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In this paper we introduce a method to significantly reduce the substrate leakage current in an RF NMOS switch device without degrading the device figure-of-merit (Ron×Coff), and with no increase in device complexity. This is based on modifying the structure layout, and introducing dedicated sinks. These sinks prevent the substrate's minority carriers from reaching the source/drain regions, thereby...
A Silicon-on-Insulator (SOI) CMOS technology on high resistivity silicon substrates is presented for the design of cellular antenna switches. The design and measurement results for an SP9T cellular antenna switch based on this technology are presented. To the best of our knowledge, this is the first demonstration of an SP9T cellular antenna switch with adequate intermodulation and harmonic distortion...
An original design methodology for the selection of output matching network for a concurrent dual-band Low Noise Amplifier (LNA) that is targeted for the use in the GSM 1.8 GHz and WLAN 2.4 GHz range has been proposed in this paper. A particle swarm optimization (PSO) based technique is used to get the optimized values of the output load network components. An RF switch has been incorporated before...
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