Microwave oscillator integrated in a waveguide

Details Microwave oscillator integrated in a waveguide Microwave oscillator integrated in a waveguide

1988-03-17

1989-07-11

Grimm, Siegried H.

Oscillators

With distributed parameter resonator

331107DP, 331177V, H03B 714

Patent

active

048475718

ABSTRACT:
A negative-resistance diode oscillator tuned by a varactor as applicable to frequency-modulated transmitters or to receiver oscillators operating within the 56-100 GHz frequency band is integrated in a waveguide. The diode is encapsulated in a capped package and mounted on a ground-connected base. A coupling capacitor is fixed on the metallic cap of the package. A varactor having beam-lead connections is mounted as a bridge between the capacitor and a ground-connected metallic stud. The bias voltages are brought in the plane of the waveguide by means of two wires and two capacitors housed within orifices formed through the waveguide walls.

REFERENCES:
patent: 4588967 (1986-05-01), Horn et al.
patent: 4728907 (1988-03-01), Cohen
Wescon Technical Papers, vol. 20, No. 20, 1976, pp. 1-8, North Hollywood, US; K. P. Weller: "Solid State Millimeter Wave Sources" p. 6, lines 1-38, FIG. 10.
IEEE Transactions on Microwave Theory and Techniques, vol. 24, No. 10, Oct. 1976, pp. 650-656, New York US; K. M. Johnson: "Posttuning Drift of a Transferred-Electron-Device Voltage-Controlled Oscillator".

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