A to-watt x-band grid oscillator

J. B. Hacker, M. P. De Lisio, Moonil Kim, Cheh Ming Liu, Sri Jie Li, S. W. Wedge, D. B. Rutledge

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

A 100.transistor MESFET grid oseillator haa been labricated that generates an effective radiated power of 660W at 9.8 GH. and has a directivity of 18.0 dB. This corresponds to a total radiated power of 10.3W, or 103mW per device. This is the largest recorded output power for a grid oscillator. The grid drain-source bias voltage is 1.4V and the total drain current for the grid is 6.0 A, resulting in an overall dc-to-rf efficiency of 23%. The pattern of the 55B noise-ta-carrier ratio Was measured and found to be essentially independent of the radiation angle. The average 5SB noise level Was -81 dBc/H. at an offset of 150 kH. from the carrier. An average improvement in the SSB noise-eo-carrier ratio of 5 dB was measured for a 100-transistor grid compared to a l6.transutor grid.

Original languageEnglish
Title of host publicationActive Antennas and Quasi-Optical Arrays
PublisherJohn Wiley and Sons Inc.
Pages94-97
Number of pages4
ISBN (Electronic)9780470544068
ISBN (Print)0780334868, 9780780334861
DOIs
Publication statusPublished - 2009 Jan 1
Externally publishedYes

Fingerprint

Transistors
grids
oscillators
Drain current
Bias voltage
Radiation
transistors
directivity
field effect transistors
output
electric potential
radiation

Keywords

  • Computer architecture
  • Equivalent circuits
  • Injection-locked oscillators
  • Logic gates
  • Microprocessors
  • Mirrors

ASJC Scopus subject areas

  • Engineering(all)
  • Physics and Astronomy(all)

Cite this

Hacker, J. B., De Lisio, M. P., Kim, M., Liu, C. M., Li, S. J., Wedge, S. W., & Rutledge, D. B. (2009). A to-watt x-band grid oscillator. In Active Antennas and Quasi-Optical Arrays (pp. 94-97). John Wiley and Sons Inc.. https://doi.org/10.1109/9780470544068.ch3

A to-watt x-band grid oscillator. / Hacker, J. B.; De Lisio, M. P.; Kim, Moonil; Liu, Cheh Ming; Li, Sri Jie; Wedge, S. W.; Rutledge, D. B.

Active Antennas and Quasi-Optical Arrays. John Wiley and Sons Inc., 2009. p. 94-97.

Research output: Chapter in Book/Report/Conference proceedingChapter

Hacker, JB, De Lisio, MP, Kim, M, Liu, CM, Li, SJ, Wedge, SW & Rutledge, DB 2009, A to-watt x-band grid oscillator. in Active Antennas and Quasi-Optical Arrays. John Wiley and Sons Inc., pp. 94-97. https://doi.org/10.1109/9780470544068.ch3
Hacker JB, De Lisio MP, Kim M, Liu CM, Li SJ, Wedge SW et al. A to-watt x-band grid oscillator. In Active Antennas and Quasi-Optical Arrays. John Wiley and Sons Inc. 2009. p. 94-97 https://doi.org/10.1109/9780470544068.ch3
Hacker, J. B. ; De Lisio, M. P. ; Kim, Moonil ; Liu, Cheh Ming ; Li, Sri Jie ; Wedge, S. W. ; Rutledge, D. B. / A to-watt x-band grid oscillator. Active Antennas and Quasi-Optical Arrays. John Wiley and Sons Inc., 2009. pp. 94-97
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