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U4070B-FP

TEMIC Semiconductors
Part Number U4070B-FP
Manufacturer TEMIC Semiconductors
Description Tone Ringer Interface
Published Apr 16, 2005
Detailed Description U4074B Tone Ringer Interface Description The U4074B is a monolithic integrated circuit that contains all integral compon...
Datasheet PDF File U4070B-FP PDF File

U4070B-FP
U4070B-FP

Overview
U4074B Tone Ringer Interface Description The U4074B is a monolithic integrated circuit that contains all integral components of a ringing circuit for telephone sets used in conjunction with a microcomputer.
The combination of a microcomputer and the U4074B permits flexible programming of the ringing sequence ( melody), tone and volume control.
Ringing frequency detection takes place in the microcomputer.
The U4074B is responsible for the interface to the line, driver stages for the piezoelectric sound transducer, volume adjustment, amplitude detection, voltage supply for the microcomputer and other auxiliary functions.
Features D Suitable for specifications FTZ 1TR2 and ETR 2 D Rectifier br...


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