Oscillators – With distributed parameter resonator – Parallel wire type
Patent
1980-06-03
1982-05-25
Grimm, Siegfried H.
Oscillators
With distributed parameter resonator
Parallel wire type
331107SL, 331117D, H03B 518, H03B 714, H03B 914
Patent
active
043319408
ABSTRACT:
A solid-state MIC oscillator in the form of a planar transmission circuit has a band rejection filter as a load circuit of an oscillation device. The band rejection filter is a resonator coupled to a transmission line which connects the oscillation device with an oscillator load. The load impedance of the oscillation device is adjusted to the oscillating condition by the position of the resonator. A simple capacitive susceptance stub is connected to the transmission line near the coupling point of the resonator. Variation of the oscillator frequency characteristics versus temperature caused by variation of the oscillator load is improved in an excellent manner due to the provision of the simple capacitive susceptance stub.
REFERENCES:
patent: 4149127 (1979-04-01), Murakami et al.
patent: 4187476 (1980-02-01), Shinkawa et al.
Electronics, vol. 51, Jun. 22, 1978, pp. 68, 70, "Compact Dielectric Ceramic Resonator Simplifies Microwave Frequency Control".
Abe et al., "Stabilized, Low-Noise GaAs FET Integrated Oscillator", Digest of Technical Papers, ISSCC77, Feb. 17, 1977, pp. 168-169.
Grimm Siegfried H.
Matsushita Electric - Industrial Co., Ltd.
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