Oscillators – With distributed parameter resonator
Patent
1988-07-06
1989-10-03
Mis, David
Oscillators
With distributed parameter resonator
331 99, 331117D, 331177V, H03B 518
Patent
active
048719838
ABSTRACT:
An electronically tuned dielectric resonator stabilized oscillator has a dielectric resonator that is fine tuned by an electronic method of tuning which includes a varactor coupled to a microstrip. This varactor microstrip transmission line is positioned below the dielectric resonator but above the plane in which a transmission line for the carrier frequency resides. By not placing the fine tuning microstrip line on the same plane as the main oscillator line, spurious oscillation between the fine tuning transmission line and the primary carrier wave resonator frequency line are minimized. Additionally, the fine tuning microstrip line is positioned orthogonal to the pathways along which the main signal transmission lines are coupled.
REFERENCES:
patent: 4521746 (1985-06-01), Hwan et al.
patent: 4683447 (1987-07-01), Talwar et al.
patent: 4724403 (1988-02-01), Takayama
patent: 4728913 (1988-03-01), Ishikawa et al.
patent: 4733198 (1988-03-01), Blickstein et al.
"Novel Techniques for Electronic Tuning for Dielectric Resonators", Proc. 13th European Microwave Conference, by A. Faar, pp. 791-796, 1983.
Cline Gerald L.
Litton Systems Inc.
Mis David
Rish L. David
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