this post was submitted on 31 Jul 2023
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Electronics

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[โ€“] glibg10b@lemmy.ml 3 points 1 year ago (1 children)

Are you using the BJT to create an AC signal? If so, how?

[โ€“] nothacking@discuss.tchncs.de 4 points 1 year ago* (last edited 1 year ago)

Just a blocking occilstor based on a 2N3904. I later found that adding a capacitor across the coil connected to the transistors emiter and operating it at resonance, greatly improves the power consumption. (30mA to 1mA)