Philip J. Koh
University of Virginia
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Publication
Featured researches published by Philip J. Koh.
IEEE Microwave and Guided Wave Letters | 1995
Philip J. Koh; W.C.B. Peatman; Thomas W. Crowe
A new Schottky diode, based on a contact at the edge of a 2-dimensional electron gas (2-DEG) is investigated for use as a multiplier element in the millimeter and submillimeter wavelength regions. As a negative voltage is applied to the Schottky contact, the depletion layer between the Schottky contact and the 2-DEG expands and the junction capacitance decreases, resulting in a non-linear reactance. Device results are presented which demonstrate low series resistance, large capacitance modulation, and significantly higher tripler efficiency (75-225 GHz) than previously reported multiplier results of this type of structure. >
Archive | 2003
Philip J. Koh; David T. Nemeth
Archive | 1998
Philip J. Koh; Thomas W. Crowe; William L. Bishop; Jeffrey L. Hesler; Robert M. Weikle; C. M. Mann; David Matheson
Archive | 2001
Philip J. Koh; Steven M. Marazita; David T. Nemeth
Archive | 1997
Thomas W. Crowe; Philip J. Koh; William L. Bishop; C. M. Mann; Jeffrey L. Hesler; Robert M. Weikle; Perry Wood; David Matheson
Archive | 1996
Philip J. Koh; W.C.B. Peatman; Thomas W. Crowe; Neal R. Ericksont
Archive | 2002
Philip J. Koh; Steven M. Marazita; David T. Nemeth
Archive | 1998
Philip J. Koh; Thomas W. Crowe; Jeffrey L. Hesler; Perry Wood; William L. Bishop; Robert M. Weikle
Archive | 1997
Steven M. Marazita; William L. Bishop; Thomas M. Cunningham; Philip J. Koh; Thomas W. Crowe; Robert M. Weikle
Archive | 2002
Philip J. Koh; David T. Nemeth; Steven M. Marazita
