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PBL38571

Part Number	PBL38571
Manufacturer	Ericsson
Description	High current Speech and Line interface Circuit
Published	Mar 22, 2005
Detailed Description	PBL 385 71 June 1999 PBL 385 71 High current Speech and Line interface Circuit Description. PBL 38571 is a monolithic i...
Datasheet	PBL38571 PDF File

Overview

PBL 385 71 June 1999 PBL 385 71 High current Speech and Line interface Circuit Description.
PBL 38571 is a monolithic integrated speech transmission circuit for use in electronic telephones and as DECT line interface with balanced in - and output.
It is designed to accomodate either a low impedance dynamic microphone or an electret microphone that can be supplied from the circuits own DC - supply.
A signal summing point at the transmitter input is available.
An internally preset line length compensation can be adjusted with external resistors to fit into different current feed systems as for ex.
48 V, 2 x 200 ohms, 48 V, 2 x 400 ohms and 48 V, 2 x 800 ohms.
The line regulation can be shut of...

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