Tunable microwave oscillator using magnetostatic waves

Oscillators – Solid state active element oscillator – Significant distributed parameter resonator

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333151, 333153, 310313R, H03H 900

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active

043180612

ABSTRACT:
Microwave oscillator using magnetostatic surface or bulk waves which can be transmitted in a thin layer of magnetic material having two cavity resonators with coupled gratings of different equivalent lengths in such a way that the first is multimode and the second monomode in the reflection pass band of the gratings, the cavities being arranged in such a way that the second filters the modes transmitted in the first. Microwave signals are applied to one of the two cavities and the resonated waves are collected in the second cavity.

REFERENCES:
patent: 4078186 (1978-03-01), Folen et al.
patent: 4097825 (1978-06-01), Gerard
patent: 4209759 (1980-06-01), Volluet
Parker et al., "A Saw Oscillator Using Two Acoustic Paths", 1976 Ultrasonics Symposium Proceedings, pp. 243-247; 10-1976.

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