Datasheet4U Logo Datasheet4U.com

U4030B - Telephone Speech Circuit

U4030B Description

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

U4030B 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

U4030B 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

📥 Download Datasheet

Preview of U4030B PDF
datasheet Preview Page 2 datasheet Preview Page 3

Datasheet Details

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

📁 Related Datasheet

  • U403 - Dual N-Channel JFET Switch (Calogic LLC)
  • U401 - Dual N-Channel JFET Switch (Calogic LLC)
  • U402 - Dual N-Channel JFET Switch (Calogic LLC)
  • U404 - Dual N-Channel JFET Switch (Calogic LLC)
  • U405 - N-Channel JFETs (Siliconix)
  • U406 - N-Channel JFETs (Siliconix)
  • U4062B - HF Front End (Temic)
  • U4065B - FM Receiver IC (Atmel)

📌 All Tags

TEMIC Semiconductors U4030B-like datasheet