SRS Labs SR555, Operation Manual

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2. Typical Characteristics
1.E+05
1.E+06
1.E+07
1.E+08
1.E+09
1.E+10
10 100 1000 10000 100000 1000000
Gain
(V/A)
Frequency (Hz)
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
10 100 1000 10000 100000
Input
impedance
(

)
Frequency (Hz)
SR556
SR555
Figure 1: Gain
Figure 2: Input impedance
Cs = 1.2nF
Cs = 12nF
SR556
SR555
Cs is the input shunt capacitance