2-Way RF Switch
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The 2-way RF switch is a new addition to the Portsdown system. It decodes a signal sent on the symbol rate switching lines (all 3 high, which was previously unused) which is used to indicate that the LimeSDR output should be used, rather than the Filter-modulator board.
The block diagram shows a comprehensive arrangement with all the features. Many of the blocks are optional – it depends on your requirements.
