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5
20
100
1k
10k
20k
FREQUENCY (Hz)
Fig. 5 Frequency Response for Different Input Levels
VIN = -50dBV
FREQUENCY (Hz)
Fig. 7 Frequency Response for Different RVC Values
20
100
1k
10k
20k
-100
-90
-80
-70
-60
-50
- 40
-30
-20
INPUT LEVEL (dBV)
Fig. 9 I/O Transfer Function for Different RTH Resistors
RTH =
∞
= 100k
Ω
= 47k
Ω
= 22k
Ω
= 0
VIN=-96dBV
20
100
1k
10k
20k
FREQUENCY (Hz)
Fig. 10 Frequency Characteristics for Different
RTH Values
0
-10
-20
-30
-40
-50
-60
-70
-80
-100
-90
-80
-70
-60
-50
- 40
-30
-20
INPUT LEVEL (dBV)
Fig. 6 I/O Transfer Function for Different Test
Frequencies. Shown for Min/Max RTH Resistors Values
50
40
30
20
10
0
5kHz
2kHz
1kHz
VIN = -50dBV
VIN = -70dBV
VIN= -90dBV
VIN = -96dBV
VIN = -30dBV
VIN = -20dBV
RTH =
∞
RTH = 0
RVC=100 k
Ω
RVC=47 k
Ω
RVC=22 kΩ
RVC=15 k
Ω
ƒ = 1kHz
CHP=68 nF
CHP=33nF
CHP=10nF
CHP=0.1
µF
VIN=-20dBV
RTH = 0
Ω
22k
Ω
47k
Ω
100k
Ω
RTH =
∞
VIN=-96dBV
No Capacitance
50
40
30
20
10
0
50
40
30
20
10
0
50
40
30
20
10
0
5kHz
2kHz
1kHz
0
-10
-20
-30
-40
-50
-60
-70
-80
20
100
1k
10k
20k
FREQUENCY (Hz)
Fig. 8 Corner Frequency vs CHP Capacitor Value