A 6.5 GHz-11.5 GHz Source Using a Grid Amplifier with a Twist Reflector

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

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


We 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-l 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.

Original languageEnglish
Pages (from-to)1772-1774
Number of pages3
JournalIEEE Transactions on Microwave Theory and Techniques
Issue number10
Publication statusPublished - 1993 Oct

Bibliographical note

Funding Information:
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. M. Kim was with the Department of Electrical Engineering, Califomia Institute of Technology, Pasadena, CA 91125. He is now with the Central Research Laboratory, Gold Star, 16 Woomyen-Dong, Seocho-Gu, Seoul 137-40, Korea. E. A. Sovero is with the Science Center, Rockwell International Corporation, 1049 Camino Dos Rios, Thousand Oaks, CA 91385. J. J. Rosenberg is with the Engineering Department, Harvey Mudd College, Claremont, CA 91711. J. B. Hacker, M. P. De Lido, and D. B. Rutledge are with the Department of Electrical Engineering, California Institute of Technology, Pasadena, CA 91125. IEEE Log Number 9211933.

ASJC Scopus subject areas

  • Radiation
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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