1996 Oct 17

12

Philips Semiconductors

Objective specification

DECT baseband controllers

PCD5090; PCA5097

Fig.4 Block diagrams of DECT systems with PCx509x.

handbook, full pagewidth

MGE586

MICROPHONE

EARPIECE

PCx509x

RADIO

CIRCUITS

a. Handset.

b. Base with analog interface and echo cancellation; up to 6 portables can be handled.

c. Base with digital interface and analog handset connected; up to 6 portables can be handled.

handbook, full pagewidth

PCx509x

a/b line

MGD745

LINE

INTERFACE

(e.g. PCD1070)

RADIO

CIRCUITS

handbook, full pagewidth

PCx509x

MGD746

MICROPHONE

EARPIECE

RADIO

CIRCUITS

2

2 x IOM or

2 x ADPCM-CODEC or

a combination