Other side:
Schematic:
Are you using the BJT to create an AC signal? If so, how?
this post was submitted on 31 Jul 2023
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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)