Hi,
lAfter a long time of issue-free work my PSK synchronisation failed spontaneously after a couple of minutes and doesn’t lock again. I checked all HW and SW. No success.
At last I discovered the cause: Terrible short spikes on the 50 Hz energy network – probably generated from high energy inverters in the neighbourhood - pushed the LNB’s local oscillator far away of the SDRC’s catching area. In all Europe the 50 Hz network is in bad shape, even you shouldn't trust the 50 Hz as time base.
A reliable DC-Buffer for the LNB-supply solved the problem.
73, Helmut, DC6NY
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PSK synchronisation
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