negative impedance

negative impedance

[′neg·əd·iv im′pēd·əns]
(electronics)
An impedance such that when the current through it increases, the voltage drop across the impedance decreases.
References in periodicals archive ?
Negative impedance converter with reduced nonideal gain and parasitic impedance effects.
At the heart of Yamaha's patented Advanced YST Technology is a high- performance Adjustable Negative Impedance Converter (A.
It uses a negative impedance drive with powerful driving and damping capabilities to drive the speakers in such a way that the air itself acts as a diaphragm, or "air woofer," allowing even small cabinets to reproduce the same bass range as large speakers.