IDT821621 Просмотр технического описания (PDF) - Integrated Device Technology

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IDT821621

LONG HAUL SLIC

Integrated Device Technology 

List of Figures

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Loop-Detect Threshold Setting .............................................................................................................................................................. 7

Ring-trip Detection ................................................................................................................................................................................. 8

Relay Drivers Schematic........................................................................................................................................................................ 8

DC Feeding Characteristics ................................................................................................................................................................... 8

DC Feed Programming Circuit............................................................................................................................................................... 8

Two-Wire AC Input Impedance Programming Network ....................................................................................................................... 11

Two-Wire Return Loss ......................................................................................................................................................................... 15

Longitudinal Balance............................................................................................................................................................................ 15

Four-Wire Longitudinal Signal Generation........................................................................................................................................... 16

Two-to-Four Wire Gain......................................................................................................................................................................... 16

Four-to-Two Wire Gain and Four-to-Four Wire Gain ........................................................................................................................... 17

Loop Detector Switching ...................................................................................................................................................................... 17

Basic Application Circuit....................................................................................................................................................................... 18

List of Figures

3

October 8, 2003

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