Stanford Research Systems SR124 Operation And Service Manual page 49

3.3 Input filter details
SR124 Analog Lock-In Amplifier
10
0
-10
-20
-30
-40
-50
-60
-2 -1
10 10
Figure 3.1: The SR124 band pass input filter gain
10
0
-10
-20
-30
-40
-50
-60
-2 -1
10 10
Figure 3.2: The SR124 high pass input filter gain
Band Pass
0
10
Normalized frequency (f/f )
0
High Pass
0
10
Normalized frequency (f/f )
0
3 – 7
Q = 1
2
5
10
20
50
100
1 2
10 10
Q = 1
2
5
10
20
50
100
1 2
10 10