Suspended stripline varactor-tuned Gunn oscillator

Details Suspended stripline varactor-tuned Gunn oscillator Suspended stripline varactor-tuned Gunn oscillator

1983-10-11

1985-06-04

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

331101, 331177V, H03B 914

Patent

active

045217475

ABSTRACT:
Improved output power performance is obtained in a millimeter-wave integrated-circuit (MIC) voltage-controlled oscillator by forming an output circuit and a bias input circuit in a suspended stripline configuration, which is subject to relatively low losses compared with microstrip designs. A Gunn diode and a varactor diode are mounted in alignment and in close proximity to each other. The suspended microstrip configuration includes a suspended substrate with a Gunn diode output circuit and a bias input circuit on one side, and a varactor diode grounding pad on the other face of the substrate. A sliding short-circuit device aligned with the Gunn diode output circuit provides tuning of the oscillator over a relatively wide range, and avoids having to trim the Gunn diode circuit components for final adjustment of the frequency.

REFERENCES:
patent: 3680002 (1972-07-01), Quine
patent: 3969689 (1976-07-01), Corrons et al.
patent: 3984787 (1976-10-01), Rosen et al.

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