A grid amplifier

Moonil Kim, James J. Rosenberg, R. Peter Smith, Robert M. Weikle, Jonathan B. Hacker, Michael P. DeLisio, David B. Rutledge

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Abstract

A 50-MESFET grid amplifier is reported that has a gain of 11 dB at 3.3 GHz. The grid isolates the input from the output by using vertical polarization for the input beam and horizontal polarization for the transmitted output beam. The grid unit cell is a two-MESFET differential amplifier. A simple calibration procedure allows the gain to be calculated from a relative power measurement. This grid is a hybrid circuit, but the structure is suitable for fabrication as a monolithic wafer-scale integrated circuit, particularly at millimeter wavelengths.

Original languageEnglish
Pages (from-to)322-324
Number of pages3
JournalIEEE Microwave and Guided Wave Letters
Volume1
Issue number11
DOIs
Publication statusPublished - 1991 Nov 1
Externally publishedYes

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ASJC Scopus subject areas

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

Cite this

Kim, M., Rosenberg, J. J., Smith, R. P., Weikle, R. M., Hacker, J. B., DeLisio, M. P., & Rutledge, D. B. (1991). A grid amplifier. IEEE Microwave and Guided Wave Letters, 1(11), 322-324. https://doi.org/10.1109/75.93899