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| 型號： | MSM7603 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Echo Canceler |
| 中文描述： | 回聲消除器 |
| 文件頁數(shù)： | 15/20頁 |
| 文件大?。?/td> | 149K |
| 代理商： | MSM7603 |
Semiconductor
MSM7603/7603B
15/20
ECHO CANCELER CHARACTERISTICS DIAGRAM
(for
m
-law and A-law, and for reference only)
0
10
20
30
40
40
30
20
10
0
E. R. L. vs. echo attenuation
E
E. R. L. [dB]
Measurement Conditions :
RIN input = –10 dBm0 5 kHz band white noise
Echo delay time T
D
= 50 ms
ATT, GC, NLP = OFF
Power supply voltage 5 V
0
10
20
30
40
–50 –40 –30 –20 –10
0
RIN input level vs. echo attenuation
E
RIN input level [dBm0]
Measurement Conditions :
RIN input: 5 kHz band white noise
Echo delay time T
D
= 50 ms
E.R.L. = 6 dB
ATT, GC, NLP = OFF
Power supply voltage 5 V
0
10
20
30
0
Echo delay time vs. echo attenuation
E
Echo delay time [ms]
50
Measurement Conditions :
RIN input = –10 dBm
5 kHz band white noise
E.R.L. = 6 dB
ATT, GC, NLP = OFF
Power supply voltage 5 V
10
20
30
40
–10
Note:
Above characteristics are for the MSM7533 (V
DD
5 V,
m
-law CODEC interface). For the
MSM7704 (V
DD
3 V,
m
-law interface) the characteristics are basically the same except
for input and output levels. Refer to the PCM CODEC data sheet.
MSM7533
(for both transmit and receive)
0 dBm0 = 0.85 Vrms = 0.8 dBm (600
W
)
MSM7704
(for transmit side)
0 dBm0 = 0.35 Vrms = –6.9 dBm (600
W
)
(for receive side)
0 dBm0 = 0.5 Vrms = –3.8 dBm (600
W
)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MSM7603B | Echo Canceler |
| MSM7630 | Universal Speech Processor(通用語音處理器) |
| MSM7661B | NTSC/PAL Digital Dencoder(NTSC/PAL制式數(shù)字譯碼器) |
| MSM7661 | NTSC/PAL Digital Dencoder(NTSC/PAL制式數(shù)字譯碼器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MSM7603B | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Echo Canceler |
| MSM7617 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:2-Channel Echo Canceler |
| MSM7620 | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Echo Canceler |
| MSM7620-001GS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Echo Canceler |
| MSM7620-011GS-BK | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Echo Canceler |
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