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Verification and Performance Tests - 2
23
Model 6612C Report No _______________ Date __________________
Test Description Minimum
Specs.
Results* Maximum
Specs.
Measurement
Uncertainty
Constant Voltage Tests
Voltage Programming and Readback
Low Voltage (0V) Vout
Front Panel Display Readback
High Voltage (Full Scale) Vout
Front Panel Display Readback
− 10 mV
Vout − 3 mV
19.980 V
Vout − 9 mV
__________
__________
__________
__________
+ 10 mV
Vout + 3 mV
20.020 V
Vout + 9 mV
1.6 µV
1.6 µV
335 µV
335 µV
Load Effect
Vout − 2.0 mV
__________
Vout + 2.0mV
20 µV
Source Effect
Vout − 0.5 mV
__________
Vout + 0.5 mV
20 µV
PARD (Ripple and Noise)
Peak-to-Peak
RMS
Vout − 3 mV
Vout − 0.5 mV
__________
__________
Vout + 3 mV
Vout + 0.5 mV
872 µV
50 µV
Transient Response
Time in 100 µs
Vout − 20 mV
__________
Vout + 20 mV
3 mV
Constant Current Tests
Current Programming and Readback
Low current (0A) Iout
Readback Accuracy @ Iout
High Current (Full Scale) Iout
Readback Accuracy @ Iout
− 1.0 mA
Iout − 0.25 mA
1.998 A
Iout − 4.3 mA
__________
__________
__________
__________
+ 1.0 mA
Iout + 0.25 mA
2.002 A
Iout + 4.3 mA
15.2 µA
15.2 µA
252 µA
252 µA
Current Sink (@ -1.2A) Readback
Iout − 3.3 mA
__________
Iout + 3.3 mA
200 µA
20 mA Range Current Readback
Readback Accuracy @ 0 A
Readback Accuracy @ + 20 mA
Readback Accuracy @ − 20 mA
− 2.5 µA
Iout − 22.5 µA
Iout − 22.5 µA
__________
__________
__________
+ 2.5 µA
Iout + 22.5 µA
Iout + 22.5 µA
0.1 µA
1.7 µA
1.7 µA
PARD (Current Ripple and Noise)
RMS
− 1.0 mA
__________ + 1.0 mA
200 µA
Load Effect
− 0.5 mA
__________ + 0.5 mA
1.6 µA
Source Effect
− 0.5 mA
__________
+ 0.5 mA
1.6 µA