The circuit presented is from the Motorola Linear Databook of 1990. The integrated circuit is a transconductance operating and the power supply need not be symmetrical.
This circuit can be used in AM and FM receivers to cut off the peaks of a signal functioning as a limiter...
When the sensor, an ordinary photo-transistor, receives light, the relay closes its contacts. The...
This circuit transforms your low sensitivity analog multimeter into an electronic voltmeter with...