U4030B Telephone Speech Circuit

TEMIC Semiconductors

Description

www.DataSheet4U.com U4030B Telephone Speech Circuit .
The U4030B is an electronic speech circuit for standard and feature telephones.

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Datasheet Specifications

Part number: U4030B
Manufacturer: TEMIC Semiconductors
File Size: 142.94 KB
Datasheet: U4030B_TEMICSemiconductors.pdf
Description: Telephone Speech Circuit

Features

* D Microphone amplifier with
* Symmetrical input
* Privacy function
* Anticlipping D Built in ear protection D Power down input D Mute input D DTMF interface D Low line impedance during pulse dialing Benefits D Independent adjustment of
* Transmission gain
* R

Applications

* D Standard telephone D Fax machine D Answering machine D Cordless telephone Block Diagram GT 11 DTMF PRIV MIC1 MIC2 10
* + MICO 9 ST 5 +
* GR 6
* + Ear protection RECO 7 16 12 13 4 TXA REC. ATT. CK 15 Limiter Mute 3 CLIM 8 MUTE 17 PD Power supply U 4030 B 14 GND 18 SWAMP

U4030B Distributors

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Telephone Speech Circuit TEMIC Semiconductors

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