參數(shù)資料
型號(hào)： MSM7532
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： Single Chip MSK Modem with Compandor for Cordless Telephone(帶壓縮擴(kuò)展器的單片F(xiàn)SK調(diào)制解調(diào)器)
中文描述： 單芯片MSK調(diào)制解調(diào)器與無繩電話（帶壓縮擴(kuò)展器的單片F(xiàn)SK信號(hào)調(diào)制解調(diào)器Compandor）
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 165K
代理商： MSM7532
Semiconductor
MSM7532
1/21
Single Chip MSK Modem with Compandor for Cordless Telephone
GENERAL DESCRIPTION
The MSM7532 is a baseband device with a modem function and a baseband voice signal processing
function for analog cordless telephone. The voice signal transmitter in this IC consists of a high-pass
filter, compressor, scrambler, pre-emphasis, limiter, and splatter filter.
The voice signal receiver consists of a bandpass filter, a de-scrambler , a de-emphasis, an expander,
an electronic volume, and a ceramic receiver driving circuit.
The MODEM in this IC transmits and receives MSK (Minimum Shift Keying) modem signals.
FEATURES
Built-in ceramic receiver drive amplifiers
The compander input reference level, limiter level, and modem transmit level are easy to be
externally adjusted.
Built-in 2-bit electronic volume
A microphone amplifier and an amplifier available for users are built in.
Mode settings using parallel interfaces
Built-in compander dynamic range: 70 dB
Built-in maximum gain limit circuit for expander
The bit rate of MSK modem is switchable between 2400 bps and 1200 bps.
Scrambler and emphasis can be used by serially connecting them or can be used separately with
each other.
Three kinds of the reverse frequency of the scrambler are selectable.
The modem receiver functions detect bit synchronous signals and frame synchronous signals.
Four-step power down modes
Built-in crystal oscillation circuit
Wide range of power supply (1.8 V to 5.5 V)
Package:
56-pin plastic QFP (QFP56-P-910-0.65-2K) (Product name : MSM7532GS-2K)
E2A0039-16-X2
This version: Jan. 1998
Previous version: Nov. 1996
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MSM7532GS-2K 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Chip MSK Modem with Compandor for Cordless Telephone
MSM7533H 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:2ch Single Rail CODEC
MSM7533V 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:2ch Single Rail CODEC
MSM7533VGS-K 制造商:ROHM Semiconductor 功能描述:
MSM7534 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:2ch Single Rail CODEC
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