This circuit tunes MW radios to apply the signal to a good audio amplifier. The circuit is from an old documentation. Transistors are general purpose types.
This circuit is from a 1968 Electronic Design. The components are from the era and the operating...
This circuit was found in an Electronic Design from the 90s. The integrated circuit is from that...
This circuit, from a 1988 documentation, activates a relay for a period and has a touch shutdown as...