One thing you might have fun with is the Lambda diode oscillator.
https://www.nutsvolts.com/questions-and-answers/fun-with-negative-resistance
Diane Bruce VA3DB
npub1xa…waqwx
2025-03-20 20:34:36 UTC
in reply to nevent1q…dvml
Author Public Key
npub1xafrwzuydsp76ucht0qe7uc9rlkavznfa8q6p4aqcqkdvpfruvlqhwaqwxSeen on
wss://relay.momostr.pinkPublished at
2025-03-20 20:34:36 UTCEvent JSON
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