Stabilized oscillator for microwaves with frequency conversion a

Details Stabilized oscillator for microwaves with frequency conversion a Stabilized oscillator for microwaves with frequency conversion a

1980-06-12

1983-04-19

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

331 96, 331175, H03B 914

Patent

active

043807445

ABSTRACT:
An oscillator including, a parametric amplifier which has three branches at the terminals of a non-linear capacitor C(V). In the pump branch there is a negative resistance dipole (D) which is able to oscillate at frequency f.sub.p. One of the two other branches is matched to a resonant circuit (C.sub.s) exhibiting a high Q factor at frequency f.sub.s, and the other branch is matched to a load impedance, namely that of resonant circuit (C.sub.o) at frequency f.sub.o .multidot.(f.sub.o =f.sub.p -f.sub.s). A high level output signal f.sub.o is thus provided.

REFERENCES:
patent: 3510800 (1970-05-01), Kaneko et al.
patent: 3735286 (1973-05-01), Vane
patent: 3843937 (1974-10-01), Hayashi et al.
patent: 4270099 (1981-05-01), Gill et al.
Kostyler et al., "Tuning of Gunn Oscillators by an Electrically Controlled Capacitance", Telecommunications and Radio Engr. vol. 28, No. 3, Mar. 1973, pp. 133-134.
Hirai et al., "New Types of Frequency-Stabilized Oscillator", Toshiba Review, No. 115, May-Jun. 1978, pp. 37-41.
Hirachi et al., "High-power 50-GHz double-drift region with improved bias circuits for eliminating low-freq. instabilities", IEEE Trans. on Microwave Theory & Techniques, vol. MTT-24, No. 11, pp. 731-737, Nov. 1976.

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