This circuit for audio applications was found in an English magazine from the 80's. The circuit has a pass band below 3 kHz making it ideal for telecom applications.
) This circuit was found in a 80’s Popular Electronics. It issues a warning signal with the signal...
This circuit consists of a traditional amplifier version with complementary output using BD series...
The circuit below shows how to configure 3 gates of a 7400 to obtain a rectangular signal from a...