A 6.5 GHz-11.5 GHz source using a grid amplifier with a twist reflector

Creators: Kim, Moonil; Sovero, Emilio A.; Hacker, Jonathan B.; De Lisio, Michael P.; Rosenberg, James J.; Rutledge, David B.

Abstract

The authors have constructed and tested an oscillator using a grid amplifier with external feedback from a twist reflector. The twist reflector serves two functions; it changes the output polarization to match the input, and its position sets the feedback phase. This permits a wider tuning range than has been possible with previous grid oscillators. The source could be continuously tuned from 8.2 GHz to 11.0 GHz by moving the twist reflector. By moving the polarizer and mirror in the twist reflector independently, a 1.8-to-1 frequency range from 6.5 GHz to 11.5 GHz was achieved. The peak effective radiated power was 6.3 W at 9.9 GHz.

Additional Information

© Copyright 2006 IEEE. Reprinted with permission. Manuscript received December 1, 1992, revised May 5, 1993. This work was supported by the Army Research Office, the Northrop Corporation, the Naval Weapons Center in China Lake, CA, and a fellowship from the Rockwell International Trust.

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