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This paper presents a design for 1–6 GHz low noise amplifier (LNA) based on cascade GaN HEMTs with LC ladder input matching and stabilizing output impedance. The designed LNA is simulated using Advanced Design Software (ADS) based on a commercial packaged transistor from Cree Inc. The LNA shows a maximum noise figure of 2.95 dB in the 1–6 GHz range with a gain of 14 dB. It also has a maximum S 11...
A low noise amplifier (LNA) is proposed for a 35GHz ultra-wideband (UWB) system. The combination of a common-gate (CG) input stage and a common-source (CS) input cascode stage is exploited with a modified form of noise cancellation. The proposed LNA is implemented in a 0.18μm CMOS technology and achieves a power gain of 18dB, an average noise figure of 3.3dB, and better than -11dB of input/output...
A CMOS direct-conversion receiver with only one signal path is reconfigurable from 2 GHz to 6 GHz in the RF band and from 3.6 MHz to 54 MHz in the channel bandwidth. By employing a voltage feedback in a common-gate low-noise amplifier (LNA), the input matching of the LNA can be reconfigured for each RF band by simply changing the resonant frequency of load network. Implemented in a 0.18 mum 1P5M RF...
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