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 simple circuit of effects is interspersed between the instrument and the amplifier. It is...
January 2017 - STMicroelectronics' new TN4015H SCRs with 40 A currents and high temperature...
This circuit is for old telephones with analog lines. It was found in the May 1988 Radio...