Introduction and Specifications
Performance Specifications 1
1-19
Operated Stand Alone
The stand-alone specifications are stated for the accuracy of transconductance with a voltage input, or current gain with a
current input. These specifications do not include the errors of the instrument that provides the voltage or current signal to
the Product input. To get the absolute accuracy of the current output, combine the source and Product specifications with
the “root sum of squares” (RSS) method found in the 52120A Users Manual.
Up to ten 52120As (one master and nine slaves) can be chained together in stand-alone mode. Any additional slave units
are ignored by the control system.
Coverage factor k=2.58 (99 % confidence level)
Current Accuracy
Frequency
Accuracy
1-year accuracy, tcal
[1]
±5 °C ±(% of output + % of range)
% of Output
% of Range
LCOMP OFF
[2]
LCOMPON
[3]
2 Amp Range
DC 0.010 0.005 0.005
10 Hz to 65 Hz 0.015 0.070 0.300
65 Hz to 300 Hz 0.030 0.070 0.500
300 Hz to 1 kHz 0.100 0.070 3.500
1 kHz to 3 kHz 0.300 0.600 Not Specified
3 kHz to 6 kHz 1.000 1.600 Not Specified
6 kHz to 10 kHz 2.000 4.000 Not Specified
20 Amp Range
DC 0.010 0.005 0.005
10 Hz to 65 Hz 0.015 0.060 0.300
65 Hz to 300 Hz 0.030 0.060 1.200
300 Hz to 1 kHz 0.100 0.060 6.000
1 kHz to 3 kHz 0.300 0.200 Not Specified
3 kHz to 6 kHz 1.000 0.400 Not Specified
6 kHz to 10 kHz 3.000 0.600 Not Specified
120 Amp Range
DC 0.010 0.005 0.005
10 Hz to 65 Hz 0.015 0.020 0.500
65 Hz to 300 Hz 0.030 0.030 0.700
300 Hz to 1 kHz 0.100 0.100 3.500
1 kHz to 3 kHz 0.300 0.250 Not Specified
3 kHz to 6 kHz 1.000 0.450 Not Specified
6 kHz to 10 kHz 4.000 0.750 Not Specified
[1] tcal is the temperature at which calibration adjustment took place.
[2] Maximum inductance for stability LCOMP OFF is 100 μH.
[3] Maximum inductance for stability LCOMP ON is 1 mH.
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