Does the counter show any DC on its input, and is the tinySA’s input cap now shorted?
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I had mine at what I think is maximum output (-18 dbm) for 45 minutes feeding my scope without a probe and then I tee'd in a 50 ohm input frequency counter and that killed the AS179-92LF input switch. It took a few seconds, I was watching the scope and the signal decayed within 5 seconds of hooking up the counter.
Bob
