Agilent 4155B/4156B User’s Guide Vol.2, Edition 5 1-7
Measurement Units
Source/Monitor Unit (SMU)
Table 1-2 HRSMU Measurement Voltage Values and Resolutions
Table 1-3 HRSMU Output Current Ranges and Resolutions
Range
Measurement
Value
a
a. This column is applied to the auto ranging or the limited auto ranging. For fixed ranging, maximum mea-
surement value is Range column value.
Measurement Resolutions
b
b. Measurement resolution depends on the integration time setting. For Knob sweep measurement, see the
column of Integration Time 80 ms to 560 ms.
Integration Time
High Speed
Sampling
Measurement
c
c. This column is applied to the sampling measurement that initial interval is set to 480 ms or shorter.
1PLC or
Longer
640 ms to 1.92
ms
80 ms to 560 ms
2 V 0 £ ½V½ £ 2.2 V 2 mV20 mV200 mV2 mV
20 V 0 £ ½V½ £ 22 V 20 mV200 mV 2 mV 20 mV
40 V 0 £ ½V½ £ 44 V 40 mV400 mV 4 mV 40 mV
100 V 0 £ ½V½ £ 100 V 100 mV 1 mV 10 mV 100 mV
Range Output Value
Output
Resolution
Voltage
Compliance
Range
10 pA
0
£ ½I½ £ 10 pA
10 fA
±100 V
100 pA
0
£ ½I½ £ 100 pA
10 fA
±100 V
1 nA
0
£ ½I½ £ 1 nA
100 fA
±100 V
10 nA
0
£ ½I½ £ 10 nA
1 pA
±100 V
100 nA
0
£ ½I½ £ 100 nA
10 pA
±100 V
1 mA
0
£ ½I½ £ 1 mA
100 pA
±100 V
10 mA
0
£ ½I½ £ 10 mA
1 nA
±100 V
100 mA
0
£ ½I½ £ 100 mA
10 nA
±100 V
1 mA
0
£ ½I½ £ 1 mA
100 nA
±100 V
10 mA 0 £ ½I½ £ 10 mA 1 mA
±100 V
100 mA 0 £ ½I½ £ 20 mA 10 mA
±100 V
20 mA < ½I½ £ 50 mA 10 mA
±40 V
50 mA < ½I½ £ 100 mA 10 mA
±20 V