transmit receive switch

transmit receive switch

Technical Reference : Coax Cables and Connectors

• QRO Coaxial Relay for 50 MHz - Build a SPDT coaxial relay that can be used as a main Transmit/Receive relay or an A-B switch to select between two different 6m antennas
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• QST signalink review - SL-1 - Designed to handle audio signal interfacing as well as transmit/receive switching Reviewed by Steve Ford, WB8IM
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• Arduino Repeater Controller - This blog article introduces an updated repeater controller project utilizing the Arduino UNO. It includes a CW identifier, and the ID message can be customized using hex codes. The author offers a Windows command line program for easier message coding and provides a link for download. The controller features three adjustable timers for IDer, Timer-out, and Squelch-tail. The article also mentions the use of an audio switch to control audio levels between the receiver and transmitter. Detailed instructions and code files are available on the author's website for both version 1 and version 2 of the Arduino repeater controller. The project aims to enhance repeater functionality and audio management in ham radio operations.
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• A 6M Transverter - Build a transverter based on a 6M receive converter. A 32MHz TTL oscillator is used as the local oscillator for both transmitting and receiving. RX/TX switching is handled by three SPDT relays.
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