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A 1.2 THz Planar Tripler Using GaAs Membrane Based ChipsFabrication technology for submillimeter-wave monolithic circuits has made tremendous progress in recent years and it is now possible to fabricate sub-micron GaAs Schottky devices on a number of substrate types, such as membranes, frame-less membranes or substrateless circuits. These new technologies allow designers to implement very high frequency circuits, either Schottky mixers or multipliers, in a radically new manner. This paper will address the design, fabrication, and preliminary results of a 1.2 THz planar tripler fabricated on a GaAs frame-less membrane, the concept of which was described previously. The tripler uses a diode pair in an antiparallel configuration similar to designs used at lower frequency. To date, this tripler has produced a peak output power of 80 microW with 0.9% efficiency at room temperature (at 1126 GHz). The measured fix-tuned 3 dB bandwidth is about 3.5%. When cooled, the output power reached a peak of 195 microW at 120 K and 250 microW at 50 K. The ease with which this circuit was implemented along with the superb achieved performance indicates that properly designed planar devices such as this tripler can now usher in a new era of practical very high frequency multipliers.
Document ID
20020038960
Document Type
Conference Paper
Authors
Bruston, J.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Maestrini, A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Pukala, D.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Martin, S.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Nakamura, B.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Mehdi, I.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA United States)
Date Acquired
August 20, 2013
Publication Date
December 1, 2001
Publication Information
Publication: Proceedings of the Twelfth International Symposium on Space Terahertz Technology
Subject Category
Electronics And Electrical Engineering
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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