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Pseudo concurrent quad-band LNA operating in 900 MHz/1.8 GHz and 900 MHz/2.4 GHz bands for multi-standard wireless receiver
S. Datta, K. Datta, , T.K. Bhattacharyya
Published in
2010
Pages: 25 - 29
Abstract
This article presents the design of a novel quad-band LNA operating in the GSM 0.9GHz/GSM l.8GHz and ZigBee 0.9GHz/WLAN 2.4GHz communication standards. This pseudo-concurrent architecture uses a two bit mode switch for selecting between the frequency bands. An RF switch is implemented before the Low Noise Amplifier (LNA) module to improve the insertion loss and isolation between the frequency bands. The pseudo-concurrent LNA is designed and simulated in CADENCE using 130nm UMC technology. The current design is especially suitable for use in multi-standard wireless receiver frontends as it saves die area and reduces power consumption by replacing parallel LNAs for each channel frequency. Simulation results indicate a Noise Figure below 4dB and S21 above 14 dB in all frequency bands while drawing 10mA current from a 1.2V power supply. © 2010 IEEE.
About the journal
JournalProceedings - 2nd International Conference on Advances in Recent Technologies in Communication and Computing, ARTCom 2010