This filter is intended for 60 Hz noise suppression in amplifiers. We found it in American documentation from the 60s.
This circuit is suggested by Motorola, using a 4N26 type coupler and an MC1733 type operational....
At dusk this circuit triggers a relay switching lamps. The circuit can be powered from 6 to 12 V...
September 2016 - Mouser Electgronics already has in stock the new moisture digital sensor HDC1010...