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HT9170 Holtek DTMF Receiver (pack of 5)


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  • Wide Operating Voltage
  • Minimal External Components
  • No External Filter Required
  • Low Standby Current
  • Excellent Performance
  • 18pin DIP IC
  • Operating voltage: 2.5V~5.5V

375.00 799.00 incl. GST

The HT9170 series are Dual Tone Multi Frequency (DTMF) receivers integrated with digital decoder and bandsplit filter functions. The HT9170B and HT9170D types supply power-down mode and inhibit mode operations. All types of the 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 (DTMF) signals into low and high group signals. A built-in dial tone rejection circuit is provided to eliminate the need for pre-filtering.
Package includes :
 1 x HT9170 Holtek DTMF Receiver
Category:

Wide Operating Voltage

Minimal External Components

No External Filter Required

Low Standby Current

Excellent Performance

18pin DIP IC

Operating voltage: 2.5V~5.5V

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