MT8889C Integrated DTMFTransceiver with Adaptive Micro Interface

Mitel Networks Corporation

Description

MT8889C/MT8889C-1 ® Integrated DTMF Transceiver with Adaptive Micro Interface .
The MT8889C is a monolithic DTMF transceiver with call progress filter.

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Datasheet Specifications

Part number: MT8889C
Manufacturer: Mitel Networks Corporation
File Size: 356.09 KB
Datasheet: MT8889C_MitelNetworksCorporation.pdf
Description: Integrated DTMFTransceiver with Adaptive Micro Interface

Features

* Central office quality DTMF transmitter/ receiver Low power consumption High speed adaptive micro interface Adjustable guard time Automatic tone burst mode Call progress tone detection to -30dBm ISSUE 2 May 1995 Ordering Information MT88

Applications

* Credit card systems Paging systems Repeater systems/mobile radio Interconnect dialers Personal computers The receiver section is based upon the industry standard MT8870 DTMF receiver while the transmitter utilizes a switched capacitor D/A converter

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Integrated DTMFTransceiver with Adaptive Micro Interface Mitel Networks Corporation

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