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JOTRON electronics a.s.

December, 99

Page 26

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Содержание TR6101

Страница 1: ...Technical Handbook and Maintenance Manual TR6101 VHF Ground to Air Radio Transceiver 3280 TJODALYNG NORWAY...

Страница 2: ...JOTRON electronics a s December 99 Page 2...

Страница 3: ...D AMDT INCORP BY DATE PAGE S AMDT INCORP BY DATE PAGE S 1 OH 11 9 95 29 45 46 79 80 21 2 BJ 25 3 96 92 22 3 OH 19 11 96 74 23 4 OH 25 9 97 11 24 5 ER 20 04 99 EM3215 11 25 6 26 7 27 8 28 9 29 10 30 11...

Страница 4: ...JOTRON electronics a s December 99 Page 4...

Страница 5: ...Oxide If inhaled dust from this oxide can be toxic No danger will arise from normal handling but no attempt should be made to tamper with these devices On no account must these transistors be destroy...

Страница 6: ...JOTRON electronics a s December 99 Page 6...

Страница 7: ...TTER 22 4 INTERNAL ADJUSTMENTS 23 4 1 SQUELCH ADJUSTMENT 23 4 2 MODULATION AND POWER ADJUSTMENT 24 5 TECHNICAL DESCRIPTION TR 6101 27 5 1 GENERAL 27 5 2 POWER SUPPLY POWER BOARD 27 5 3 FRONT BOARD 28...

Страница 8: ......

Страница 9: ...er supply AC 115 230 V 10 DC 24 32 V floating ground Power output will be reduced when power supply is below 26V Power consumption Less than 75 VA at 10W output 95 modulation Environmental conditions...

Страница 10: ...fering signals of equal amplitude and at least 70 dB more than the desired signal and at a distance of 100 kHz from the operating frequency will not generate 3rd order intermodulation products at the...

Страница 11: ...5 dB at 90 mod Frequency response 300 2900 Hz 2 6 dB ref 1kHz At least 20 dB at 100Hz and 5 kHz Mod index 90 AM Line input 600 balanced 30 to 10 dBm Microphone input 600 5mV sensitivity Supply voltage...

Страница 12: ...JOTRON electronics a s December 99 Page 12...

Страница 13: ...ED Lit when AC power is connected and unit switched on DC indicator Yellow LED Lit when internal DC is present i e the transceiver is operated on either AC or DC Power ON OFF switch Main switch to tur...

Страница 14: ...n microphone socket The 6 pin microphone socket has the following pin assignment Microphone input No connection P T T Local key input Microphone ground Speaker headphone out Speaker headphone in Local...

Страница 15: ...ng or recalling memory channels Function switch The switch has 4 positions In OFF position the transceiver is switched off In CH position 8 different channels can be selected with the SELECT switch In...

Страница 16: ...configuration PIN NO 1 SIDETONE OUTPUT The sidetone output is a high impedance output which can be used to monitor the transmitted audio The signal is the AC component of the demodulated signal when t...

Страница 17: ...D1 REMOTE CHANNEL SELECTION NSB1 The pin is the second most significant bit of the remote channel selection A TTL signal is used to set the channel the signal is active low 0V referred to GND pin 14...

Страница 18: ...ay See pin 19 for operation 19 AUXILIARY CONTACT CENTER PIN The pin is connected to the centre pin of an auxiliary relay The relay operates by default when the transceiver is keyed or the squelch is o...

Страница 19: ...The transceiver will automatically draw the current from this input when the AC voltage is not present Pin A is 27 V DC Pin B is internal ground 0V not chassis AC INPUT CONNECTOR Input for external A...

Страница 20: ...JOTRON electronics a s December 99 Page 20...

Страница 21: ...radio is set correctly The radio is normally supplied with transformer wired for 230VAC but it is possible to rewire it to 115VAC The input voltage is marked on the rear panel close to the AC socket 3...

Страница 22: ...desired frequency to be programmed as described in section 3 3 Now push and hold in the SQUELCH button while turning the SELECT button clockwise simultaneously The new frequency will now replace the...

Страница 23: ...trim pot for the squelch adjustment on the left hand side of this unit Connect a signal generator with a modulation of 30 AM and modulated with a 1 kHz audio signal to the antenna input socket The le...

Страница 24: ...s characterised in that the modulation is applied to an early stage of the transmitter This is accomplished by the use of a negative feedback so that the modulation is kept linear Since the driver uni...

Страница 25: ...djust the output power to more than 10W although it is possible to do such adjustment the result will be an distorted output signal because the transceiver could not handle the peak power that will re...

Страница 26: ...JOTRON electronics a s December 99 Page 26...

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