R3KBO

club radio station

Project participants:

- UA3QLC Victor

- R3KR Victor

 

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TX-RX unit less TNC 1000W / Плата коммутации приема-передачи без TNC разъемов

TX-RX UNIT less TNC

1000W

Цена: 1 562 руб.
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ПЛАТА КОММУТАЦИИ ПРИЕМА-ПЕРЕДАЧИ БЕЗ TNC РАЗЪЕМОВ

1000W

RX-TX unit

This unit is intended to provide the switching of amplifier between receive and transmit modes.

Input signal is PTT line from transceiver.

When PTT input goes low, the relays directs the signal from transceiver to PA input and from PA output to antenna. When PTT is high (RX mode) the antenna is connected directly to transceiver.

It provides the ALC voltage to control the maximum output power of transceiver and additional +15V in TX mode for different user applications.

One more coax connector may be installed on PCB to provide the attenuated (low level) RF voltage for automatic band decoder, if required.

$24

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