Title :
Design of Full Band UWB Common-Gate LNA
Author :
Shim, Yuna ; Kim, Chang-Wan ; Lee, Jeongseon ; Lee, Sang-Gug
Author_Institution :
Inf. & Commun. Univ., Daejeon
Abstract :
A two-stage, common-gate in cascade with cascode, ultra wideband low noise amplifier (LNA) topology is proposed for 3.1 to 10.5 GHz full band application. The common-gate first stage is adopted and optimized for low noise figure (NF) at high frequencies. The LNA implemented in 0.18 mum CMOS shows more than 10 dB input return loss, maximum gain of 16 dB, and NF of 3.8~4.0 dB over the full frequency band while dissipating 5.3 mA from 1.8 V supply.
Keywords :
CMOS integrated circuits; MMIC amplifiers; low noise amplifiers; ultra wideband technology; wideband amplifiers; CMOS; cascode; current 5.3 mA; frequency 3.1 GHz to 10.5 GHz; full band UWB common-gate LNA; gain; gain 10 dB; gain 16 dB; gain 3.8 dB to 4 dB; noise figure; size 0.18 mum; ultra wideband low noise amplifier topology; voltage 1.8 V; Broadband amplifiers; CMOS technology; Circuit noise; Frequency; Impedance matching; Low-noise amplifiers; Noise figure; Noise measurement; Topology; Ultra wideband technology; Common-gate; low noise amplifier (LNA); ultra wideband (UWB);
Journal_Title :
Microwave and Wireless Components Letters, IEEE
DOI :
10.1109/LMWC.2007.905633
