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M-980-02

Clare  Inc.
Part Number M-980-02
Manufacturer Clare Inc.
Description 3V/5V General Purpose Call Progress Tone Detector
Published Mar 30, 2005
Detailed Description M-980-02 3V/5V General Purpose Call Progress Tone Detector Features • Covers the 315 to 640 Hz range (common call progre...
Datasheet PDF File M-980-02 PDF File

M-980-02
M-980-02


Overview
M-980-02 3V/5V General Purpose Call Progress Tone Detector Features • Covers the 315 to 640 Hz range (common call progress) • Sensitivity to -38 dBm • Dynamic range over 38 dB • 40 ms minimum detect • 8-pin DIP or 16-pin SOIC • Single supply CMOS (low power) • Supply range 2.
8 to 5.
5 VDC • Inexpensive 3.
58 MHz time base • Low power consumption (<_15 mW at 3V) Applications • Automatic dialers • Dialing modems • Traffic measurement equipment • Test equipment • Service evaluation • Billing systems Pin Diagram Description The M-980-02 is an integrated circuit tone detector for general purpose use in automatic following of switched telephone calls.
The circuit uses low-power CMOS techniques to provide the complete filtering and control required for this function.
The basic timing of the M980-02 is designed to permit operation with almost any progress tone system.
The use of integrated circuit techniques allows the M-980-02 to pack the complete frequency and amplitude portion of call progres...



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