DTMF DECODER

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This is low cost circuit for detecting the dial tone (Dual tone Multi-Frequency, DTMF) from a Mobile/Telephone line.

Category:

Description

1. Operating Voltage: 7 to 12V DC. 2. Low power consumption. 3. On board 5V regulator. 4. Direct connection. 5. 4 PIN header interface for output 6. LED Indicators for POWER & DATA output.

 

Output Logic

Circuit diagram.

CM8870-circuits

Additional information

Weight 10 g
Dimensions 70 x 40 x 15 mm

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