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4
10
9
8
7
6
5
4
3
2
1
0
R
VC
= 3.3k
20
200
2k
20k
R
VC
= 100k
R
VC
= 33k
NO CAP.
C = 0.1
µ
R
VC
= 10k
-140
-120
-100
-80
-60
-40
-20
Fig. 8 Output vs MPO Resistance
R
MPO
= 0
Ω
R
MPO
= 3.3k
R
MPO
= 10k
No Load
50k
Ω Load
0
5
10
15
20
25
30
C = 0.47
µ
-10
-14
-18
-22
-26
-30
-34
-38
-42
-46
-50
1
10
100
1k
10k
100k
-90
-86
-82
-78
-74
-70
-66
-62
-58
-100
-90
-80
-70
-60
-50
-40
-30
-20
-15
-25
-35
-45
-55
-65
-75
-85
-95
-10
Fig. 4 I/O for Various R
MPO
Settings
INPUT (dBV)
-10
-15
-20
-25
-30
-35
-40
-45
-50
Fig. 6
Distortion vs Input Level (R
VC
= 100 k
Ω)
INPUT (dBV)
R
MPO
(
Ω)
R
MPO
(k
Ω)
Fig. 7 Quiescent Current vs MPO Resistance
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
FREQUENCY (Hz)
Fig. 5 Frequency Response for Various C//C2 Values
INPUT (dBV)
Fig. 3 I/O for Various R
VC
Settings
2
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20