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A 100-Element MESFET Grid Oscillator

Weikle, Robert M., II and Popvić, Zoya B. and Kim, Moonil and Potter, Kent A. and Rutledge, David B. (1990) A 100-Element MESFET Grid Oscillator. In: 1990 International symposium digest: antennas and propagation: merging technologies for the 90's. IEEE , Piscataway, NJ, pp. 1174-1177. ISBN 756608480 http://resolver.caltech.edu/CaltechAUTHORS:20120510-102125873

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Abstract

A planar grid oscillator which combines the outputs of 100 devices quasi-optically is presented. The planar configuration is attractive because it is compatible with present-day IC fabrication techniques. In addition, the grid's structure leads to a transmission-line model that can readily be applied to the design of larger grids in the future. This approach is particularly attractive for wafer-scale integration at millimeter wavelengths. The grid oscillates near 5 GHz and can be frequency tuned with mirror spacing from 4.8 GHz to 5.2 GHz. The far-field radiation patterns for the grid are shown. From the pattern, the directivity is calculated to be 16 dB. The ERP is measured to be 25 W. The DC input power is 3 W, and the power radiated from the grid is calculated to be 0.625 W. This gives a DC-to-RF efficiency of 20%.


Item Type:Book Section
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http://dx.doi.org/ 10.1109/APS.1990.115321DOIUNSPECIFIED
http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=115321PublisherUNSPECIFIED
Additional Information:©1989 IEEE. Date of Current Version: 06 August 2002. This research was supported by the Army Research Office and the Northrop Corporation.
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Army Research Office (ARO)UNSPECIFIED
Northrop CorporationUNSPECIFIED
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INSPEC Accession Number3956848
Record Number:CaltechAUTHORS:20120510-102125873
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120510-102125873
Official Citation:Weikle, R.M., II; Popovic, Z.B.; Kim, M.; Potter, K.A.; Rutledge, D.B.; , "A 100-element MESFET grid oscillator," Antennas and Propagation Society International Symposium, 1990. AP-S. Merging Technologies for the 90's. Digest. , vol., no., pp.1174-1177 vol.3, 7-11 May 1990 doi: 10.1109/APS.1990.115321 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=115321&isnumber=3384
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:31406
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:10 May 2012 18:10
Last Modified:26 Dec 2012 15:11

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