ACTIVE NEGATIVE INDUCTOR BASED ON MAGNETIC FLUX | Zendy

Daniel D. Stancil | Zendy

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ACTIVE NEGATIVE INDUCTOR BASED ON MAGNETIC FLUX

Author(s) -

Daniel D. Stancil

Publication year - 2012

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

ISSN - 1937-8718

DOI - 10.2528/pierc12071708

Subject(s) - inductor , flux (metallurgy) , magnetic flux , physics , materials science , electrical engineering , engineering , magnetic field , voltage , metallurgy , quantum mechanics

An active circuit is described that exhibits the equivalent reactance of a negative inductor. In contrast with previous techniques based on negative impedance converters, the negative inductance is produced by generating an opposing time-varying magnetic ∞ux. The new circuit also enables the inductance to be electronically varied between negative and positive values, can enhance the Q, and defaults to a conventional positive inductor in the event of active component failure. The performance of a prototype with an inductance of i0:344mH and operating over the frequency range 1{40kHz is described.

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