@starsandrobots it's been amusing as well to see which circuit simulators can and cannot model it functioning. Depends on analog effects so
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Replying to @starsandrobots
@starsandrobots simulators that treat every transistor as being perfectly identical fail to be able to model the behavior of this one2 replies 0 retweets 5 likes -
Replying to @starsandrobots
@starsandrobots so a ton of simulators model relaxation oscillators as having no output & you have to kickstart 'em with a brief transient1 reply 0 retweets 1 like -
Replying to @bofh453
@starsandrobots I guess the people writing them forgot to add in the photoelectric effect. :P2 replies 0 retweets 1 like -
Replying to @bofh453
@starsandrobots anyway, isn't that LED flasher just an astable multivibrator? IMO that's one of the easier oscillators to explain.1 reply 0 retweets 0 likes -
Replying to @starsandrobots
@starsandrobots first off, interesting that you use PNP BJTs there, I've always seen NPN. Anyway, here goes:1 reply 0 retweets 0 likes -
Replying to @bofh453
@starsandrobots you have a pair of positive feedback amplifiers that rapidly switch on at a given Vbe, cross-coupled with capacitors2 replies 0 retweets 0 likes -
Replying to @bofh453
@starsandrobots (actually give me a few minutes, this is trickier to explain in simple terms accurately than I gave it credit).1 reply 1 retweet 5 likes
@bofh453 (somewhat tempted to retweet you but I'll hold back)
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Replying to @starsandrobots
@starsandrobots feel free to, fwiw, I don't mind.0 replies 0 retweets 0 likesThanks. Twitter will use this to make your timeline better. UndoUndo
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