This circuit monitors the output of a stereo amplifier, checking the balance and balance between the channels. The circuit is from American documentation from the 70s.
The circuit presented is from the National Semiconductor's Linear Applications Handbook of 1994. We...
This is one of the many versions we have of a 12 V power supply with the 7812. We found it in the...
This fader or fader was found in a 90s Popular Electronics. The circuit uses transistors that are...