Programmable passive inductor

Details Programmable passive inductor Programmable passive inductor

2006-02-28

2006-02-28

Nguyen, Patricia (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S169000, C330S188000, C336S220000

Reexamination Certificate

active

07005920

ABSTRACT:
A programmable passive inductor includes two inductors or coils, each having a self-inductance, magnetically coupled together and having a mutual inductance proportional to a magnetic coupling factor. The relative magnitude of the currents through the two inductors can be dynamically varied, which changes the effective inductance.

REFERENCES:
patent: 5952893 (1999-09-01), Ghoshal
patent: 6417737 (2002-07-01), Moloudi et al.
patent: 6690243 (2004-02-01), Henrion
patent: 6803829 (2004-10-01), Duncan et al.
patent: 2004/0257152 (2004-12-01), Kwok

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