M8870 - DTMF Receiver

Clare

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Datasheet Details

Part number: M8870
Manufacturer: Clare
File Size: 507.32 KB
Datasheet: M8870_Clare.pdf
Description: DTMF Receiver

M8870 Product details

Description

M-8870 operating functions (see Figure 2) include a bandsplit filter that separates the high and low tones of the received pair, and a digital decoder that verifies both the frequency and duration of the received tones before passing the resulting 4-bit code to the output bus.

Features

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