參數(shù)資料
型號: M-982-02
廠商: Clare, Inc.
英文描述: Precise Call Progress Tone Detector
中文描述: 精確的呼叫過程音檢測
文件頁數(shù): 1/7頁
文件大?。?/td> 200K
代理商: M-982-02
www.clare.com
DS-M982-02-R4
M-982-02
Precise Call Progress Tone Detector
1
Description
The M-982-02 is an integrated circuit precise tone
detector for special-purpose use in automatic following
of switched telephone calls. The circuit uses low-
power CMOS techniques to provide the complete fil-
tering and control required for this function. The basic
timing of the M-982-02 is designed to permit operation
with almost any progress tone system.The use of inte-
grated circuit techniques allows the M-982-02 to pack
the five filters for call progress following into a single
22-pin DIP or 20-pin SOIC. A 3.58 MHz crystal-con-
trolled time base guarantees accuracy and repeatabil-
ity.
The M-982-02 is an enhanced drop-in replacement for
the M-982-01. It has a wider operating voltage range
(down to 3V). It has lower power consumption under
normal operating conditions. In addition, a power-
down (PD) feature is provided to further reduce power
consumption when inactive. It includes a 425 Hz
detector to support common international call progress
requirement.
Features
Precise detection of call progress tones
Linear (analog) input
Digital (CMOS compatible), tri-state outputs
22-pin DIP and 20-pin SOIC
Single supply 3 to 5 volt (low power CMOS)
Inexpensive 3.58 MHz crystal time base
Wide dynamic range (30 dB)
Lower power consumption (power-down mode)
425 Hz detection
Applications
Automatic dialers
Dialing modems
Traffic
Measurement equipment
Test equipment
Service evaluation
Billing systems
Block Diagram
Ordering Information
Part #
M-982-02P
M-982-02S
M-982-02T
Description
22-pin plastic DIP
20-pin plastic SOIC
20-pin plastic SOIC,Tape and Reel
Pin Diagram
相關(guān)PDF資料
PDF描述
M-982-02P Precise Call Progress Tone Detector
M-982-02S Precise Call Progress Tone Detector
M-984-02 Special Information Tone Detector
M-984-02P Special Information Tone Detector
M-984-02S Special Information Tone Detector
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