DocumentCode
2672580
Title
Tunable Magnetostatic Surface Wave Oscillator At 4 GHz
Author
Carter, R.L. ; Owens, J.M. ; Brinlee, W.R. ; Sam, Y.W., Jr. ; Smith, C.V.
fYear
1981
fDate
15-19 June 1981
Firstpage
383
Lastpage
385
Abstract
An oscillator tunable from 1.8 GHz to 4.0 GHz has been fabricated using a Magnetostatic Surface Wave (MSSW) 2-port etched groove resonator as the frequency selective element, and a bipolar transistor amplifier for gain in the feedback loop. The theory for a resonator based oscillator is summarized, including the effect of loop gain, amplifier noise loop power, and resonator Q on oscillator noise. Noise and amplitude characteristics of the oscillator are reported over the tuning range. FM phase noise is comparable to YIG sphere oscillators and optimization should yield significant improvement.
Keywords
Bipolar transistors; Etching; Feedback loop; Magnetostatic waves; Noise level; Oscillators; Power amplifiers; Resonant frequency; Surface waves; Tuning;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 1981 IEEE MTT-S International
Conference_Location
Los Angeles, CA, USA
ISSN
0149-645X
Type
conf
DOI
10.1109/MWSYM.1981.1129934
Filename
1129934
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