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參數(shù)資料
| 型號： | MSM7586-01 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 元件分類： | Codec |
| 英文描述： | pie/4 Shift QPSK MODEM/ADPCM CODEC |
| 中文描述： | 餡餅/ 4移調(diào)制調(diào)制解調(diào)器/差分PcM編解碼器 |
| 文件頁數(shù)： | 1/42頁 |
| 文件大小： | 284K |
| 代理商： | MSM7586-01 |
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Semiconductor
MSM7586-01/03
This version: Aug. 1998
Previous version: Nov. 1996
1/42
p
/4 Shift QPSK MODEM/ADPCM CODEC
GENERAL DESCRIPTION
The MSM7586 is a CMOS IC developed for use with digital cordless telephones. The device
provides a
p
/4 shift QPSK modem function and a CODEC function which performs transcoding
between the voice band analog signal and 32 kbps ADPCM data.
The MSM7586 performs DTMF tone and several types of tone generation, transmit/receive data,
mute and gain control, side-tone pass and its gain control, and VOX function.
FEATURES
(
p
/4 Shift QPSK Modem Unit)
384 kbps transmission speed
Built-in root Nyquist digital filter for the baseband band limiter
Built-in D/A converters for the analog outputs of the quadrature signal component I and Q
The DC offset and gain can be adjusted with respect to the differential I and Q analog outputs
Completely digitized
p
/4 shift QPSK demodulator system
(ADPCM CODEC Unit)
ADPCM system: built-in ITU-T Recommendations G.726 (32kbps, 24 kbps, 16 kbps)
Transmit/receive full-duplex capability
PCM interface code format: selectable between
m
-law and A-law
Serial ADPCM and PCM transmission rate: 64 kbps to 2,048 kbps
Transmit/receive mute function; transmit/receive programmable gain setting
Side tone generator (8-step level adjustment)
Built-in DTMF tone, ringing tone, and various ringing tone generators
Built-in VOX function
(Common Unit)
Operate with a single 3 V power supply (V
DD
: 2.7 V to 3.6 V)
Low power consumption
When entire system is operating: 20 mA Typ.
When powered down:
Package:
100-pin plastic TQFP (TQFP100-P-1414-0.50-K)
0.02 mA Typ.
(Product name: MSM7586-01TS-K)
(Product name: MSM7586-03TS-K)
E2U0034-28-82
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7586-03 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM/ADPCM CODEC |
| MSM7586-XX | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:pie/4 Shift QPSK MODEM/ADPCM CODEC |
| MSM7590 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:5V Sinlge-Rail ADPCM CODECs |
| MSM7590L-01 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Multi-Function ADPCM CODEC |
| MSM7590L-01TS-K | 制造商:ROHM Semiconductor 功能描述: |
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