DTMF Decoder Module MT8870

The MT8870 Tone Decoder is a kind of common used multifrequency decode IC product developed by the MITEL company. It is a compete DTMF receiver. After it received the DTMF signal, it will divide the signal into high frequency group and low frequency group and send the signal to the digital decoder which can figure out the key value then send it to the outside Bus via four lines( Q1, Q2, Q3, Q4) as the binary form.

FEATURES:

1. Working voltage: 5V
2. Power Consumption: 500MW(MAX)r: 500 mw (MAX)
3. On-board voice input interface
4. On-board LED, it is very convenient to check the output state.

PHYSICAL DIAGRAM:

RELATED DOCUMENTS:

1.  Datasheet.

APPLICATIONS:

1. Receiver system for British Telecom (BT) or CEPT Spec (MT8870D-1)
2. Paging systems
3. Repeater systems/mobile radio
4. Credit card systems
5. Remote control
6. Personal computers
7. Telephone answering machine

PACKAGE INCLUDES:

1. 1 X DTMF Decoder Module MT8870

Note: ID Card Required for Purchasing this Module.