This circuit, found in a 1964 US documentation, consists of a selective amplifier that lets only 10 Hz pass around a 400 Hz center frequency with the indicated components.
This circuit is from Motorola's Linear Databook from 1990. The integrated circuit used is no...
The figure shows how to connect a relay to obtain the latch effect. The circuit is from an...
Suitable for the use with sensors, this circuit from National Semiconductor appears in other...