenuator 0 35dB Overvoltage Protection To operate the PSL2 the option P2 must be activated in the personality file of your transceiver The menu CONFIG Rx MORE allows following settings Ar EZ GC o Fi PSEL2 selection of BPFLT narrow band pass filters HP 1 high pass filter 2MHz HP 2 high pass filter 12MHz BYPS bypass all filters only for tests o F2 CAL select the different filters for calibration see chapter 10 5 o F3 TEST this function allows to print out a table with the values of the filter attenuation via the USB interface SC FLT scan values just of the BP filter in use SC ALL scan all
4. are switched off and the transmitter is modulated with the 2 tone signal Both tones can be selected with F1 and F2 as follows o Fi 500Hz 700Hz 900Hz 1000Hz o F2 1100Hz 1500Hz 1900Hz 2200Hz E5 13 10 2010 Seite 54 ADAT Any combinations of both tones are possible The tones 1000Hz and 1100Hz are preferred to check the inband intermodulation which is a good indicator for the modulation quality power Pav The sum of the voltages of both carriers leads to the peak envelope power PEP and amounts in this case to exactly 2 Pav Remark the sum of the power of both carriers is equal to the mean 10 3 Scan Function For the exact measurement of the selective voltage levels over a predetermined frequency range the scan function can be used The following settings are possible o Start frequency F1 by means of the VFO1 Rx1 o Stop frequency F2 by means of the VFO2 Rx2 o Step width STEP in the range of 1Hz to 1000Hz per step While the scan function is in progress the measured level in dBm and the instantaneous frequency are transmitted for every step over the USB port The figure below shows a print out These data may be processed by an external program as MS Excel 7 150005 69 9 7 150015 70 2 7 150025 35 en Kai Example with a step width of 10Hz 7 150045 Tl 7 150055 74 8 7 150065 Bo 7 150075 87 8 13 10 2010 Seite 55 ADAT 10 4 PA Monitor Functions With the setting CONFIG SYST
5. win size Transmit CRHLF Cancel OK Auto window resize Terminal ID T100 C Local echo Answerback fs C Auto switch YT lt gt TEK The usage of the local echo is not recommended since the display will be filled with garbage and therefore the transfer is slowed down 11 4 Communications Test Type in MOD the ADT responds with the current mode SSB Type in FRA the ADT sends the actual channel and frequency COM17 9600baud Tera Term VT WIT igo Helo 1 6564359HHz 11 5 Download of new Firmware Copy the file to be loaded to the ADT 200A i e Download_Code_131b_SectO ldr in a separate directory To initiate a download enter the string DNL into the terminal The ADT 200A responds then with HDR 13 10 2010 Seite 58 Setup Control Window Help Under the tab File select the option Send File Then in a new window you can select the file to be loaded COM17 9600baud Tera Term VT Fie Edit Setup Control Window Help Tera Term Send file Suchen in Download Code 131b pi dat E Download_Filter_AM_FM_113 ldr E Download_Filter Cw SSB_113 Idr E Download_Filter_Tx_BP_113b Idr Dateiname Download Code_131b_p0 dat Dateityp Option Binary Important select the option Binary I The local echo must be switched off during the download Then select the button Open to start the download You can monitor the success on the display from A
6. TEST PA MON the following monitoring values are possible o TEMP shows the temperature of the MOS FETs in the PA o BIAS shows the current drawn by the power amplifier The bias current is factory set to 200mA It should remain within the limits of 180mA and 220mA Attention any change on the bias current has an influence on the adaptive predistortion and may result in a change in output power 10 5 Calibration of the Preselector PSL2 The calibration of the preselector is required only when it is first used in a device so that the parameters determined for the band pass filter are stored in the flash memory AS a preparation a reset of the database SYS DB and frequency base FRE DB is recommended Thereafter the output of the transmitter N connector ANT1 must be connected to the input of the preselector Rx In by a cable AN Attention do not transmit as long as this connection exists The numeric results of an ongoing calibration process can be monitored by a terminal program e g TeraTerm To start the calibration you must select CONFIG Rx MORE CAL and select consecutively the following options o PSEL2 start of the band pass filter calibration routine o S MTR determine the insertion loss of BP filter for S Meter correction o HPI compensate for the insertion loss of HP1 filter o HP2 compensate for the insertion loss of HP2 filter o LP compensate for the insertion loss of the low pass filter lt 1 8
7. 5 Operation OCS arises anne nenne aaa RR ee ee 19 3 1 OW ROCO 6 9 see een 19 5 1 1 Sideband SGISCUON rss an in a nenne 19 5 1 2 Setting the Rx Bandwidtn cc cceeeceessseeeeecsseeeceeeseeersenseeensenseees 19 5 1 3 Beat Frequency Oscillator BFO uus222uussssneennennnsnennnennnnneennnnn nenn 20 321 4 A tomatic Fine TURNGEr Eee 20 5 125 GW Fear File anne 20 5 4 6 Mod specific SOU GS une heienetauenss 20 5 2 E II Ve ee een 21 5 2 1 Adjusting the Output Power anne 21 5 2 2 TANS O e E EEE E E A 21 5 2 3 Mode specific SECTINGS cc ecccccceeccceeeeeeeeeeeeeeeeeeaeeseeecsuneeeeseeneeeeesaaeeees 22 Io T L RECOPUO ee ee ee 22 5 3 1 Selection of Sideband rsucceisuccctwinaiiniediianterseeiceuevedecaatanaestinnnndeareiovaade 22 13 10 2010 Seite 4 ADAT 5 3 2 Setting the Receiver Bandwidth 220000222200000nsenneeeneneeeeenn 23 5 3 3 Mode Specific Settings mussen 24 S34 Pass Band TUNING rrsan anaE E ONENE eE EE EAEE AEE 24 529 9 ETUZO ne E E E EE S 24 5 3 0 Notch Fiter rasant ara EEE een 25 5 3 7 Selection of Rx Antenna uunnuuunnseensuennnnnnnnnnnnnnnnnnnnnnnnnnnnnnn anne 25 934 Trans ml OSB eee eE ee eee ae eae ee eee ee eee 25 5 4 1 Output Power AdjUStMent 0 ce eccccccesccceeeeseeeeeeeeseeeeeaeseeeesaeeeeesaanes 25 5 4 2 Audio Source Selection ccc ceccccecsseeesseeeceeeeeeeeeuseueeeeeeeeeueeueaneneas 26 5 4 3 Microphone Gain Setting inte 26 5 4 4 Transmit Fi
8. MHz or 10 MHz This can be carried out by CONFIG SYST MORE REFCLK EXTCLK F1 In addition the option EXT CLK must also be configured with SOURCE F2 ag ela F3 Frequencies with a deviation of more than 40ppm or signals with too low level are detected and a status message is displayed on the top line of the big display For normal operation without external reference the SOURCE F2 must be set to the option TCXO o Fl EXTCLK Configuration of the Frequency of the external clock 1 MHz 5 MHz or 10 MHz o F2 SOURCE Reference source TCXO internal temperature compensated oscillator EXT CLK external reference source o F3 CALIB Reference source for the calibration of the internal TCXO EXTSRC Calibration with external reference frequency AM CAR Calibration with the signal of a broadcast sender 13 10 2010 Seite 44 ADAT 6 15 Preselector PSL2 All units with serial numbers 1004051 upward are equipped with the new narrow band preselector This unit is equipped with 48 automatic selected filters in the range of 1 8 30MHz These are second order band pass filters with a 1dB bandwidth of 9 12 relative to the mid frequency In contrast to the older preselector model PSM1B the narrow band filters do not allow concurrent multiband operation For these special cases there two high pass filters are provided Frequencies below 1 8MHz are decoupled from the higher frequencies by means of a lowpass filter
9. blue OHz red 200Hz Position of the suppressed carrier displayed Frequency 5 3 5 Equalizer The 3 channel equalizer can be configured in the menu OPTION M SPEC The centre frequency is 100Hz 550Hz and 3000Hz These filters can be changed with the functions EQ LOW EQ MID and EQ HIGH in the range of 18dB to 18dB in steps of 3dB The functions FILTER and PBT may degrade the effectiveness of the equalizer 13 10 2010 Seite 24 100 550 3000 Hz 5 3 6 Notch Filter The Notch Filter is realized by an adaptive LMS algorithm and is able to filter one or several CW carriers out of the received signal It can be switched on and off with the NOTCH button The status is indicated in the big display in the status column The depth of the notch is 60dB 5 3 7 Selection of Rx Antenna With the function CONFIG RX the antenna can be selected as follows o as TX the input Rx In is activated Rx In is ordinarily connected with the port Rx Out from the transmitter module PAM over a coaxial cable Instead of the direct connection an external preselector may be inserted o RX ANT serves for the connection of a separate reception antenna This input is protected against over voltage Hence use only this input for the connection of Rx outdoor aerials 5 4 Transmit in SSB 5 4 1 Output Power adjustment With the function CONFIG TX POWER the transmit power can be set in 16 steps in the range of 0 1 W to 50 W All adjustable po
10. signal is additionally amplified with a preamplifier of 20dB Line In en Audio Codec ELE MICRO 20dB DYN 2 5V 5 4 3 Microphone Gain Setting With the function CONFIG TX AUDIO MIC GAIN the modulation magnitude of the transmitter can be determined in the range of 30dB to 18dB in steps of 6dB Basically the transmitter cannot be over modulated However a too high setting has the disadvantage that the ALC is increasing the gain in speech breaks unnecessarily high and thus is producing annoying background noise 13 10 2010 Seite 26 ADAT To get the best microphone gain setting use the following procedure e Speak with normal loudness into the microphone e Increase the MIC GAIN beginning from 30dB gradually until the value of the output power corresponds to the selected power Increasing the gain further does not increase the transmit power 5 4 4 Transmit Filter Selection The NF bandwidth of the transmitter can be adjusted with the function CONFIG TX AUDIO FILTER For the lower cutoff frequency either 200 Hz or 300 Hz can be selected For the upper cutoff frequency 2400 Hz 2400 Hz 2700 Hz and 3000 Hz are available Follow the local license terms concerning the maximum NF range in many countries the maximum allowed bandwidth is 2700 Hz 5 4 5 Equalizer In the NF path of the transmit signal there is an equalizer with the same qualities as the equalizer in the receiver path It allows filtering the mod
11. signal value and is refreshed 30 times per second O Drag pointer preserves a peak value during 2 seconds and is a practical indicator of the reception report O The dBm readout shows the RMS value of a received signal It is refreshed twice per second O the dBuV readout as dBm however it shows the signal strength in dB relative to 1uV example 100uV 40dBuV S Meter Step S9 x dB Display Bar Drag Indicator Input Signal in dBm Input Signal in dBuV The S Meter shows always the Voltage on the antenna input independently of the setting of the preamplifier and attenuator The dBm power is related to an impedance of 500 13 10 2010 Seite 37 ADAT At high input levels or if the attenuator is set to 210dB the scale on top of the S Meter is moved by 10dB to the range from S3 to S9 60dB At even higher levels or if the attenuator is set to 20dB the scale shows values from S5 up to S9 70dB 6 5 Power and SWR Meter When the transmitter is on the S Meter is replaced by the Power und SWR Meter Power in W Bar shows PEP Effective Power Peak Envelope Power Standing Wave Ratio SWR Pav is the effective power which would also be measured by a thermal Power Meter In the image above a 2 tone modulation has been used with 2 carriers of 7 5 W each Because the amplitudes add themselves the peak envelope power PEP results in the fourfold value of a single carrier On a speech modulated SSB the d
12. the attached microphone cable Type of connector LEMO FGG 0B 307 CLAD52 13 2 Connections for an ICOM Microphone e g SM 20 lila weiss Mike Gnd Mike In Gnd 7 5V PTT Connector on the end of the adaptor cable viewed from the soldering side Remark the connection between pin 6 and pin 7 for units with numbers 1004051 and higher no longer required 13 10 2010 Seite 64 ADAT 13 3 Connections for an YAESU Microphone Mike Gnd 2 weiss Mike In 7 5V Connector on the end of the adaptor cable viewed from the soldering side Remark the connection between pin 6 and pin 7 for units with numbers 1004051 and higher no longer required 13 4 Morse Key m Ground Key Jack plug 6 3mm 13 5 Morse Paddle FE Ground Dot Dash Jack plug 6 3mm 13 10 2010 Seite 65 ADAT 13 6 Audio Connector on the Back Panel Mini DIN Audio_In Audio Out GND PA Switch _A PA Switch _B Between PA_Switch_A und PA_Switch_B there is a potential free relays contact Opto Relays to control an external Power Amplifier This contact can be used in any polarity and withstands max 60V 0 5A Connector type Mini DIN 5 pol 13 7 Data Connector on the Back Panel IO 2 Ctrl Ou AUC_A CLOCK In 5V GND NC TO 1 DATA In The pin arrangement is compatible with a PS2 keyboard Connector type Mini DIN 5 pol 13 10 2010 Seite 66
13. the used reference can be selected to 1 MHz 5 MHz or 10 MHz under EXTCLK F1 accordingly If EXTCLK and the reference deviate more than 20ppm of each other the message Frequency out of range appears in the top line of the display The level of the calibration signal must be 0 10dBm If the calibration process takes too long it can be terminated by setting CALIB to OFF The final tolerance can thereby be slightly higher Another method for frequency calibration is to use a known input signal which must be within a 5kHz grid This can be a strong AM broadcast station or a signal generator with an outputs signal of gt 60dBm o set the mode AM and tune Rx frequency close 1kHz to the reference o select AM CAR under CONFIG SYST MORE REFCLK CALIB o the calibration procedure takes about 5 seconds and is confirmed by Calibr completed The calibration result on both procedures above is stored in the non volatile Flash memory and is therefore independent of the battery backup After the firmware update from older versions up to 1 34b a new frequency calibration is required 10 2 2 Tone Test Signal To check the intermodulation of the transmitter with a Spectrum Analyzer or to verify the output power a very low distortion 2 tone signal can be generated internally The respective menu is located at CONFIG SYST TEST 2 TONE F1 ma E i With 2 TONE ON the external audio sources microphone etc
14. 0 2010 Seite 14 ADAT 4 3 2 Operation Mode Selection MODE F2 The following operation modes are selectable by MODE o CW R CW reverse equivalent to LSB Mode o CW CW normal o LSB SSB lower sideband o USB SSB upper sideband o SSB automatic sideband choice depending on the selected band o AM AM with Envelope Demodulator o AM SL AM synchronous lower sideband o AM SU AM synchronous upper sideband o FM Frequency Modulation not yet implemented 4 3 3 Filter Bandwidth Selection FILTER F3 The filter ranges are different for the modes of operation CW SSB AM and FM The filter tables are showed in the following chapters 4 3 4 Selection OPTION F4 The Function OPTION has several submenus as discussed below F1 a F3_ eS ea i 13 10 2010 Seite 15 ADAT o With the functional key F1 a submenu opens for settings of the AGC pea ws a o With the functional keys F2 and F3 the Attenuator and the Preamplifier are set These both functions compensate each other 5dB Attenuator and 5dB Preamplifier have the same effect as setting them both to OdB o Under the function M SPEC F4 Mode specific menus are available The operation is explained in the relevant sections of the operating modes M SPEC menus exist for the operating modes CW SSB AM and FM 4 4 The VFO Concept 4 4 1 General o To each of the four channels one Rx and one Tx VFO are assigned Therefore there is a total o
15. 1 Separate Rx Antenna for 0 01 30MHz Rx In to be connected with Rx Out 7 Audio l O and Control to Linear Amplifier Ethernet 10 100 BaseT for Web Module Data l O to connect a PS2 PC Keyboard Output for Loudspeaker 4 80 Channel B Input for Key or Paddle Output for Loudspeaker 4 80 Channel A Line In 3 pol 115 230Vac Main Switch Connection for Operating Ground Seite 11 ADAT 4 Operation 4 1 Controls on the Front S Meter and Tuning Step Power Meter selection Menu Keys Microphone Function Keys SELECT Knob AF Gain Tuning Knob On Off Key Off Standby A pinout drawing of the microphone connector can be found in Annex A 13 10 2010 Seite 12 ADAT 4 2 Menu Structure 4 2 1 Function Keys Many commands may be entered by the Function Keys F1 to F5 Soft Keys Submenu available with SELECT Knob selectable Option Function mal Function Key Selection of an Option e g MODE 1 Press the Key below the Function the Function appears now inverse 2 Turn the SELECT knob for the desired option 3 Push the Select knob for save or press the same function key again Some of the functions execute the command immediately such as the filter bandwidth or the output power The new parameter is activated without saving it first Functions with a W have a submenu for further selections The BACK key will always guide you back one step until you reach again the Main Menu 13 10 2010 Sei
16. 44 100 196 1 960 44 150 246 1 640 44 200 392 1 960 28 300 492 1 640 28 500 692 1 384 28 700 892 1 274 28 1000 1192 1 192 20 1200 1392 1 160 20 signal delay applies for the entire receiver 13 10 2010 Seite 19 ADAT 5 1 3 Beat Frequency Oscillator BFO The frequency of the CW tone can be configured with OPTION M SPEC BFO The available range covers 300 Hz to 1000 Hz in steps of 50 Hz This setting has no influence on the Rx frequency 5 1 4 Automatic Fine Tuning The frequency offset of a CW signal is indicated by an arrow and related to the bandwidth of the used filter The right and left limits correspond to the 3dB frequencies of the selected filter When the arrow is in the middle the Rx and Tx frequencies are adjusted exactly to the remote station Moreover the fine tuning to a CW signal is done automatically by pressing the F TUNE key once The green LED locked is blinking during the tuning process and is illuminated permanently when the signal is locked In this state the frequency remains fixed until the frequency knob is moved It will not follow further on to an unstable frequency 5 1 5 CW Peak Filter As the use of the notch filter in the mode of CW make no sense its function is inverted at CW Thus we have an automatic peak filter with the ability to self align to any carrier s within the receive filter This filter reduces the noise to some extend It is most reliable at the largest bandwi
17. 48 BP filters 13 10 2010 Seite 46 ADAT 7 Memories There are 100 memory channels available to store and recall band frequency operation mode etc quickly The memory user interface can opened with the menu key MEMORY The channel selection occurs through the SELECT button For every storage entry a text field is appended The ADAT Commander tool allows you to edit this information on a PC The management of the memory content has been improved Now you are able to alter the settings of a recalled memory channel and store it again o With RECALL F1 the stored information of a previously selected Memory channel can be recalled and made effective The active Memory channel is indicated afterwards in the top line of the display Its frequency and all other settings can be altered and stored again by pressing the SAVE button o With the function MEMOFF F2 the memory mode is quitted and the previous band of operation is again available o With SAVE F3 the currently active setting can be stored press the key SAVE twice and confirm the action by pushing the SELECT button o With DELETE F4 a certain channel can be deleted press the key DELETE twice and confirm the action afterwards by pushing the SELECT button 13 10 2010 Seite 47 o To delete all of the 100 storage channels press CONFIG SYST RESET MEM DB The following diagrams explain the data flow under different situations Memory DB CH99 CHn C
18. 50 are equipped with the preselector PSM1B This allows simultaneous operation on multiple bands as all required half octave filters are turned on But it has the disadvantage that the preselector loses part of its selectivity The new preselector PSL2A is provided by default on all units from serial number 1004051 upwards It is much more selective than the PSM1B and therefore allows receiving only within one band For special cases if simultaneous operation on several bands is required two high pass filters can be inserted manually 4 4 4 Split Operation The split operation has been completely reworked as of firmware version 1 35 This mode is now running in a separate configuration set with its own databases This ensures that all settings remain in the memory after leaving the split operation In this mode two VFO A and B settings are synchronized against each other except the parameters Filters and Volume The other parameter settings apply always to both channels regardless of whether they have been made in Channel A or B 13 10 2010 Seite 17 F1 F2 F3 F4 F5 The frequencies of A and B are each presented on the display with large figures Basically the channel A is only used for reception Rx1 while the channel B is dedicated to receive and transmit Tx1 The currently selected channel is marked with an arrow Its frequency can be changed with the frequency tuning knob The Split Menu allows the following ope
19. 60dBm 0 35 uV 223 uV in steps of 2dB The setting occurs with OPTION M SPEC SQLCH F1 In order to switch off the Squelch rotate the Select knob over the 116dBm position until OFF appears o F2 DEEMP To improve the signal to noise ratio the frequency response of the transmitter is preequalized by increasing high audio frequencies preemphasis This permits to lowering high frequencies in the receiver by the same amount As a result by the postequalizing in the receiver deemphasis a reduction of noise components take place Because there is no standardized directive for amateur radio the deemphasis in ADT 200A is adjustable from 3dB to 12dB referenced to 3 kHz Deemphasis and Preemphasis use a common setting o F3 AFC The function of the AFC is to tune the receiver on the frequency of the FM carrier frequency This function can be switched on and off under OPTION M SPEC AFC The frequency is controlled continuously as long as AFC is on The range of control is limited to 3kHz Deemphasis The frequency responses are drawn displaced by 3dB for a better overview 13 10 2010 Seite 32 ADAT 5 8 Transmit in FM mM Please respect the IARU regulations and transmit only in the range of 29 520 and 29 690MHz Beside transmit power 0 1 50W you may also set the frequency deviation and the type of preemphasis o F4 DEVTN Frequency deviation 1kHz 2kHz and 3kHz It is important to note that the
20. 6dB gt 60dBm gt 93dB lt 103dBm gt 112dB 50Hz 1 2kHz 300HZz 3 5kKHz 3 0kHz 10KHz 6 0kHz 25kKHz 1 5dB 165dB lt 140dBc Hz on Input RX ANT on Inputs ANT1 ANT2 progressive at gt 3Rev s automatic manually Att OdB Preamp Att 25dB MDS Preamp 10dB S N 10dB MDS Preamp OdB S N 10dB Preamp B 9kHz m 60 S N 12dB Preamp 10dB 2 x 14dBm Af 2kHz Preamp OdB 2 x 14dBm f 6MHz 9MHZ Preamp OdB B 2400Hz Af 2kHz in 10 steps in 13 steps in 10 steps in 12 steps 148dBm 17dBm at 2kHz from fe 1 The traditional 2 Ton measurement procedure is not applicable at AD converters as the IP3 of an AD converter decreases proportional with the input signal An other fact is that the intermodulation is considerably lower at real operation with many stochastic signals due to the dithering effect then as with only two tones 13 10 2010 Seite 61 ADAT AGC Threshold selectable AGC Time Constants NF Frequency Response at SSB B 2400Hz Equalizer off NF Equalizer in steps of 3dB 3000Hz Signal Delay Ant to AF Output 12 2 Reference Frequency Internal Reference Oscillator Stability at 10 30 C Ambient Temp Aging elektronic Tuning Range external Reference Source Amplitude of external Reference 12 3 Transmitter Frequency Range Output Power Range in 16 steps Harmonics Spurious Emission Interm
21. ADAT Operating Manual For Software Defined Radio ADT 200A SW Version 1 35 13 10 2010 Seite 1 13 10 2010 Seite 2 ADAT Congratulation You have acquired an ADAT ADT 200A The device is equipped with the latest DSP technology moreover it is produced professionally with state of the art technology Special care has been taken to bring today s possibilities of digital signal processing truly from the aerial to the loudspeaker The result is a device which Shows the quality of a measurement device to some extent Hence the ADT 200A is especially suited very well for technically interested amateurs Due to the software based technology firmware updates can be downloaded to the ADT 200A which enables new functions The present version 1 35 is an intermediate step in an on going development Notice This device must be operated only by radio amateurs with a suitable license For problems which originate from the improper usage of the ADT 200A every liability is declined The disclaimer of liability is also valid for security relevant applications as for example in a catastrophe network Please read this manual carefully in particular the chapter Read this first which contains important tips for the safe and law compliant usage 13 10 2010 Seite 3 ADAT Content 1 General informations use ee east nenne 7 Read this RIESE nee een een 8 2 Used SL INS ee ee ee 8 2 2 Compatibility to EU directives
22. DAT 1 General Information Declaration of Conformity ADT 200A The undersigned hereby declares that the above referenced product to which this declaration relates is in conformity with the provisions of 2004 108 EC Directive on Electromagnetic Compatibility 2006 95 EC Directive on Low Voltage Equipment Safety 1999 5 EG Directive on Radio and Telecommunication Terminal Equipment 2002 95 EG RoHS Directive The product has been validated according the following standards EN 301 783 1 V1 1 1 2000 09 EN 301 783 2 V1 1 1 2000 09 EN 301 489 1 V1 4 1 2002 08 EN 301 489 15 V1 4 1 2002 08 EN 60950 August 1994 Manufacturer Ingenieurbuero Hans Zahnd Bauche 134b 3543 Emmenmatt Switzerland Tel 0041 402 34 87 71 Emmenmatt 12 Oktober 2009 pa 13 10 2010 Seite 7 ADAT 2 Read this first 2 1 Used Standards o EN 301 783 V1 1 1 2000 09 o EN 301 489 V1 4 1 2002 08 o EN 50081 1 o EN 50082 1 o EN 55022 o EN 60950 Electromagnetic compatibility and Radio Spectrum Matters ERM Commercially available amateur radio equipment Parts 1 2 Electro Magnetic compatibility and Radio spectrum Matters ERM Electro Magnetic Compatibility EMC standard for radio equipment and services Part 1 Common technical requirements Part 15 Specific conditions for commercially available amateur radio equipment Electromagnetic compatibility Generic emission standard Electr
23. DT 200A and on the terminal After about 10s is the operation complete On the terminal you should see the following display 13 10 2010 Seite 59 COM17 9600baud Tera Term VT File Edit Setup Control Window Help SHOURSHDRSDN1 ok SHDRSDN1 ok ok After the download is completed you will see the following message on the ADT 200A display To finalize the download close the terminal program and restart the ADT 200A by switching it off and on again 13 10 2010 Seite 60 ADAT 12 Specifications 12 1 Receiver Frequency Range basic version Tuning Resolution Frequency variation per turn Preamplifier Attenuator Max Input Signal U on 500 OdB Sensitivity at CW B 500Hz Sensitivity at SSB B 2400Hz OdB Sensitivity at AM f 0 1 30MHz Preamp OdB Preamp 10dB Noise Figure Third Order Intermodulation IP3 2 IM3 free Dynamic Range a Second Order Intermodulation IP2 f IM2 free Dynamic Range Spurious Reception Blocking Dynamic Range Selektivity CW Filter SSB Filter AN Filter FM Filter Tolerance of the S Meter Range of S Meter dBm Scale Phase Noise 10kHz 30MHz 1 8MHz 30MHz 1Hz 500Hz 100kKHz 0 5 10dB 0 5 10 15 20 25dB 8dBm 17dBm lt 137dBm lt 127dBm lt 120dBm lt 110dBm 0 03uV 0 1uV 0 22uV 0 7uV Fe Amm Fe EP lt 105dBm 1 8uV lt 112dBm 0 57uV lt 10dB gt 28dBm gt 9
24. H1 Temp Channel control word SMSV Frequency Data_Base Memory DB control word MES previous word Mxx Fregency Temp Channel 13 10 2010 a Situation when you save a configuration out of the normal operation mode with the command SAVE b the information of channel n is restored from memory by the command RECALL Seite 48 ADAT Memory_DB control word SMSV Frequency Data_Base 8 System Functions 8 1 Data Bases ee c Amemory channel is altered and then stored again to channel n o System DB contains parameters o Frequency DB contains a frequency for each VFO and band that relate to all VFO s of a VFO Set I HAM and broadcast o VFO DB these databases contain more than 150 individual settings per VFO DB DB DB DB o VFO Set contains a set of 1 VFO1 VFO2 VFO3 VFO4 System 1 Frequency and 4 VFO N data bases There is a total of 8 Mee ea VFO Sets available ie The content of all data bases is stored in a SRAM with battery backup interrupted and therefore all data will be lost 13 10 2010 When you remove the DSP board the backup voltage will be Seite 49 ADAT The access to different VFO Sets is possible by CONFIG SYST VFOSET There are some predefined sets o STNDRD standard set that is used at start up of the transceiver o SPLIT predefined set for split operation o CONF1 6 free avai
25. MHz Then remove the coax cable and restart the transceiver 13 10 2010 Seite 56 ADAT 11 Instructions for SW Download with TeraTerm 11 1 Driver for the emulation of a COM port To get access from PC COM interface to the USB port a special driver CDM 2 04 06 exe from FIDI must be installed This driver is on the enclosed CD or can be downloaded from web under www ftdichip com 11 2 Install the Terminal Program TeraTerm For the download of binary data files the freeware program TeraTerm is recommended It has the capability to handle binary data and it is searching the com port number itself This program is compatible with MS XP MS Vista and Windows 7 The well known program Hyper Terminal from Microsoft is not suited gt for the download as it can not handle binary data without a special hand shake protocol 11 3 Make a Connection to the ADT 200A Connect the USB port of the ADT 200A with the PC and after that start the TeraTerm with the command Ttermpro exe The following window should appear Tera Term disconnected VT Tera Term Hew connection TCP IP Serial Port COME USB Serial Port COMB 13 10 2010 Seite 57 ADAT If one of the COM ports appears as USB Serial Port then the terminal program has found the USB port of the ADT 200A In the menu Setup adjust any settings if needed Tera Term Terminal setup Terminal size New line x Receive cR oy V Term size
26. an be found under the function OPTION P AMP and the Attenuator under OPTION ATT Following table summarizes the usable dynamic range on a bandwidth of 2400Hz P AMP dB ATT dB Pirin dBm Pmax dBm DR dB 10 0 132 18 114 5 0 127 13 114 0 0 122 8 114 0 5 117 3 114 0 10 112 2 114 0 15 107 7 114 0 20 102 12 114 0 25 9 17 114 Because the AD converter must process the whole spectrum prefiltered by the Preselector it may be overdriven in extreme situations To prevent this the sum voltage at the input of the AD converter is supervised permanently and if the maximum threshold is crossed for 1 second the attenuator is increased automatically by 5dB When the sum signal falls during 5 seconds by at least 8dB below the upper limit the Attenuator is reduced again in steps of 5dB down to the original value The following figure illustrates this process for P AMP and ATT OdB The blue curve shows the input signal and the green curve the signal on the AD converter The influence of the preamplifier and attenuator is compensating a setting of P AMP 10dB and ATT 10dB is exactly equal to P AMP OdB and ATT OdB 13 10 2010 Seite 35 dBm A 5 10dB max zulassige Leistung relativer Eingangspegel am AD Wandler 6 3 Automatic Gain Control AGC The AGC control system is designed as a feed forward system and is allocated at the end of the signal pr
27. cer can be found at CONFIG TX P ENH When operating with unnecessary high MIC GAIN the Power Enhancer loses its efficiency 5 4 8 Tune Function The Tune Function serves for the generation of a carrier signal mainly for antenna tuning This function can be activated by the F TUNE button when MOX is on The adjustment of the carrier power is to find under CONFIG TX MORE MORE TUNE and is configurable between 0 1W and 50W in 16 steps The frequency of this carrier is adjusted to the Suppressed SSB carrier This allows retuning the antenna without disturbance of an ongoing QSO To switch off the carrier signal simply press the key MOX again Use the smallest possible power to tune your antenna The built in SWR meter works well with 100mW 13 10 2010 Seite 28 ADAT 5 5 AM Reception The ADT 200A is equipped with a highly linear envelope demodulator Together with the brick wall filters it offers a good solution for many receiving situations 5 5 1 AM Filters For AM reception there are 10 filters in the range of 3 kHz to 10 kHz available These can be selected by the function FILTER B 0 2dB B 80dB Ripple Shape Factor Hz Hz dB B 0 2aB B goas 3000 4000 0 2 1 333 3500 4500 0 2 1 286 4000 5000 0 2 1 250 4500 5500 0 2 1 222 5000 6000 0 2 1 200 6000 7000 0 2 1 167 7000 8000 0 2 1 143 8000 9000 0 2 1 125 9000 10000 0 2 1 111 10000 11000 0 2 1 100 5 5 2 Function F TUNE If the F TUNE key
28. dths 1200Hz and can increase the signal to noise by up to 6dB at weak signals 5 1 6 Mode specific settings F1 gt F3 F4 F5 o Fi BFO Adjustment of BFO frequency in the range of 300 1000HZz in steps of 50Hz 13 10 2010 Seite 20 ADAT o F2 KEYER STNDRD standard key IAMBIC left Paddle dot right Paddle dash IAMB R left Paddle dash right Paddle dot o F3 SPEED speed adjustment for Iambic Keyer range 6 40 words min o F4 TxTONE frequency of Tx side tone as BFO or adjustable in the range of 300 1000Hz in steps of 50Hz independent of BFO o F5 MORE the button F5 gets another submenu with additional functions see section 5 2 3 The current version is implemented without dash and dot memory An implementation to approximate the Curtis Keyer is in preparation 5 2 Transmit in CW The impulse form of the CW signals is shaped by a Blackman Harris function This technique stands out due to click free signals and an extremely narrow transmission spectrum 5 2 1 Adjusting the Output Power The output power is configured the same way as in SSB mode via CONFIG TX POWER 5 2 2 Transmission Before starting a transmission the MOX key must be pressed The LED on air is blinking until the Morse key is pressed down MOX en YT off on LED onair sf on Key off De Mode i Delay 13 10 2010 Seite 21 ADAT When transmitting i e i
29. e demodulator after the frequency fine tuning with the F TUNE function you may switch over to SSB gt reception This mode has the big advantage that there are no distortions due to selective fading Furthermore at B 3500Hz and PBT 200Hz you will profit from a better AGC regulation as now the AM carrier falls within the filter 5 6 Transmit in AM 5 6 1 Transmit Power Adjustment The transceiver is equipped with a high linear modulator for AM It is capable to transmit a peak power of 50Wpep Please respect that in contrast to SSB the setting under POWER relates to the power of the unmodulated carrier 13 10 2010 Seite 30 2 5 Dh lla BEER IN m en As the peak power is max 3 61 times higher than the carrier power the selected power setting under CONFIG Tx POWER should be selected less than or equal to 15W The adjustments for the Tx equalizer and the transmit filter can also be used for the AM mode 5 7 FM Reception 5 7 1 FM Filters 5 filters with ranges of 6 kHz to 10 kHz are available for FM reception Their properties correspond to the AM filters Other filters with ranges up to 25 kHz are planned for applications in the VHF bands 5 7 2 Mode Specific Settings The access to the mode specific settings starts at the main menu via OPTION M SPEC F1 F2 _F3 Ei Oo o F1 SQLCH The Squelch threshold can be set in the range of 116 13 10 2010 Seite 31 ADAT
30. eenseeennnnesnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 40 8 10 TO UN ee ee ee 41 6 11 Control of an Automatic Antenna Tuner unsssessseesnsenennnnnnnnnnnnnnnnnnnnnnnnnnn 42 6 12 Control an external PA uunseessenansuennnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 43 6 13 Antenna Selection unnuuunneeensneanunnnnnnnnnnnnnnnnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 44 6 14 External Frequency Reference unnneeessssseesnsnnennnnnnnnnennnnnnnnennnnnn nenne nennen 44 9 15 PE CIE Or PSL eee a E 45 7 MeMO S a E E A E E EEE En TEA 47 8 System FUNCTIONS acca cis os ta cee salen eta aaa arena 49 ar Das Ba See A E eee ee 49 8 2 PERSON Eee ae rd dons ae eg 50 13 10 2010 Seite 5 ADAT CONG nee ea ee een 50 9 ADAT Controller ensure eine 51 9 1 Installation ee ee een 52 9 2 Firmware DOWRIOSG Eee een einer 53 LO Tests and Maintenance uus 0000n000nnannnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 53 10 1 Frequency Calibrating wissnvsstasscsannivanensanesntevanianonoainadsunsnhins iarevtiuntatnaduixeeniveonesanns 53 10 2 2 TO0E Test ol INA een ee 54 10 5 Scan UNE Os e ee E N EEEE asad NE EEEE ETEO 55 Oe PA MONtOr UE CLIO INS ee perean E E EEEE 56 10 5 Calibration of the Preselector PSL2 i cecccceeecceceeeeeteeeeeeeeeeeeeaeeeeeeees 56 11 Instructions for SW Download with TeraTerm ccccccesseeeseeeeeeeeeeeeees 57 11 1 Driver for the emulatio
31. er 6000Hz2 1 Band 49m Group BRST w Read from TRA write bo TABS 13 10 2010 Seite 52 ADAT 9 2 Firmware Download The ADAT Commander can be used to download new firmware to the ADT 200A For this the following procedure is recommended o connect the USB cable and switch on the ADT 200A o Start the ADAT Commander and select Connect If a window Reading Memories appears the connection is successful established o select Disconnect to ensure that the display on the ADT 200A is active again o select Firmware update and set the path to the location of your file to download o Watch the download process on the displays on the ADT 200A and wait to the message Success Please restart the TRX HE ADAT Commander View Edit Help connect Disconnect Backup Personality Data Restore Personality Data Firmware Update Delete Logfile Exit 10 Tests and Maintenance 10 1 Frequency Calibrating The internal TCXO can be calibrated with a precise external reference The necessary menu is reached with CONFIG SYST MORE REFCLK CALIB F3 With the option CALIB ON the calibration process is started and on the top line of the display the information calibration in progress appears The whole process can take as long as 30 seconds and is confirmed with the information calibration terminated 13 10 2010 Seite 53 ADAT The frequency of
32. f 8 VFO s o Every channel has its own data base i e all adjustable parameters are assigned to every channel individually o Several VFO s may be switched on at the same time o The selection of a specific VFO occurs by pressing once on the respective functional key in the VFO menu All parameters and frequencies are thereby switched and this VFO becomes the active channel o The frequency of the active channel is indicated in the display at the top frequency line in big numbers the frequency of the other channels is displayed below sorted by channel number o Frequency band and mode of operation of the transmitter can be configured in the VFO Menu arbitrarily This enables cross band operation 13 10 2010 Seite 16 ADAT 4 4 2 Configuration of the VFO s Selection OFF The function OFF switches the currently active VFO off The frequency display of this channel is cleared After this operation another channel must be chosen Selection ON With the function ON a channel is switched on All parameters previously stored are restored and made active Selection SET With the function SET the frequency and the operation mode of the transmitter can be configured independently of the receiver Any combination of frequency and modulation settings is possible This function is intended to use for cross band operation on the VHF bands 4 4 3 Simultaneous Operation of multiple VFO s The transceivers up to serial number 09030
33. f the LED on air is permanently on the frequency remains locked and can be changed only when back in the Rx operation 5 2 3 Mode specific settings Some additional mode specific settings are available under MORE E EE amp o Fi QSK The selection between semi und full break in is possible by means of the button F1 o SMI BK normal operation This setting is also suitable to serve an external power amplifier o FUL BK the switching time from Tx to Rx is as low as 35ms filter 1000Hz This timing is too fast for an external power amplifier o F2 DELAY The value selected under DELAY determines the hold time for the transmitter i e the time after the last sign until switching over into the reception mode o F3 DECODE The function DECODE is reserved for a CW decoder not available yet 5 3 SSB Reception 5 3 1 Selection of Sideband In SSB operation there are three MODE settings available o LSB lower side band commonly on HAM bands less than 8 MHz o USB upper side band commonly on HAM bands above 8 MHz o SSB automatic selection according the HAM band 13 10 2010 Seite 22 ADAT LSB USB f f Position of the suppressed carrier displayed Frequency To receive a carrier signal with a heterodyne tone of 1 kHz the RX frequency must be configured 1 kHz higher in LSB mode and 1 kHz lower in USB mode than the carrier frequency 5 3 2 Setting the Receiver Bandwidth In SSB mode there are 13 filter
34. gher o Visual C Runtime Libraries o Windows Installer 3 1 If one or more of these components are not present the installer will attempt to download them via internet In this case an Internet access during the installation is required Unpack the file Commander rar with a suitable program like 7 Zip and copy it into a directory Then execute the file ADAT ADT 200A Installation msi The installer will create a new directory under C programs ADAT Commander Before the file ADAT Commander exe is started the USB cable to the ADT 200A must be plugged in and the ADT 200A must be in operating mode Only then can the installed program be started If the Commander appears on the screen connect to the ADT 200A by pressing the on off button in the Commander To adjust the frequency choose one of the following ways o the desired frequency is entered in the window under Edit Frequency o point the mouse to one digit in the frequency display and change it with the mouse wheel o Click on the tuning knob the frequency increases when the mouse is moved upward the frequency decreases when the mouse points in the under half of the knob The memory manager is a practical tool for the management of memory texts WO Lo e om 0g 1 Text Deutschlandfunk Fix Frequency 6 075000 MHz Te Frequency 16 075000 i MHZ Mode AM o Filt
35. hed through to the output A Loudspeakers on off the loudspeakers can be switched off when headphones are in use Seite 40 ADAT 6 10 The VOX The Voice Operated Xmiter function uses an adaptive suppression of signals from the loudspeaker Anti Vox This functionality prevents gating the TRX with Signals coming from the receiver An adaptive filter emulates the transfer function from the Rx output to the microphone input Here the output of this filter is subtracted from the normalized microphone signal With the help of the difference signal the coefficients of the filter are continuously adjusted The Delay block compensates for the time of the acoustic path The distance between speaker and microphone may be 0 1 2m Speech by the operator will not be subtracted and activates the transmitter The following settings can be made F1 ene F3 F4 r5 acccd amp o Fl VOX Switch on off o F2 TRSLD The threshold for the input signal can be adjusted O 10dB in steps of 2dB o F3 DELAY Start delay in the range of 10ms 200ms The VOX is effective for all audio inputs 13 10 2010 Seite 41 ADAT 6 11 Control of an Automatic Antenna Tuner If during the transmission PTT or MOX on the F TUNE button is pressed a control sequence is started to an antenna tuner connected to the DATA outlet This control sequence is designed for the ICOM antenna tuner but there are also other brands that work the same way
36. ifference between PEP and Pav may be as high as 1 20 or 13dB The standing wave ratio SWR is determined by a Hybrid Coupler which drives two logarithmic detectors The sensitivity of this arrangement is as high that a few milliwatts are sufficient to determine the SWR To protect the final amplifier a protection algorithm reduces the output power above settings from 10W up Below 10W no reduction takes place to provide enough power to an automatic antenna coupling unit 13 10 2010 Seite 38 ADAT The power meter reading can be wrong at a high SWR because the power is derived from the output voltage 6 6 Noise Blanker For the suppression of impulsive noise two Noise Blankers are available They work both after a new procedure with an adaptive threshold just above the highest signal amplitude The Noise Blanker 1 NB1 is placed immediately after the roofing filter and is able to fade out strong impulses in a way that they are practically not audible any more Because the NB1 is arranged in a relatively wide bandwidth it always adjusts the threshold according to the strongest Signal Hence with big differences within the pass band of the roofing filter the effect decreases For this situation there is the second Noise Blanker NB2 available which is arranged after the main selection The menu for NB1 and NB2 can be entered with the key NOISE It is not recommended to use NB2 for AM because strong signals in neighbor chan
37. is pressed during AM reception the receiver is exactly tuned to the carrier of the received station during 5 seconds The LED locked blinks while the fine tuning is in progress After 5 seconds the control process is stopped and the LED remains on until the frequency is changed with the tuning knob The precision of this AFC function is 1Hz and is suitable for the SSB reception of an AM transmitter with LSB or USB This function can also be used to determine the frequency calibration offset of the ADT 200A for instance with the transmitter WWV 10 MHz With strong fading the carrier may be attenuated and the algorithm is no more able to lock 13 10 2010 Seite 29 ADAT 5 5 3 Function DEMOD The function DEMOD in the menu OPTION M SPEC is planned for the choice between envelope and synchronous demodulator A synchronous demodulator is in preparation and will be configured with the functions AM SL and AM SU 5 5 4 Function N 5kHz The function N 5kHz in the menu OPTION M SPEC makes available a narrow 5 kHz notch filter which suppresses the unpleasant interference tone while tuning This happens when the carriers of two neighboring stations are both in the pass band dB 20 40 60 80 1 0 3 0 5 0 7 0 90 kHz The above figure shows the noise spectrum from AM demodulator when the 5kHz notch filter is switched on Hints for the AM reception with th
38. lable to use for different operations or to store personal settings at multi operator usage The data bases can be loaded with default values in 3 groups under CONFIG SYST RESET o SYS DB clears all system and VFO databases in all VFO Sets and loads default values again o FRE_DB loads all frequency data bases with default frequencies o MEM DB clears all memory entries over the entire memory data base 8 2 Personality File All device specific features such as unit number calibration etc are in a separate file in the program memory Flash The personality file can be loaded with the same procedure into the device as a firmware update If necessary you may also upload the personality file from ADT 200A into a PC The Personality File contains the following data o the device number o the identification number o the callsign of the operator appears on start up o acoded list of approved options o calibration data for the output power o calibration data for the power meter o calibration data for the S meter filter attenuation of the preselector In special cases for example for the activation of an option the personality file must be sent to the factory for modification and then be downloaded again into the device by the user 8 3 Options Options are additional programs that are not available by default Currently the following options are defined o BO no frequency limiting for HAM bands o P2 required o
39. lter Selection uu 0uunneennennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 27 5 4 5 RA OI realen 27 5 4 6 Modulation Monitoring ccecccccccseccceceesecceeeeeeeeeseeeseeeesaaeeeesueeeeeesaenes 27 5 4 7 Power Enhancer uuunsuenssennnnennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnen 27 5 4 8 TUNERS FIRE O sere A oe 28 5 5 AM Reception cnartanicxnunssieatenenasirseconvuvettnsacinaaniovaninecanineatentonrgengenseeiaeacineewindanataxtatentatsnas 29 Sl AM Elle E A T E 29 55922 FUNCUON F TUNE ee ana a ne E ENEE 29 5 9 3 FUNCION DEMOD ieia a E TE E AES 30 5 9 4 PUCCIO N 5KHZ ee ne enden 30 5 0 WESTIN AN ee ee ee ee Eee 30 5 6 1 Transmit Power Adjustment uu0s2000000s00nnnnennnnnnnennnnnnnnnenenne seen 30 IA FM RECODO see een 31 Ial PNE ceana ee a een 31 5 7 2 Mode Specific Settings ae re ee 31 DO Mone M e A seer cee EE EE E E E 33 6 Other FUNCEONS ee na an aaa aE aa ERENER 34 6L Frequency TUNING erer ee ee 34 6 2 Preamplifier and Attenuator uuucssesessesssnennesnnnannennnnnnnennnnennnsnenennesnennnne seen 35 6 3 Automatic Gain Control AGC ccc ccccccceeecsseeeeeeeeeseeeeeeeeeeeeseeeeeeeaeeeenees 36 oA SAMO gt Gee eee ae ee ae ee ee 37 6 5 Power and SWR Meter uunuuuanseennunannunnnnnnnnunnnnnnnnnnnnunnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 38 6 0 Noise Banane Oe ee ore 39 057 IDOL ee ne eee ee re 39 80 OS nn ne ee 39 6 9 Selection of the Audio Source nuu
40. n of a COM pOrt ec eccccecesseeeeeeeeeeeeesneeeeeens 57 11 2 Install the Terminal Program TeraTerm ccccccccsseceeeesseeeeeeeseeeeesaeeeeeens 57 11 3 Make a Connection to the ADT 2O0A 2220002nnneennsnnnnnennnnnnnnnnnnnnnn nennen 57 11 4 Communications Fest 58 11 5 Download of new Firmware uesssesesssseeensnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen 58 12 SBEAIN ere a 6 eee ee ee ee reine 61 De ROC OU ae a eee ste es ousted halt een ee 61 12 2 Reference Frequency ncssessesesnsnensnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn nennen nnnenennnnnnn nennen 62 12 3 MOPS IMM T aE E E AE 62 124 General Data ene nina iea a E T E RERA Ee 63 13 Annex 1 Pinout Diagrams uu2222000n2nan000nnnnnnunnnnnnunnnnnnnnnnnnnnnnnnnnnnnnunnnnnn 64 13 1 Microphone Connector on the Front sessssssssesrrserrreerrresrrreerrresrrrerrresrrreerres 64 13 2 Connections for an ICOM Microphone e g SM 20 uuunneeneennns 64 13 3 Connections for an YAESU Microphone ssssssssssnsessrrnssrrrresrrrreserrresrrrresrrrrene 65 13 4 Morse WRC nee een een eher ER nee 65 13 5 Morse Paddle uuu22200022neeeensnneennnnnnnnnnnnnnnnnnnnnnnnn nenne nennen nnnnnn nenne nnnnnneenn 65 13 6 Audio Connector on the Back Panel Mini DIN nn 66 13 7 Data Connector on the Back Pane uus220000222eeennennnnnnnnennnnnn nennen 66 13 10 2010 Seite 6 A
41. nels can lead to distortion Threshold of NB1 ee ae Range not covered by NB1 Threshold of NB2 Mn i Headroom for Disturber p Bandwidth of Roofing Filter a ae Bandwith of Rx Filter 6 7 Notch Filter The automatic notch filter is capable to remove one or more CW frequencies out of the received signal It can be switched on or off with the NOTCH button The Suppression of interferers is gt 60dB for the frequency range from 100 Hz 3 kHz The notch filter is placed before the AGC is thus a suppression of weak Signals is prevented 6 8 Clarifier The clarifier can be accessed by the menu button CLARIF It acts only on the Rx frequency The dial is attached to the clarifier as long as it is on The offset frequency remains stored after switching off but is no longer effective 13 10 2010 Seite 39 6 9 Selection of the Audio Source Since 4 VFO s are available which can generate up to four audio signals but there are only two audio channels are available there is a possibility to select the desired audio channels F1 F2 F3 F4 F5 o F1 OUT A o F2 OUT B o F3 LSPKR 13 10 2010 Rx1 Rx4 fixed selection of a receiving channel regardless if the VFO is on or off AUTOSEL the currently active VFO channel is switched through to the output A Rx1 Rx4 fixed selection of a receiving channel regardless if the VFO is on or off AUTOSEL the currently active VFO channel is switc
42. occupied bandwidth for a modulation frequency of 2 4kHz and a frequency deviation of 3kKHz is B 208 2 fm Af 10 8kHz o F2 DEEMP The selected value for the de emphasis applies also for the pre emphasis With the option DEEMP OFF both de and pre emphasis are off resulting in a linear frequency response Preemphasis 13 10 2010 Seite 33 ADAT 6 Other Functions 6 1 Frequency Tuning The frequency is set by the large rotary knob The resolution of the encoder is 1000 pulses per revolution The frequency rate per revolution may be set by the keys STEP lt and gt resulting in a range of 500Hz and 100kHz A new selected value is indicated in each case on the top of the small display for 5 sec For very fast rotation the frequency change increased progressively and at a very slow rotation it is gradually decreased In between is a large linear range Up to a resolution of 1kHz the smallest frequency step is 1Hz at higher resolutions the frequencies are rounded according the following table kHz revolution 0 5 1 0 2 0 5 0 10 0 20 0 50 0 100 0 13 10 2010 Step Hz Steps per rev 1 500 1 1000 2 1000 10 500 100 100 100 200 1000 50 5000 20 Seite 34 ADAT 6 2 Preamplifier and Attenuator The preamplifier allows shifting the dynamic range of the receiver towards higher sensitivity while the Attenuator is increasing the threshold towards higher input levels The preamplifier c
43. ocessing chain Besides the AGC is pre emptive which means it reacts at a high transient already before the signal to be regulated arrives Thereby level changes as high as 100dB are processed without any overshooting mam mr ma litte FS ta For three groups of modes of operation CW SSB AM FM the AGC is settable to SLOW MEDIUM and FAST The characteristic of these settings may be configured in the menu CONFIG and the function RX AGC FAST MEDIUM SLOW For each function FAST MEDIUM and SLOW there are three characteristics selectable namely O ATTACK the time which is claimed by the AGC to react from a weak to a strong signal Typical values are 1 20ms A value of 2ms is recommended O HOLD the time while the AGC is waiting to before increasing the gain toward louder signals 13 10 2010 Seite 36 O DECAY the time constant with that the gain is increased after the change from a strong to a weak signal 6 4 S Meter The S meter of the ADT 200A shows a dynamic range which has never been reached by conventional amateur radios O The weakest measurable signal is 148dBm 8 87nV This corresponds to the MDS level of the receiver with B 50Hz with preamplifier 10dB O strongest measurable signal 17dBm 1 58V with attenuator 25dB O Dynamic Range 165dB O Tolerance typ 1dB O Linearity error typ 0 5dB The S Meter display is divided into the following segments O Bar shows the peak
44. odulation 3 9 Order Efficiency Drain Efficiency AF Frequency Response at SSB Sideband Suppression Tx Equalizer in steps of 3dB 3000Hz Enhancement of mean Speech Power Microphone Gain Inband IM Distortions Tolerance of Power Meters Power Range of SWR Meter 13 10 2010 40 116dBm ims 100ms 10ms 5s 50ms 10s 1dB 18dB typ 20ms TCXO 10MHz 0 1ppm max 1ppm Year 8ppm SMHz 10MHz min 200MV Rms 1 8 29 7MHz 0 1W 50W max 45W lt 60dBc lt 70dBc lt 45dBc max 70 200HZ 3 0KHz gt 90dB 18dB 0 8dB 18 30dB lt 50dB 5 0 1 50W in steps of 2dB Attack Hold Decay fur 300HZ 2700Hz f 300Hz 800Hz depending on Filter after 30min with external Reference all Amateur Bands PEP 2 Ton continuous carrier outside f 200kHz 2 Ton Mod 50W PEP at max Output Power selectable f 100Hz 550Hz automatically limited min Indication 1 1 03 Seite 62 ADAT 12 4 General Data Power Supply Power Consumption Dimensions W x H x D Weight Temperature Range 13 10 2010 90 253Vac 50 60Hz 20W Rx 120W Tx 260 x 103 x 260mm 4 5kg 5 C 45 C for full functionality Seite 63 ADAT 13 Annex 1 Pinout Diagrams 13 1 Microphone Connector on the Front Mike In weiss jr Mike Gnd L Phone PTT 7 5V 10mA View to the front panel The colors correspond with
45. omagnetic compatibility Generic immunity standard Limits and methods of measurement of radio disturbance characteristics of information technology Information technology equipment Safety 2 2 Compatibility to EU directives o 2004 108 EG o 2006 95 EG o 1999 5 EG o 2002 95 EG o 2002 96 EG 13 10 2010 EMC Directive Low Voltage Directive Richtlinie ber Funkanlagen und Telekom Endeinrichtungen German RoHs Directive Entsorgung von Elektronik Altger ten German Seite 8 ADAT 2 3 Notes on Disposal o Remove the battery and dispose it separately o All housing and chassis parts are made of aluminum and are bolted They can be completely recycled o The power transistors mounted on the heat sink contain beryllium oxide and must be disposed separately o The electronic components are ROHS compliant lead free and can be disposed accordingly 2 4 Precautions Always disconnect the line voltage before you open the enclosure as there are dangerous voltages inside Do not plug the ear phones into the loudspeaker jack as this could damage your ears The Transceiver shall only be powered by a 3 pol line cable with a protective ground for safety Use only fuses 3 15AT slow blow for replacement An operation ground is needed for transmit operation Do not obstruct the air flow from the internal ventilator The transceiver must be protected against humidity when operated outside It i
46. pposite station of an ongoing QSO 6 12 Control an external PA The control of an external linear amplifier occurs by an opto relay For greatest possible flexibility the control circuit is held free of potential Both connections A and B can be pursued with any polarity However a 2 wire connection is necessary in any case PA CTRL PA Switch A PTT I I Sendertastung Opto Relais PA Switch B The Opto Relais is capable to switch a voltage up to 60V with a current of 500mA with both polarities Be aware this is a fully foating circuit therefore you need two wires to control the PA 13 10 2010 Seite 43 ADAT 6 13 Antenna Selection With the function CONFIG TX MORE ANT the transmit signal can be switched to the coaxial outlets ANT1 or ANT2 This function permits the connection of two antennas e g a dipole for 80 m and 40 m and a Beam for the higher bands n gt If the transceiver is switched off both antenna outputs are grounded Both antenna outlets are tied to ground when the transceiver is switched off If you are using both ANT1 and ANT2 then it is recommended to connect the lower frequency antenna to ANT2 6 14 External Frequency Reference For high demands on the frequency accuracy an external reference clock can be connected to the SMA plug on the back side of the transceiver Its level must lie between OdBm and 10dBm Settings are possible for reference frequencies of 1 MHz 5
47. ption for the operation of the new preselector o Ri Enable to use the ADAT Commanders extra charge o Si reserved for the spectrum display extra charge All options are encrypted and run on only one specific device 13 10 2010 Seite 50 The enabled Options and other device information can be displayed under CONFIG SYST MORE INFO 9 ADAT Controller To control the ADT 200A with a PC the ADAT Commander has been developed This program connects to the ADT 200A via USB interface and allows to configure most parameters of the ADT 200A from a PC To use the full functionality of the ADAT Commander the option R1 is required However you can use it for the file up and download for free When the ADAT Commander is connected this is indicated on the display of the ADT 200A with remote operation I HE ADAT Commander File View Edi Help A Pe 14 1178 13195 MHz ax NOTCH Fu Band 20m 14 1718 Bls blode SSB 10 0dErm dBu Notch OFF MO On Air lt STEF gt Att Ode Ei AGC 100dBm Temp 27 C F TUNE locked C 555 2400H MODE EIER en a a F1 F2 F3 F4 F5 Bal all Gan SELECT AF GAIM ON OFF standby BE emote DOWN ADAT ADT 200A 13 10 2010 Seite 51 ADAT 9 1 Installation The minimum requirement to use the ADAT Controller is Microsoft Windows XP Furthermore the installation requires the following resources o NET Framework 2 0 or hi
48. rations o Fi CHA A Rx Ais receiving on the frequency showed on the upper line A B The frequency of B is assigned to A o F2 CHB B Tx Bis receiving on the frequency showed on the lower line B A The frequency of A is assigned to B o F3 DUAL W Dual Watch both channels A and B are received simultaneously and are audible on the head phones A left B right or the loudspeakers A LS A and B LS B o F4 REVERS If ON the channels A and B are interchanged For the units up to serial number 0903050 both channels are connected to both loudspeakers 13 10 2010 Seite 18 ADAT VFO A upper VFO B lower Function Rx TX Rx TX CH A A Rx CH A A B CH B B Tx CH B B A Dual Watch REVERS OFF REVERS ON 5 Operation Modes 5 1 CW Reception 5 1 1 Sideband Selection With the function MODE CW or CW R the CW operation mode is switched on The CW setting corresponds to USB reception this means that the beat frequency of a station appears with a falling beat tone with increasing frequency The setting CW R corresponds to LSB reception where increasing frequency results in a rising beat tone The choice of the sideband is a matter of practice 5 1 2 Setting the Rx Bandwidth For CW reception 10 filters with a bandwidth range of 50 Hz to 1200 Hz are available They can be selected with the function FILTER B 6dB B 60dB Shape Factor Signal Delay Hz Hz B soas B 6aB ms 50 148 2 960 44 75 171 2 280
49. s recommended to switch off the main switch on the rear side if the device is not used for a longer time ubPpbpbbbb 13 10 2010 Seite 9 ADAT 3 Installation 3 1 Power Supply 3 1 1 Line Power The power supply accepts line AC voltages from 90V up to 240V The ADT 200A must always be connected to a protective ground The main switch is on the rear side If it is on the internal AC DC converter is running and the LED standby on the front is lit 3 1 2 Operational Ground To prevent a feed back of RF currents to the line system the transceiver must be connected to an operative ground 3 1 3 Battery Operation For battery operation an external DC AC converter for 220V 150W is needed 3 1 4 Air Flow The internal ventilator aspirates the air from the bottom side of the housing and blows it out on the top and rear side Take care for a free circulation _ gt 13 10 2010 Seite 10 ADAT 3 2 Connections on the back side O O UOMO e Line Out Audio Signal to PC Sound Card Line In for signals from PC Sound Card Reset for Restart of DSP Module Input for ext Frequency Reference gt 0dBm Auxiliary connector to external controls Oona Pr W N gt USB Connector for communication with a PC Rx Signal must be connected to Rx In 12 Rx Tx Antenna 1 Rx Tx Antenna 2 10 Monitor Input from external Linear Amplifier N 13 10 2010 11 12 13 14 15 16 17 18 19 20 2
50. s with a bandwidth range of 300Hz to 3 5kHz available They can be selected with the function FILTER B 6dB B 60dB fu fo Shape Factor Signal Delay Hz Hz Hz Hz B soas B 6aB ms 300 688 850 1150 2 293 20 500 888 750 1250 1 776 20 700 1088 650 1350 1 554 20 1000 1384 420 1420 1 384 20 1200 1588 330 1530 1 323 20 1500 1884 280 1780 1 256 20 1800 2186 245 2045 1 214 20 2000 2386 225 2225 1 193 20 2200 2584 210 2410 1 175 20 2400 3168 195 2595 1 320 12 2700 3472 175 2875 1 286 12 3000 3776 160 3160 1 259 12 3500 4272 140 3640 1 221 12 signal delay applies for the entire receiver The filters from B 21200Hz are optimized for best intelligibility The resulting product is fu fo 500 000 PBT OHz On the other hand the centre frequency of filters up to B lt 1000 Hz is set on 1 kHz which is favorable for digital operation modes 13 10 2010 Seite 23 ADAT 5 3 3 Mode Specific Settings F1 TrA F3 F4 F5 T OG OG a G 5 3 4 Pass Band Tuning Pass Band Tuning PBT permits the movement of a filter pass band on the frequency axis With this the sound of the receiver and in particular the lower cut off frequency of the received signal can be changed in wide borders Besides this function allows fading out a disturber in a strong QRM Pass Band Tuning can be used only in SSB mode under the OPTION M SPEC PBT The PBT range spans from 200Hz to 500Hz in steps of 50Hz LSB USB green 200Hz
51. te 13 ADAT 4 2 2 Menu Keys MEMORY opens a Menu to handle the 100 memory cells CONFIG Handles all configuration parameters CLARIF Clarifier 9 999kHz for Rx Frequency EXTRAS Will be used later for special functions BACK Leads back to the main menu NOISE On Off for the Noise Blankers NOTCH Automatic Notch Filter MOX Manually Operated Xmitter to operate the transmitter for CW or VOX operation F TUNE used for automatic tuning at AM CW RECORD Will be used later for the audio recorder 4 3 Details on the Main Menu 4 3 1 BAND Selection F1 For a quick selection the full reception range between 10 kHz and 30 MHz is divided into different utility bands o WIDE gt general coverage o HAM gt Amateur Bands 1 8 29 7MHz o BRCST gt Broadcast Bands 3 9 26MHz Function WIDE With the SELECT button the desired frequency can be roughly selected in steps of 1 MHz and then fine tuned with the tuning knob in the area of 10 kHz to 30 MHz Function HAM With this function one of the amateur radio bands between 160 m and 10 m can be selected When changing the band the frequency of the previous band is stored The bands are limited to 50 kHz beyond the band limits Function Broadcast BRC A broadcasting band can be quickly discovered with the function BRC In contrast to HAM the broadcasting bands BRC are not band limited When changing the band the frequency of the previous band is stored 13 1
52. ulation signal according to your own wishes 5 4 6 Modulation Monitoring The transmit signal is fed back from the output to the receiver for the control of the adaptive predistortion This signal is a true monitor signal and can be used for controlling purposes for example to record different settings of the Tx equalizer by the soundcard of a PC A connection from the ADT 200A s Line Out to the Line In of the PC is required to do that The volume of the monitor signal can be adjusted with the AF GAIN during transmitting This setting has no influence on the Rx volume can occur when the volume is too high u If a loudspeaker is connected acoustic feedback to the microphone 5 4 7 Power Enhancer The Power Enhancer has been developed as an alternative to the conventional speech compressors The envelope is regulated depending of the modulation instead of clipping the amplitude This regulation is comparable with a change of the volume and hence free of distortion 13 10 2010 Seite 27 ADAT Output dB 10 linear 3dB 6dB 20 9dB 12db 30 50 40 30 20 10 O Input dB The characteristic of the Power Enhancer consists of a compressing a linear and a decompressing part The latter should suppress the ambient noise With this technique middle amplitudes can be increased by 3dB to 12dB which results in a more efficient modulation The Power Enhan
53. wer levels have been calibrated at the factory for every band with a 2 tone modulation With speech modulation an overshoot of about 10 is possible The selected output power is maintained independently of the input signal 13 10 2010 Seite 25 ADAT Reasons which lead to a reduction of the transmit power o The MIC GAIN is too low o A high SWR greater than 1 2 Note that an impedance of 25 Q corresponds to an SWR of 1 2 If the output voltage in the transmitter was held constant it would have to deliver 100 W On the other hand an impedance of 100 Q SWR also 1 2 is no problem for the output stage o If the peak value of the envelope cannot be regulated completely by the predistortion o If the supply current of the output stage rises up to gt 2 8A While the transmission the frequency remains locked and can be changed only in Rx mode 5 4 2 Audio Source Selection The audio source can be chosen in the menu CONFIG Tx AUDIO SOURCE There are following possibilities e LINE IN Input on the rear side 3 5 mm jack connector for the connection of a PC for digital operation modes e MIC ELE Connect an electret microphone to the connector MICRO on the front panel There is a supply voltage of 2 5 V 2 mA between the Pins MIC In and MIC GND An additional pin carries 7 5 V for microphones with a higher voltage requirement e g Icom and others e MIC DYN for the connection of a dynamic microphone Here the NF

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