Evaluation of 100 ampere, 100 kHz transconductance amplifiers

This paper presents experimental evaluation of the performance of more than ten production units of a 100 A, 100 kHz transconductance amplifier. In addition to the stability, uncertainty, distortion and frequency response, these results indicate that the output impedance may be closely modeled by a...

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Bibliographic Details
Main Authors: Hess, D.T., Clarke, K.K.
Format: Conference Proceeding
Language:English
Subjects:
Capacitors
Current measurement
Distortion measurement
Error correction
Frequency response
Impedance
Stability
Transconductance
Uncertainty
Voltage
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Summary:This paper presents experimental evaluation of the performance of more than ten production units of a 100 A, 100 kHz transconductance amplifier. In addition to the stability, uncertainty, distortion and frequency response, these results indicate that the output impedance may be closely modeled by a parallel combination of a resistor and a capacitor. This model then proves to be very useful for correcting the errors introduced into the high-frequency high current measurements by the parasitic load inductance.
DOI:10.1109/CPEM.1998.700105