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A low power ultra-wideband (UWB) common-gate low noise amplifier (CGLNA) for IEEE 802.15.3a is presented. In order to save the power consumption, a current-reuse technology is used. For extending the bandwidth, the proposed circuit uses and the stagger tuning technique of two stacked stages with different resonant frequencies. The circuit is simulated with TSMC 0.18 mum mixed signal/RF CMOS process...
This paper describes a 1.5-V 2 GHz I/Q down conversion mixer for a WCDMA front-end receiver in a 0.18-mum CMOS process. The mixer achieves a conversion gain of 20.55 dB within 1-dB compression point (iCP1dB) of -9.2 dBm. It also achieves a double side band (DSB) noise figure (NF) of 8.96 dB. The mixer acquires the third order input referred intercept point (IIP3) of -0.54 dBm. The mixer consumes only...
This paper presents an ultra-wideband (UWB) 3.1~8.2-GHz low-noise amplifier design. Resistive shunt-feedback method is used to provide wideband input matching and low noise figure (NF). The cascade configuration is employed with the inductive source degeneration and an input three-section band-pass Chebyshev filter. The LNA operates at 1.5 Volt and consumes 16.2 mW. At 3.1~8.2-GHz, this LNA has NF...
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