This 80's circuit uses a germanium transistor like the AC121. The circuit has an output transformer of the type found on many transistor radios of the time.
This damped oscillator generates percussion sounds played on a small amplifier. The circuit mimics...
This circuit is suggested by National Semiconductor and has an excellent gain, for a photodiode as a...
This class B circuit was found in the 1960 Mullard transistor reference manual. Transformers are...