ml7074-003 Oki Semiconductor, ml7074-003 Datasheet - Page 24
![no-image](/images/no-image-200.jpg)
ml7074-003
Manufacturer Part Number
ml7074-003
Description
Dual Echo Canceler & Noise Canceler With Dual Codec For Hands-free Msm7731-02dual Echo Canceler & Noise Canceler With Dual Codec For Hands-free
Manufacturer
Oki Semiconductor
Datasheet
1.ML7074-003.pdf
(54 pages)
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Part Number:
ML7074-003
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OKI
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Echo delay time vs. echo attenuation (Single echo canceler mode)
(Measuring Condition)
Slope filter frequency characteristic (with CODEC filter frequency characteristic)
(Measuring Condition)
OKI Semiconductor
45
40
35
30
25
20
15
10
-60
-10
-40
5
0
-20
-30
-50
10
0
5
1
10
Rin signal
Rin input level
Rin input level
E.R.L
ATT, GC
Noise floor
Noise floor
501
15
Echo delay time vs. echo attenuation
Slope filter frequency characteristic
100
1
20
Single echo canceler mode
Echo delay time [ms]
25
: –16 dBm
: –6 dB
: –60 dBm (P-message filter unused)
: –16 dBm
: –60 dBm (P-message filter unused)
150
1
Frequency [ms]
30
: 5 kHz band white noise
: OFF
2001
35
2501
40
45
3001
50
3501
55
FEDL7731-02-11
60
MSM7731-02
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