PBL38541 Datasheet - Ericsson

PBL38541 Universal Speech Circuit

PBL 38541 is a monolithic integrated speech transmission circuit for use in electronic telephones or in any other line interface application. High settable supply current for auxiliary functions, up to 6.0 mA (at high line currents). The circuit is designed to accomodate either a low impedance dyna.

PBL38541 Features

* Minimum number of external components, with two filtered DCsupplies, 7 capacitors and 11 resistors. Easy adaption to various market needs. Mute control input for operation with DTMF - generator. A separate signaling input for payphone and DTMF tones controlled by mute. Transmitter and rec

PBL38541_Ericsson.pdf