This circuit allows you to adjust the balance between channels of a stereo amplifier. The circuit makes use of an analog indicator with zero in the center of the scale.
This circuit fires emitting sound when light hits the sensor. The adjustment can be a...
The circuit uses a fast Norton amplifier in a configuration that excites a 75 ohms line. The...
This circuit is from the 1977 RCA Linear Integrated Circuits Manual. The circuit has a...