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.




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