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This paper presents the design and implementation of an RF CMOS low noise amplifier (LNA) in a 130-nm CMOS technology for 24-GHz industrial, scientific, and medical (ISM) applications. The use of coplanar waveguide (CPW) structures as series feedback enables simultaneous noise and power matching, which is a fundamental trade-off in LNA design. Accurate high frequency noise modeling of nanometer MOSFETs...
Trade-off between noise figure (NF) and input return loss (RL or |S11|) imposes a fundamental limitation on the design of low noise amplifiers (LNA) for ultra-wideband (UWB) applications. A graph-based approach using Smith Chart to achieve optimum values for both NF and input RL over the desired LNA bandwidth is presented. The proposed method and device optimization technique are systematically incorporated...
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