Ramakrishnan VU2JXN on Nostr: I looked at the tinySA output of my amplifier (before feeding it into the LPF) and it ...
I looked at the tinySA output of my amplifier (before feeding it into the LPF) and it looks terrible.. I think there is some kind of self oscillation or instability. The levels jump a lot. For the first few seconds, I see a lot more frequencies than the signal+harmonics.
Here is a short video (no need to log into google):
https://photos.app.goo.gl/thieGdoqTGv75se97Published at
2023-12-24 13:26:01Event JSON
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"content": "I looked at the tinySA output of my amplifier (before feeding it into the LPF) and it looks terrible.. I think there is some kind of self oscillation or instability. The levels jump a lot. For the first few seconds, I see a lot more frequencies than the signal+harmonics.\n\nHere is a short video (no need to log into google): https://photos.app.goo.gl/thieGdoqTGv75se97",
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