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HT9020B - Call Progress Tone Detector

Holtek Semiconductor

The HT9020B by Holtek Semiconductor is a Call Progress Tone Detector. Below is the official datasheet preview.

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HT9020B Call Progress Tone Detector by Holtek Semiconductor - Datasheet Preview — Official preview page of the HT9020B Call Progress Tone Detector datasheet (Holtek Semiconductor).

Datasheet Details

Part number	HT9020B
Manufacturer	Holtek Semiconductor
File Size	145.26 KB
Description	Call Progress Tone Detector
Datasheet	HT9020B_HoltekSemiconductor.pdf
Additional preview pages of the HT9020B datasheet.

HT9020B Product details

Description

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

Features

Operating voltage: 2.5V~5.5V.
Low power consumption.
Low cost 32768Hz crystal.
CPT Band: 305~640Hz detection.
Good performance: -8 ~ -39 dBm at VDD=2.5V 0 ~ -27 dBm at VDD=5V.
8-pin DIP package General.

📁 HT9020B Similar Datasheet

HT9011 - FM IF Detector (Holtek Semiconductor Inc)
HT9015 - RF Single Chip for Cordless Phone (Holtek Semiconductor Inc)
HT9030 - Calling Line Identification Receiver (Holtek Microelectronics)
HT9032 - Calling Line Identification Receiver (Holtek Semiconductor Inc)
HT9032C - (HT9032C / HT9032D) Calling Line Identification Receiver (Holtek)
HT9032D - (HT9032C / HT9032D) Calling Line Identification Receiver (Holtek)
HT9170 - DTMF Receiver (Holtek Semiconductor Inc)
HT9170B - DTMF Receiver (Holtek Semiconductor Inc)

Other Datasheets by Holtek Semiconductor

HT9020 - Call Progress Tone Decoder & ABR Controller
HT9142 - FM IF Detector
HT9172 - DTMF Receiver
HT9201A - (HT9201A/B) Simple Tone Dialer
HT9201B - (HT9201A/B) Simple Tone Dialer
HT9205A - 5-Memory/6-Memory Tone/Pulse Dialer

Published: Feb 21, 2007 |