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參數(shù)資料
| 型號： | MSM7582B |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | pie/4 Shift QPSK MODEM |
| 中文描述： | 餡餅/ 4移調(diào)制調(diào)制解調(diào)器 |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 181K |
| 代理商： | MSM7582B |
Semiconductor
MSM7582/7582B
This version: Jan. 1998
Previous version: Nov. 1996
1/24
p
/4 Shift QPSK MODEM
GENERAL DESCRIPTION
The MSM7582/7582B are CMOS ICs for the
p
/4 shift QPSK modem developed for the digital
cordless telephone systems.
The devices are designed for Personal and Cell station applications, the MSM7582B is the
improved MSM7582 in modulator burst rise-up and fall-down characteristics.
FEATURES
Single Power Supply (V
DD
: 2.7 V to 3.6 V)
(Modulator Block)
Built-in Root Nyquist Filter for Baseband Limiting (50% Roll-off)
Ramp Bit for Burst Signal Rise-up:
MSM7582/1.75 symbols
MSM7582B/2.0 symbols
Ramp Bit for Burst Signal Fall-down:
MSM7582/2.75 symbols
MSM7582B/2.0 symbols
Built-in D/A converters for Analog Output of Quadrature Signal I/Q Components and Power
Envelope Output
I
2
+ Q
2
Differential I/Q Analog output format
I/Q Output DC Offset / Gain Adjustable
(Demodulator Block)
Full Digital System,
p
/4 shift QPSK Demodulation
Input IF signal Frequency Selectable: 1.2/10.7/10.75/10.8 MHz
Built-in Clock Recovery: 4 Circuits useful for Cell station
(Common)
Various Power-down Modes: Tramsmit/Receive Independant
Built-in Precise Analog Voltage Reference
MCU Serial Interface for Mode setting and Built-in Test circuit
Test Modes:
Eye pattern / AFC Compensating Signal / Phase Detection Signal, possible to
monitor
Transmission Speed: 384 kbps
Low Power consumption
Operating mode : 15 mA Typ. / Modulator (V
DD
= 3.0 V)
: 9 mA Typ. / Demodulator (V
DD
= 3.0 V)
Whole system Power-down mode: 0.01 mA Typ. (V
DD
= 3.0 V)
Package:
32-pin plastic TSOP (TSOPI32-P-814-0.50-1K)(Product name : MSM7582TS-K)
(Product name : MSM7582BTS-K)
E2U0035-16-X2
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM7583GS-BK | pie/4 Shift QPSK MODEM |
| MSM7583 | pie/4 Shift QPSK MODEM |
| MSM7584C | π/4 Shift QPSK MODEM(π/4移動QPSK調(diào)制解調(diào)器/ADPCM編碼譯碼器) |
| MSM7590L-01 | Multi-Function ADPCM CODEC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7583 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM |
| MSM7583GS-BK | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM |
| MSM7584C | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pi /4 Shift QPSK MODEM/ADPCM CODEC |
| MSM7584CTS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pi /4 Shift QPSK MODEM/ADPCM CODEC |
| MSM7584D | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pi/4 Shift QPSK MODEM/ADPCM CODEC |
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