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XR·T5660
Low Power T1, T148C, & 2 M Bitls Repeater
GENERAL DESCRIPTION
The XR-T5660 is a monolithic bipolar low power version of the XR-T5620 repeater circuit for T1 type carrier system operating at 1.544 M bitls (T1), European 2 M bitls or 2.37 M bitls (T148C). It provides all of the active circuitry required for one side of a PCM repeater. A crystal filter clock extraction version is available as XR-T5760.
FEATURES
Low Power Single 5.1 V Power Supply Triple Matched Automatic Line Build-out (ALBO) Ports 2 M Bitls Capability
APPLICATIONS
T1 PCM Repeater T148C PCM Repeater European 2 M Bitls PCM Repeater T1C PCM Repeater (requires external amplifier)
FUNCTIONAL BLOCK DIAGRAM
ALBO GROUND
ALBO PORT 1
ALBO PORT 2
ALBO PORT 3
PREAMP -liE INPUT
PREAMP .. VE INPUT
PREAMP -liE OUTPUT
PREAMP .