The MT8870 is a DTMF (Dual-Tone Multi-Frequency) receiver integrated circuit. Here are some key features and functions of the MT8870 IC:DTMF Decoding: The primary function of the MT8870 is to decode DTMF signals, which are commonly used in telephone systems for dialing numbers.
Frequency Detection: It is capable of detecting the two frequencies that represent each key on a standard telephone keypad.
Digital Output: The IC provides a digital output corresponding to the decoded DTMF signal. This output is often in the form of a 4-bit binary code representing the pressed key.
Valid Output Signal: The MT8870 generates a valid output signal to indicate when a DTMF digit has been detected and is ready to be read.
Dial Tone Rejection: The IC is designed to reject continuous dial tones, focusing on recognizing valid DTMF signals.
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MT8870DE MT8870 – Integrated DTMF Receiver IC Price in Pakistan
Original price was: ₨ 750.₨ 650Current price is: ₨ 650.
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