impedance drop

impedance drop

[im′pēd·əns ‚dräp]
(electricity)
The total voltage drop across a component or conductor of an alternating-current circuit, equal to the phasor sum of the resistance drop and the reactance drop.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
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When it is within half a line width away, the impedance drops by 1 [OMEGA], and then drops faster as the ground trace gets closer.
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(The input impedance of the mixer is roughly proportional to [Beta] [R.sub.E], and since [Beta] decreases almost linearly with increasing frequency, the input impedance drops with frequency.
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Here, the impedance drops by about 1.5 [ohm] in going from 0.5 oz.
Controlling controlled impedance boards: achieving the desired impedence is no simple task
In the tightest coupled differential microstrip, with a spacing equal to the line width, the differential impedance drops only about 10% from the differential impedance when the traces are far apart with no coupling.
Rules of thumb I have known and loved: while no substitute for good design practices, in certain situations they can be useful
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