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Proceedings Paper

Millimeter Wave Grid Oscillators
Author(s): David B. Rutledge; Zorana B. Popovic; Moonil Kim
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Paper Abstract

Loading a two-dimensional grid with active devices offers a means of combining the power of solid-state oscillators in the microwave and millimeter-wave range. The grid structure allows a large number of negative resistance devices to be combined. In this approach, the combining is done in free space, and the active devices do not require an external locking signal. The loaded grid is a planar structure amenable to monolithic integration. Measurements on a 25-MESFET grid at 9.7 GHz show power-combining and frequency-locking without an external locking signal, with an ERP of 37W. Experimental far-field patterns agree with theoretical results obtained using reciprocity.

Paper Details

Date Published: 18 November 1989
PDF: 2 pages
Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); doi: 10.1117/12.978300
Show Author Affiliations
David B. Rutledge, California Institute of Technoloy (United States)
Zorana B. Popovic, California Institute of Technology (United States)
Moonil Kim, California Institute of Technology (United States)


Published in SPIE Proceedings Vol. 1039:
13th Intl Conf on Infrared and Millimeter Waves
Richard J. Temkin, Editor(s)

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