[DXZone] Isolated PTT and CW Key interface
 

The DXZone.com Amateur Radio Internet Guide

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Isolated PTT and CW Key interface

Posted:
https://www.dxzone.com/dx34197/isola...interface.html

Technical Reference/Sound Card Radio Interfacing
Simple soundcard interface that can satisfy several requirements like
totally isolated AF interface, Totally isolated PTT and CW Key interface,
Extend Accessory connector to interface to allow easy connection of TNC and
provide a solid PTT or SEND connection