參數(shù)資料
型號(hào): U4084B
英文描述: Low-Voltage, Voice-Switched Circuit for Hands-Free Operation
中文描述: 低電壓,語音開關(guān)電路免提操作
文件頁數(shù): 15/26頁
文件大?。?/td> 544K
代理商: U4084B
U4084B
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A1, 31-Jan-97
15 (26)
10000
100
1000
– 10
10
– 40
0
– 30
f (Hz)
– 20
v
i
= 10 mV
v
i
= 40 mV
O
V
20
93 7770 e
Figure 11. Level-detector AC transfer characteristics
versus frequency
– 30
0
– 10
– 20
– 40
0.3
0.9
0.7
0.1
0.5
VCI/V
B
Receive mode
Minimum recommended level
1.2
G
10
93 7771 e
Figure 12. Receive attenuator versus volume control
V
S
(V)
0
– 30
– 20
3.2
– 10
2.8
3.4
3
– 40
3.6
G
10
93 7772 e
Figure 13. Receive attenuation gain versus V
S
0
1
10
100
0
20
40
60
80
120
G
V
f (kHz)
1000
Gain
100
120
100
80
60
40
20
0
P
94 7871 e
Figure 14. Microphone amplifier open loop gain and phase
versus frequency
相關(guān)PDF資料
PDF描述
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