Rainbow Electronics BA3131FS - Manual (Page 3)

BA3131FS
Standard ICs
! ! ! !Measurement circuit
RK
RK
50k Ω
500k Ω
RK
500k Ω
0.1 µ F
C2
0.1 µ F
1000pF
C1
C3
15V
EK
VF
– 15V
–
+
+
–
DUT
NULL
V CC V O
S1
Ri
Ri
10k Ω
Rs
50 Ω
10k Ω
Rs
50 Ω
Vref
Vref VR Vref
RL2
10k Ω
RL1
2k Ω
S3
S2
S4
Rf
50k Ω
∗
C2 and C3 are used to prevent oscillation (adjustment required)
Fig.1