Fixed frequency regulation circuit employing a voltage variable

Details Fixed frequency regulation circuit employing a voltage variable Fixed frequency regulation circuit employing a voltage variable

1999-04-28

2000-08-08

Riley, Shawn

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 40, H02M 100, H02M 112, H02M 114

Patent

active

061011029

ABSTRACT:
Frequency regulating apparatus comprising a high power, voltage variable dielectric varactor or capacitor (or ferroelectric voltage variable dielectric capacitor) for use as a control element in the regulation circuit that actively tunes a resonant network to modulate power delivered to a load. The voltage variable dielectric capacitor comprises a substrate having a bottom electrode 33 formed thereon. A dielectric material is disposed on the substrate is a crystallized ceramic material that preferably comprises a barium, strontium, and titanium mixture. A top electrode is disposed on top of the crystallized ceramic material. Methods of fabricating the voltage variable dielectric varactor (capacitor) are also disclosed.

REFERENCES:
patent: 4605999 (1986-08-01), Bowman et al.
patent: 4685041 (1987-08-01), Bowman et al.
patent: 5504668 (1996-04-01), Beyerlein et al.
patent: 5708573 (1998-01-01), Lusher et al.
patent: 5768111 (1998-06-01), Zaitsu

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