User`s guide

Agilent EasyEXPERT User’s Guide Vol. 1, Edition 1 4- 59

Function Details

SMU Compliance

Compliance is the output limiter to prevent damage to the test device from

overcurrent, overvoltage, or overpower. Voltage compliance is for the current output

channels, and current compliance is for the voltage output channels.

When a channel reaches compliance, the channel acts as a constant voltage source or

a constant current source. The channel keeps the output value when reaching

compliance.

Compliance can be set with the same resolution and accuracy as output current or

output voltage. For the values, see Agilent B1500A or B1505A User’s Guide.

Polarity and Output Area

• Polarity of current compliance

The B1500 automatically sets current compliance for both positive and negative

polarity. For opposite polarity as the output voltage, the compliance value is

increased by an amount that is 2.5 % to 12 % of the range value in the lowest

range that covers the specified compliance value. See

Figure 4-29.

• Polarity of voltage compliance

The B1500 automatically sets voltage compliance to the same polarity as the

output current. There is no compliance for opposite polarity.

Figure 4-29 Relation of Compliance and Output

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