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PTT Driver board for Kenwood TL922

The new PTT driver board for Kenwood TL922 power amplifier

The PTT driver board for Kenwood TL922 power amplifier itís a retrofit module to obtain a low voltage PTT input from the original higher open circuit voltage of about 90V.
This high voltage can be a problem and cause damage on the PTT output of some modern transceivers, so this module convert the original PTT input (RL CONT) to a low voltage (about 12V of open circuit voltage) solid state PTT input.

Download the TL922 PTT driver board installation guide

The board is delivered as full assembled and ready to install in the amplifier.

The specifications:

- Operating voltage: 70V-110VDC
- Power requirements: max. 2mA@80V
- PTT Input open circuit voltage: about 12VDC
- PTT Input sink current: about 1mA
- Board size: 55x25mm

This product was added to our catalog on Friday 17 May, 2024.
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