User`s guide
4-32 Agilent 4155C/4156C User’s Guide Vol.2, Edition 6
Quasi-static C-V Measurements
Considering Measurement Accuracy
Table 4-3 Conditions for Calculating Measurement Accuracy
Calculation example data shown in Figures 4-5 through 4-26 is applied to the 
measurement data when the QSCV integration time is set to the same value as the 
LEAK integration time.
Conditions Measurement Unit
Measurement 
Range
Output 
Range
Equivalent 
Parallel 
Resistance 
of DUT
Guard 
Capacitance of 
Measurement 
Path
HRSMU
MPSMU/ 
HPSMU
10 pA /
100 pA
2 V 10 T ohm 200 pF Figure 4-5
20 V 10 T ohm 200 pF Figure 4-6
20 V 10 T ohm 1 nF Figure 4-7
20 V 100 G ohm 200 pF Figure 4-8
1 nA 2 V 10 T ohm 200 pF Figure 4-9 Figure 4-17
20 V 10 T ohm 200 pF Figure 4-10 Figure 4-18
20 V 10 T ohm 1 nF Figure 4-19
20 V 10 G ohm 200 pF Figure 4-11 Figure 4-20
40 V 1 G ohm 200 pF Figure 4-12 Figure 4-21
100 V 1 G ohm 200 pF Figure 4-13 Figure 4-22
200 V 1 G ohm 200 pF Figure 4-23
10 nA 2 V 10 T ohm 200 pF Figure 4-14 Figure 4-24
20 V 10 T ohm 200 pF Figure 4-25
20 V 10 G ohm 200 pF Figure 4-15
20 V 1 G ohm 200 pF Figure 4-16 Figure 4-26










