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PBL3726-18A Datasheet Universal Speech Circuit

Manufacturer: Ericsson

Overview: March 1996 PBL 3726/18A Universal Speech Circuit.

Datasheet Details

Part number PBL3726-18A
Manufacturer Ericsson
File Size 190.40 KB
Description Universal Speech Circuit
Datasheet PBL3726-18A-Ericsson.pdf

General Description

PBL 3726/18A is a standard version of the PBL 3726 family of the mask-programmable, monolithic integrated speech circuits for use in electronic telephones.

It is designed for use with a low impedance microphone.

Transmitting and receiving gain is regulated with line length.

Key Features

  • Minimum number of inexpensive external components, 7 capacitors and 11 resistors.
  • Mute function for operation with DTMF-generator.
  • Transmit and receive gain regulation for automatic loop loss compensation.
  • Extended current and voltage range 5 - 130 mA, down to 2 V.
  • Differential microphone input for good balance to ground.
  • Balanced receiver output stage.
  • Short start-up time.
  • Stabilized DC-supply for low current CMOS d.

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PBL3726-18A Distributor