Essential articles needed to mount and operate your TRX-SDR Switch kit
The TRX-SDR Switch by LZ1AQ has been open sourced. You can now download the complete schematics and documentation which will allow you to make your own boards.
KiCad is needed for opening the schematics.
Learn how to operate your kit, and what checks to make before using the device. There is useful info about jumper positions, LED lights, audio paths and cable positions.
Learn how to synchronize your SDR software with your transceiver (TRX). What interface is needed, the commonly used ports, and software setup examples.
Information about the available protection circuits and fuses. How to setup the switch with separate receiving antenna, and how to disconnect the SDR input from the common antenna.
Warning: Using the TRX-SDR Switch with a Power Amplifier requires a particular wiring!
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