Resonator

Details Resonator Resonator

2005-08-02

2005-08-02

Callahan, Timothy P. (Department: 2816)

Oscillators

With distributed parameter resonator

C331S1070DP, C331S1070SL

Reexamination Certificate

active

06924707

ABSTRACT:
A resonator minimizes degradation of the Q factor, accurately adjusts the frequency, and reduces the size and profile thereof. A voltage controlled oscillator including such a resonator includes a multilayer substrate. The multilayer substrate includes a first grounding conductor layer, a first dielectric layer, a strip line layer, a second dielectric layer, a second grounding conductor layer, and a third dielectric layer. A strip line is disposed on the strip line layer, and a microstrip line is disposed on the third dielectric layer. The strip line is connected to the microstrip line via a through hole to define the resonator. A portion of the second grounding conductor layer that faces the microstrip line is removed.

REFERENCES:
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Donald G. Fink, Donald Christiansen; Electronics Engineer's Handbook; McGraw-Hill; 2ndEdition; p. 7-76.
Howard W. Sams; Radio Shack Dictionary of Electronics; International Standard Book; 5thEdition; p. 452, 709.
J. Vandesande et al.; “Calculation of the Bandwidth of Microstrip Resonator Antennas”; European Microwave Conference Proceedings; 17-20 Sep. 1979; pp. 116-119;XP002240566; Brighton (GB).

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