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In this paper, we discuss a DC-20GHz single-pole double-throw (SPDT) transmit/receive switch (T/R switch) design in 45nm SOI process. This circuit is dedicated to fully integrated CMOS RF front end modules for X/Ku band satellite communication applications. The switch exhibits a measured insertion loss of 0.59dB, return loss of 23dB, and isolation of 17dB at 14GHz. The input 1dB compression point...
In this paper, we present 2.4/5.5 GHz LNAs with SPDT Switch for WiFi Front-End Modulate Integrated Circuit (FEM IC) based on high resistivity substrate 0.35um SiGe BiCMOS process. For the 2.4GHz LNA, the bias circuit's effect on the nonlinearity is analyzed and measured, and then a new bias circuit is proposed. With 2.7V supply, it consumes 4.2mA current. The measured Gain is about 14.6dB with input...
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