Millimeter Wave Grid Oscillators

David B. Rutledge; Zorana B. Popovic; Moonil Kim

doi:10.1117/12.978300

18 November 1989 Millimeter Wave Grid Oscillators

David B. Rutledge, Zorana B. Popovic, Moonil Kim

Proceedings Volume 1039, 13th Intl Conf on Infrared and Millimeter Waves; (1989) https://doi.org/10.1117/12.978300
Event: 13th International Conference on Infrared and Millimeter Waves, 1987, Honolulu, HI, United States

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.

Citation Download Citation

David B. Rutledge, Zorana B. Popovic, and Moonil Kim "Millimeter Wave Grid Oscillators", Proc. SPIE 1039, 13th Intl Conf on Infrared and Millimeter Waves, (18 November 1989); https://doi.org/10.1117/12.978300

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