U4082B-DEV-BOARD Atmel, U4082B-DEV-BOARD Datasheet - Page 12

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

12
U4082B
Figure 3-6.
Figure 3-7.
High-pass Filter
Low-pass Filter
-3.0
V
V
-30
4700 pF
-3.0
-30
B
I
0
0
C
R
220 k
13 k
1
1
50
R
1
for R
C
f
N
4700 pF
1
56 k
220 k
2
1
1
C
0.001 µF
= R
2
13 k
0.01 µF
R
C
2
305Hz
f
2
N
1
V
R
C
FI
1
B
2
2
2
R
f
for C
N
2
C
2
1
1
FI
2
2
= C
300 k
4.0
f
C
N
260 µA
2
2
R
1
+1
1
R
2
V
S
20 kHz
1
FO
1
FO
4743D–CORD–03/06