521 - 22 - 04
5
V
IN
= -50dBV
FREQUENCY (Hz)
Fig. 7 Frequency Response for Different R
VC
Values
20 100 1k 10k 20k
-100 -90 -80 -70 -60 -50 -40 -30 -20 -10
INPUT LEVEL (dBV)
Fig. 9 I/O Transfer Function for Different R
TH
Resistors
R
TH
=
∞
= 100k
= 47k
= 22k
= 0
V
IN
=-96dBV
20
100
1k 10k 20k
FREQUENCY (Hz)
Fig. 10 Frequency Characteristics for Different
R
TH
Values
-100 -90 -80 -70 -60 -50 -40 -30 -20 -10
INPUT LEVEL (dBV)
Fig. 6 I/O Transfer Function for Different Test
Frequencies. Shown for Min/Max R
TH
Resistors Values
1kHz
2kHz
5kHz
V
IN
=-40dBV
R
TH
= 0
R
VC
=100k
R
VC
=47k
R
VC
=15k
= 5kHz
1kHz
2kHz
5kHz
0
-10
-20
-30
-40
-50
-60
-70
-80
20 100 1k 10k 20k
FREQUENCY (Hz)
Fig. 5 Frequency Response for Different Input Levels
V
IN
=-96dBV
V
IN
=-88dBV
V
IN
=-80dBV
V
IN
=-60dBV
V
IN
=-20dBV
45
40
35
30
25
20
15
10
5
0
0
-10
-20
-30
-40
-50
-60
-70
-80
R
TH
=
∞
R
VC
=22k
45
40
35
30
25
20
15
10
5
0
20
100
1k
FREQUENCY (Hz)
10k 20k
Fig. 8 Corner Frequency vs C
HP
Capacitor Value
V
IN
=-20dBV
V
IN
=-96dBV
R
TH
= 0
22k
47k
100k
R
TH
=
∞
45
40
35
30
25
20
15
10
5
0
45
40
35
30
25
20
15
10
5
0
C
HP
=100nF
C
HP
=68nF
C
HP
=33nF
C
HP
=10nF
C
HP
=Not conn
O
G
G
G
O
G