open-circuit impedance

open-circuit impedance

[′ō·pən ¦sər·kət im′pēd·əns]
(electricity)
Of a line or four-terminal network, the driving-point impedance when the far end is open.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
The open-circuit impedance parameter called Z-parameter is used to characterize the electromagnetic coupling relationship among the ports:
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In order to increase maximum efficiency up to 88.4 percent, it is necessary to provide a short-circuit termination for all even harmonic voltage and an open-circuit impedance for the third-harmonic current.
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To increase maximum drain efficiency up to 88.4 percent, it is necessary to provide a short-circuit termination for all even-harmonic voltages and an open-circuit impedance for third-harmonic currents.
EFFECTIVE CIRCUIT DESIGN TECHNIQUES TO INCREASE MOSFET POWER AMPLIFIER EFFICIENCY

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