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HT9020B Datasheet - Holtek Semiconductor

HT9020B - Call Progress Tone Detector

The HT9020B call progress tone detector is a telecom peripheral for Auto-dialing system use.

Switched capacitors technology is implemented into the chip to get good performance characteristics of band pass filter in the range of 305 to 640Hz call progress tone which is dual tone multi-frequency sign

HT9020B_HoltekSemiconductor.pdf

Preview of HT9020B PDF
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Datasheet Details

Part number:

HT9020B

Manufacturer:

Holtek Semiconductor

File Size:

145.26 KB

Description:

Call progress tone detector.

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