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Tuneup

Issue 1

August 2004

TM8200

base station

Tuneup info for

compliance

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Содержание TM8200 mobiles

Страница 1: ...Tuneup Issue 1 August 2004 TM8200 base station Tuneup info for compliance...

Страница 2: ...n America E mail latinamerica taitworld com Tait Europe Regional Head Office United Kingdom Tait Mobile Radio Ltd E mail teusales tait co uk Tait North Asia Regional Head Office Hong Kong Tait Mobile...

Страница 3: ...3 Tuneup Tait Electronics Ltd August 2004...

Страница 4: ...rmation contained in this manual is the property of Tait Electronics Ltd All rights are reserved This manual may not in whole or in part be copied photocopied reproduced translated stored or reduced t...

Страница 5: ...tions Manual TM8200 Service Kit and Alarm Center User s Manuals and online Help TM8200 Calibration Kit User s Manual and online Help Technical notes are published from time to time to describe applica...

Страница 6: ...cuit Diagram 29 Calibration basics 30 Calibrating the radio 30 NoteUsing the calibration application 30 Sliders 31 Option buttons 31 Instruction boxes 31 Radio Model toolbar 31 n Specifications form 3...

Страница 7: ...Tait Electronics Ltd August 2004 n Raw data reference 39 n Volt Ref TCXO VCO VCXO tab 39 n VCO Auto Cal Check tab 39 n Receiver tab 39 n Mute tab 40 n Tx Gate Biasing tab 40 n Power tab 41 n Test Freq...

Страница 8: ...le load Failure to do so might result in damage to the power output stage of the transmitter Important While servicing the main board avoid overheating the radio during test transmissions The followin...

Страница 9: ...RJ45 PLUG MICROPHONE CONNECTOR IN LINE CONNECTOR AUXILIARY CONNECTOR BANANA PLUGS BNC PLUG TEST UNIT OSCILLOSCOPE RX AUDIO SINAD CONNECTOR AUDIO IN HI RF COMMUNI CATIONS TEST SET AUDIO OUT TX AUDIO CO...

Страница 10: ...speaker five switches and the following connectors RADIO connector DB15 plug COMPUTER connector RJ12 socket TX AUDIO connector BNC socket RX AUDIO SINAD connector BNC socket These connectors are all...

Страница 11: ...ure 1 2 Illustration of the face of the test unit Radio Rx Tx PTT Speaker Radio Load TOP Mod Audio Mic Audio Rx Audio SINAD Tx Audio Computer TOP Off Hook On Hook Off TM8000 only TM8000 AUDIO OUT SWIT...

Страница 12: ...DIO IN switch MIC AUDIO AUDIO OUT switch immaterial When ready to transmit set the MODE switch to the TX PTT position This switch functions in the same way as the PTT switch on the microphone Product...

Страница 13: ...ation begins automatically Follow the instructions on the screen to complete the installation 3 The Contents window remains open following installation of the above applications Investigate the remain...

Страница 14: ...of a radio change settings in the various forms constituting the file and reprogram the radio Alternatively the application can be used to open a new file select the required settings and program one...

Страница 15: ...be entered at the test PC These commands are then relayed via the test unit to the radio Certain CCTM commands cause the radio to carry out particular functions others read particular settings and par...

Страница 16: ...x where x is the required state 0 stand by 1 on 2 mute None 110 Audio volume Sets the level of the audio volume 110 x where x defines the required level any integer from 0 to 255 None 138 Select micro...

Страница 17: ...he FPGA 98 QMA1G_x_y where x is a three character identifier and y is an eight digit version number 133 Hardware version Reads the product code of the radio body and the hardware version number 133 x...

Страница 18: ...ia the DIG SYN EN line 334 x where x is the required state 0 off 1 on None 335 Synthesizer switch Switches the transmit receive switch of the frequency synthesizer on or off via the DIG SYN TR SW line...

Страница 19: ...from 0 to 1023 114 x to set value where x is the required power setting an integer from 0 to 1023 None 304 Driver bias Sets or reads the clamp current at the gate of the PA driver 304 to read value x...

Страница 20: ...he radio is in CCTM the CCTM commands may be entered as shown in Table 1 1 to Table 1 5 Depending on the command a response might or might not be displayed If an error occurs an error code will be dis...

Страница 21: ...nter the CCTM command with valid parameters C03 A valid CCTM command has been received but cannot be processed at this time Enter the CCTM command again If the error persists power the radio down and...

Страница 22: ...One short low pitched beep On pressing function key again Function has been terminated One short high pitched beep While powered up Radio has been stunned One long low pitched beep 1 On pressing key K...

Страница 23: ...23 General Information Tuneup August 2004 Tait Electronics Ltd...

Страница 24: ...a test PC and an RF communications test set The diagram below shows the front panel of the test unit 2 1 Test Equipment Setup The diagram on the following page shows how the test unit is connected to...

Страница 25: ...AUDIO IN HI OUT audio monitor out BNC RF in out N TYPE BNC BNC radio connector microphone connector RJ45 TEST PC DB15 serial port DB9 DB9 TMAA21 01 TMAA20 03 cable computer connector RJ12 AC input BNC...

Страница 26: ...o Tait Orca portables only Mic Audio and Off no audio signal With the Tait Orca portables this switch can be used for setting up dual point modulation by applying modulation to different parts of the...

Страница 27: ...switch is set to Speaker or Load this simulates an external speaker being connected in par allel to the radio s internal speaker TM8200 radios without a user interface do not have an internal speaker...

Страница 28: ...820 01 Res M F Pwr 17x5 8e2 5 2 5w R2 032 31820 01 Res M F Pwr 17x5 8e2 5 2 5w R3 030 55120 20 Res Flm 4x1 6 12k 5 0 4w R4 030 53560 20 Res Flm 4x1 6 560e 5 0 4w R5 030 54270 20 Res Flm 4x1 6 2k7 5 0...

Страница 29: ...schematic diagram are indicative only Refer to the parts list for actual values used SPEAKER 4 SPKR 8 2 SHOULD BE DPTT IPN 032 31820 01 IPN 250 00010 19 not part of PCB not fitted not fitted not fitt...

Страница 30: ...ect the File Save menu command to save the radio s current calibration database to disk This will enable you to view data see Viewing calibration files on page 32 and re program with a previous calibr...

Страница 31: ...ove the upper safe limit of a field hold shift and click the button The box will turn red Important The purpose of the upper safe limit is to protect the radio from component damage Only move sliders...

Страница 32: ...ad only field and is set automatically after reading the radio or opening a file or manually using the Radio Model toolbar Band Displays the frequency band in which the radio operates as indicated by...

Страница 33: ...screen Print output a Select the File Print menu command or click the Print button on the toolbar b Click the Select All button c Click Print Screen output a Connect a radio to the PC The radio does n...

Страница 34: ...nalog DAC converters AD6521 voltage reference is calibrated using the main power supply voltage This is measured at the radio terminals using a multimeter The result is entered into the Supply Voltage...

Страница 35: ...tor in the radio must be biased at a constant current Each transistor is different and so requires a different voltage to obtain the same current The Final Gate Bias 1 test must be completed first bef...

Страница 36: ...second row 4000Hz for channels with a bandwidth of 20kHz and third row 5000Hz for channels with a bandwidth of 25kHz Rx Peak Deviation Sets the maximum receive bandwidth for narrow medium and wide ba...

Страница 37: ...m Hysteresis for Squelch Detect Type Signal Strength Sets the hysteresis of country city and hard when the squelch detect type is set to signal strength The hysteresis determines how much lower than t...

Страница 38: ...d in the receiver path Opening Pt and the point at which the gain will be restored to the original level Hysteresis These fields only apply to VHF radios A B C and D band and should not be changed fro...

Страница 39: ...to 8 These values specify the VCO calibration frequencies in Hz used during the radio s power up auto calibration sequence KVCO Chk Val 1 to 8 These values show the VCO calculated gain kHz V Receiver...

Страница 40: ...aximum points in dB SINAD from which rows 1 and 2 of the Mute Point Readings grid are derived Mute Noise Pt Min and Max 20kHz BW Sets the medium band minimum and maximum points in dB SINAD from which...

Страница 41: ...equencies of the band Power Level Sqrt 0 to 4 Shows constants that are used by the radio during certain power related calculations These values are derived from the square root of each desired power l...

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