This inverter is critical for transformers and can use modern equivalent transistors like MJ2955 on the output. The circuit provides a 115 V sinusoidal voltage with 12 V input.
This old AM receiver with an integrated circuit came out in a documentation from the 80s. The...
Suggested by a 1966 publication, this circuit applies a 60 Hz signal to a transistor to test its...
This mini siren, found in a 2003 publication, powers a small piezoelectric transducer, but a...