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This study was initiated to design a low noise amplifier (LNA), which could work with ultra low voltage of 0.5V and was optimized for WSN application using SMIC 0.13 μm RF-CMOS technology. The topology of differential inductance degenerated folded cascode based on power-constrained simultaneous noise and input matching (PCSNIM) technique was adopted. Chosen circuit demonstrated a power gain of 16...
In this paper, a wideband LC cross-coupled VCO is designed and realized with the TSMC 0.18 mum CMOS technology. By incorporating band switching capacitors, the overall tuning frequency range is divided into 16 bands, covering 1.17-1.9 GHz (47%). A linear time variant (LTV) model is used to quantitatively analyze voltage biased oscillators. In order to minimize the phase noise, the size of the MOSFET...
According to the definition of noise figure, this paper presents a detailed analysis of the noise parameter of a low noise amplified (LNA) in a CMOS cascode topology with the source degeneration inductance and gate shunt capacitance. Based on the derived equations, the important application of this topology is discussed and a low power UHF CMOS LNA is optimized for RFID. The simulated results show...
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