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參數資料
| 型號： | HT9033 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | CAS Tone Detector |
| 中文描述： | 中科院音調檢測器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 101K |
| 代理商： | HT9033 |
HT9033
CAS Tone Detector
Block Diagram
Pin Assignment
Rev. 1.00
1
May 22, 2006
Features
Operating voltage: 3.5V~5.5V
Differential input
Power down control
Bellcore CAS detection (Type II)
3.58MHz clock input
Low standby current
High sensitivity: 33dBm
Data valid output
16-pin DIP/SOP package
Applications
Feature phone system
Caller ID with Call Waiting
Computer telephony interface products
Analog Display Service Interface (ADSI)
General Description
The HT9033 is a CPE Alerting Signal (CAS) tone re-
ceiver integrated with digital filter/detector and analog
front end circuit. The HT9033 using analog filter tech-
niques to achieve very high precision detection for the
present of CAS tone.
It is ideal for receiving physical layer signal like
Bellcore s CPE Alerting Signal (Type II caller ID) and
similar evolving services like ETS/BT.
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