U4082B-DEV-BOARD Atmel, U4082B-DEV-BOARD Datasheet - Page 19

• Manufacturer Part Number: U4082B-DEV-BOARD
• Description: WiFi / 802.11 Modules & Development Tools Voice Switched Circuit
• Manufacturer: Atmel

Figure 7-7.
4743D–CORD–03/06
Microphone and 1
120
100
80
60
40
20
0
Figure 7-5.
Figure 7-6.
0.1
Gain
st
-hybrid Amplifier Open-loop Gain and Phase versus Frequency
Microphone amp.
phase
Receive Attenuator versus Volume Control
Receive Attenuation Gain versus V
1
-10
-20
-30
-40
-10
-20
-30
-40
10
10
0
f (kHz)
0
2.8
0.1
10
Hybrid amp. phase
0.3
3
Minimum recommended level
0.5
V
VCI/V
100
S
3.2
(V)
Receive mode
S
B
0.7
3.4
0.9
1000
3.6
1.2
120
100
80
60
40
20
0
U4082B
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