PBL38573 Speech Circuit for constant current feeding systems

Ericsson

Description

PBL 385 73 June 1999 PBL 385 73 Speech Circuit for constant current feeding systems .
PBL 38573 is a monolithic integrated speech transmission circuit for use in electronic telephones.

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Datasheet Specifications

Part number: PBL38573
Manufacturer: Ericsson
File Size: 324.00 KB
Datasheet: PBL38573_Ericsson.pdf
Description: Speech Circuit for constant current feeding systems

Features

* Minimum number of external components for function,with one filtered DC-supply. 6 capacitors and 10 resistors. Easy adaption to various market needs. Mute control input for operation with DTMF - generator. Transmitter and receiver gain regulation for automatic loop loss compensation. Disc

Applications

* information. 3. External resistor in the test set up. 4. The DC output voltage is reduced at low line voltage (see fig. 8). 3 PBL 385 73 +L 1 TO 2 TI 3 +C 4 Mute 5 GR 6 DCO 7 14-pin DIP 14 13 12 11 10 9 8 RE 2 +L 1 14 RE 2 13 RE 1 12 RI 17 -L 11 16 MI 2 10 9 8 RE 1 RI -L MI 2 MI 1 MO TO 2 TI 3

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PBL38573 Speech Circuit for constant current feeding systems Ericsson

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