Elastic surface wave oscillator

Details Elastic surface wave oscillator Elastic surface wave oscillator

1977-07-05

1978-12-12

Kominski, John

Oscillators

Solid state active element oscillator

Significant distributed parameter resonator

333 72, H03B 532

Patent

active

041298373

ABSTRACT:
The invention relates to elastic surface wave oscillators using a feedback loop formed by a filter consisting of two interdigitated comb transducers. More particularly, the invention relates to a stable oscillator having a low harmonic content wherein the electrical oscillation energy is extracted by means of an auxiliary interdigitated transducer receiving a fraction of the vibratory energy exchanged in the feedback loop.

REFERENCES:
patent: 3845418 (1974-10-01), Weglein
patent: 3950713 (1976-04-01), Lewis
patent: 3999147 (1976-12-01), Otto et al.
patent: 4011526 (1977-03-01), Kinsman
patent: 4025880 (1977-05-01), Coussot

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