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![]() The DXZone.com Amateur Radio Internet Guide /////////////////////////////////////////// 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 |
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