UTC1240A - Electronic Dual Tone Ringer
LI NEAR I NTEGRATED CI RCUI T ELECTRONIC DUAL-TONE RINGER The UTC1240A are monolithic integrated circuits designed to replace the mechanical bell in telephone sets in connection with an electro-acoustical converter.Both devices can drive directly a piezoceramic converter (buzzer).
The output of UT
UTC1240A Features
* Low current consumptioin,in order to allow the parallel operation of 4 devices. against overvoltage.
* Little external circuitry.
* Tone and switching frequencies adjustable
* Intergrated voltage and current hysteresis DataSheet4U.com by external components.
* Integrated recti
