Remote ring extender switch

Posted on Aug 13, 2012

The circuit can operate lamps and buzzers from the 120 V, 60 Hz power line while maintaining positive isolation betweenthe telephone line and the power line

Remote ring extender switch
Click here to download the full size of the above Circuit.

Use of the isolated tab triac simplifies heat sinking by removing the constraint of isolating the triac heat sink from the chassis.

Leave Comment

characters left:

New Circuits



Popular Circuits

Solar tracking System with AT89C2051
Ambisonic soundfield type Microphone
1w led driver
Tunnel Diode Relaxation Oscillator
XR-8038 precision frequency generator
Undervoltage delay tripping a circuit
One infrared burglar alarm circuit
Dual AC radio remote control switch circuit diagram
With self-locking function of the forward start circuit