HT9170 DTMF Receiver

45.00

10 in stock

SKU: HT9170B Categories: ,

Description

HT9170 DTMF Receiver. It  is an Dual Tone Multi Frequency  receivers. Integrated with digital decoder and band split filter functions. The HT9170B and HT9170D types supply power-down mode and inhibit mode operations. HT9170 series use digital counting techniques to detect and decode all the 16 DTMF tone pairs into a 4-bit code output. Highly accurate switched capacitor filters are employed. To divide tone  signals into low and high group signals. A built-in dial tone rejection circuit is provided to eliminate the need for pre-filtering.

HT9170 DTMF Receiver consist of three band pass filters and two digital decode circuits to convert a tone (DTMF) signal into digital code output.

Additional information

Weight 3 g

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