PBL3726-18A Datasheet (Ericsson) - Universal Speech Circuit

PBL3726-18A, Universal Speech Circuit

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.

Different regulation for

PBL3726-18A 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