Voltage-controlled resonator, method of fabricating the same, me

Details Voltage-controlled resonator, method of fabricating the same, me Voltage-controlled resonator, method of fabricating the same, me

1997-07-18

2000-12-26

Bettendorf, Justin P.

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333235, 333247, H01P 1203

Patent

active

061666130

ABSTRACT:
A voltage-controlled resonator is fabricated by laminating, one on top of the other, a first dielectric which has a resonant circuit and on the upper surface of which a variable-capacitance element is mounted, and a second dielectric which has a through-hole formed in a position thereof corresponding to the position of the variable-capacitance element and which has a dual function of shielding and resonant frequency tuning. With this structure, the height of the resonator can be further reduced compared with the prior art while retaining the shielding effect, and moreover, further precise resonant frequency tuning can be accomplished as compared with the prior art.

REFERENCES:
patent: 4835499 (1989-05-01), Pickett
patent: 5014024 (1991-05-01), Shimizu et al.
patent: 5321374 (1994-06-01), Uwano
patent: 5475350 (1995-12-01), Yamada et al.
patent: 5654681 (1997-08-01), Ishizaki et al.

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