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TCA3388 telephone line interface circuit

2016-02-04 03:05  
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The TCA3388 is a telephone line interface circuit which performs the basic functions of a telephone set in combination with a microcontroller and a ringer. It includes dc and ac line termination, the hybrid function with 2 adjustable sidetone networks, handset connections and an efficient supply point.This circuit should be useful for interfacing phone projects to the telephone line.It has a ringer, can interrupt the wiring, and isolates project from the phone line.Lightning protection of phone line interface circuits is a complicated topic. The specific protection circuit that will provide the best protection at the lowest cost will depend heavily on the type of interface being protected, the circuits used to implement that interface, and the type of equipment in which the interface is installed.
 

Phone Line Interface Circuit