ml7074-003 Oki Semiconductor, ml7074-003 Datasheet - Page 23

• 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

Echo delay time vs. echo attenuation (Dual echo canceler mode/acoustic side)
(Measuring Condition)
Echo delay time vs. echo attenuation (Dual echo canceler mode/line side)
(Measuring Condition)
OKI Semiconductor
45
40
35
30
25
20
15
10
45
40
35
30
25
20
15
10
5
0
5
0
5
5
10
10
Rin signal
Rin signal
Rin input level
E.R.L
ATT, GC
Noise floor
Rin input level
E.R.L
ATT, GC
Noise floor
15
15
Dual echo canceler mode (line side)
Echo delay time vs. echo attenuation
Dual echo canceler mode (acoustic side)
20
20
Echo delay time vs. echo attenuation
Echo delay time [ms]
25
Echo delay time [ms]
25
: –16 dBm
: –6 dB
: –60 dBm (P-message filter unused)
: –16 dBm
: –6 dB
: –60 dBm (P-message filter unused)
30
30
: 5 kHz band white noise
: OFF
: 5 kHz band white noise
: OFF
35
35
40
40
45
45
50
50
55
55
FEDL7731-02-11
60
60
MSM7731-02
23/54