impedance bridge

impedance bridge

[im′pēd·əns ‚brij]
(electricity)
A device similar to a Wheatstone bridge, used to compare impedances which may contain inductance, capacitance, and resistance.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Early measurements were done manually using an oscilloscope or an impedance bridge. Today, the measurements are computerized and the ac components may be measured with a frequency response analyzer, with a lock-in amplifier, by using Sub-Harmonic Sampling, or by using a Fourier transform technique.
Evaluation of organic coatings with Electrochemical Impedance Spectroscopy; Part 1: fundamentals of Electrochemical Impedance Spectroscopy

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