ISSTT Proceedings

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A 75 GHz to 115 GHz Quasi-Optical Amplifier

Authors:
Thomas P. Budka, Michael W. Trippe, Sander Weinreb, Gabriel M. Rebeiz
Abstract:
A wideband quasi-optical amplifier employing two pyramidal back-to-back horns has been developed. Using a four-stage W-band low noise amplifier (LNA) designed and fabricated by Martin Marietta Laboratories, the quasi-optical amplifier gives a system gain greater than 11 dB from 86 GHz to 113 GHz without any low frequency oscillations. A peak system gain of 15.5 dB is measured at 102 GHz, and the measured noise figure of the system is 7.4 dB at 94 GHz. The quasi-optical amplifier design maintains the same polarization of the received and transmitted signal while providing good isolation and can be fabricated monolithically at millimeter-wave frequencies.
Categories:
Miscellaneous
Year:
1993
Session:
3
Full-text:
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Page Number(s):
104-112