Tunable capacitor

Details Tunable capacitor Tunable capacitor

2005-02-08

2005-02-08

Dinkins, Anthony (Department: 2831)

Electricity: electrical systems and devices

Electrostatic capacitors

Variable

C361S278000, C361S287000, C361S298200

Reexamination Certificate

active

06853534

ABSTRACT:
A tunable capacitor. The tunable capacitor has a first fixed capacitor electrode and a second fixed capacitor electrode opposite to one another. The tunable capacitor also has a movable element formed of a conductive material. The movable element is moveable between the first fixed capacitor electrode and the second fixed capacitor electrode to adjust the capacitance between the first fixed capacitor electrode and the second fixed capacitor electrode.

REFERENCES:
patent: 5159524 (1992-10-01), Hasegawa et al.
patent: 5557495 (1996-09-01), Belcher et al.
Jun-Bo Yoon, et al.; “A High-Q Tunable Micromechanical Capacitor with Movable Dielectric for RF Applications”; Technical Digest, IEEE Int. Electron Devices Meeting; pp. 489-492.
Nathan Bushyager, et al.; “A Novel Adaptive Approach to Modeling Mems Tunable Capacitors Using MRTD and FDTD Techniques”.
Darrin Young, et al.; “A Monolithic Micromachined RF Low-Noise VCO”; http://buffy.eecs.berkeley.edu/iro/summary/97abstacts/dyoung.1.html; pp. 1-3.
Aleksander Dec, et al.; “Micromachined Electro-Mechanically Tunable Capacitors and Their Applications to RF IC'S”; IEEE Transactions on Microwave Theory and Techniques, vol. 46, No. 12, Dec. 1998; pp. 2587-2596.

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