Agilent 4155B/4156B User’s Guide Vol.2, Edition 5 3-61
Measurement Functions
Compliance
Power Compliance
In addition to V compliance or I compliance, you can set power compliance for the
VAR1, VAR2, and VAR1' channels of sweep measurement. However, if the pulse
output function is used for VAR1 or VAR1' channels, you cannot set power
compliance for the VAR1 or VAR1' channel that is set to pulse output.
The power compliance setting range for each SMU is as follows:
HRSMU 1 to 2 W
MPSMU 1 to 2 W
HPSMU 1 to 20 W
If you specify I compliance and power compliance for a V sweep source, the
4155B/4156B changes the I compliance at every voltage step. The I compliance is
set to the smaller value of I compliance and Icomp value below. See Figure 3-10 (a).
Icomp = power compliance / step voltage
If you specify V compliance and power compliance for an I sweep source, the
4155B/4156B changes the V compliance at every current step. The V compliance is
set to the smaller value of V compliance and Vcomp value below. See Figure 3-10
(b).
Vcomp = power compliance / step current
HPSMU 1 pA £ | I | £ 1 nA 100 fA
1 nA < | I | £ 10 nA 1 pA
10 nA < | I | £ 100 nA 10 pA
100 nA < | I | £ 1 mA 100 pA
1 mA < | I | £ 10 mA1 nA
10 mA < | I | £ 100 mA 10 nA
100 mA < | I | £ 1 mA 100 nA
1 mA < | I | £ 10 mA 1 mA
10 mA < | I | £ 100 mA 10 mA
100 mA < | I | £ 1 A 100 mA
Unit I Compliance Resolution
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