- Basic Service Manual - Repeater Builder
- Motorola HT750 - UHF/VHF/Low Band -
- Service Manual MOTOROLA HT 750
- Motorola HT750 HT1250 Service
Basic Service Manual - Repeater Builder
The good news is, the interface does not require any transistors or ICs for the PTT part of the circuit, because the serial port provides positive-going logic on the RTS pin for transmit.
Motorola HT750 - UHF/VHF/Low Band -
It is only necessary to limit the current, and this can be accomplished with a 47K resistor.
Service Manual MOTOROLA HT 750
Other Portable HF SSB Radio Collector Articles: Kachina MP-25 Scientific Radio Systems SR-MP-25 HF SSB Manpack Transceiver User Manual Service Manual Mizuho MX-7S HF SSB 7 MHz HT Handheld Transceiver User Manual Service Manual Tokyo Hy-Power HT-750 HF SSB HT Handheld Transceiver for 7 MHz 21 MHz 50 MHz User Manual Service Manual Dital Modes with the Tokyo Hy Power HT-750 HF SSB HT Transceiver The HT-750 has a connector on the side for using an external speaker microphone.
Motorola HT750 HT1250 Service
The PTT logic HI (approximately 3V to 5V) is supplied to the sleeve of the stereo micro mini plug, relative to the SP speaker ground sleeve.
Motorola ht 750 service manual:
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