R. Howell, E. Stewart, R. Freitag, J. Parke, B. Nechay, H. Cramer, M. King, Shalini Gupta, J. Hartman, P. Borodulin, M. Snook, I. Wathuthanthri, Parrish Ralston, K. Renaldo, H. G. Henry
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引用次数: 23
Abstract
A low loss, high isolation, broadband RF switch has been developed using a novel type of field effect transistor structure that exploits the use of a super-lattice structure in combination with a three dimensional, castellated gate to achieve excellent RF switch performance. Using an AlGaN/GaN super-lattice epitaxial layer, this Super-Lattice Castellated Field Effect Transistor (SLCFET) was used to build 1-18 GHz SPDT RF switches. Measured insertion loss of the SPDT at 10 GHz was -0.4 dB, with -35 dB of isolation and -23 dB of return loss, along with a measured linearity OIP3 value 62 dBm and a P0.1dB of 34 dBm.
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