A 3a8 GHz Low-Noise CMOS Amplifier

A wideband CMOS low-noise amplifier (LNA) is proposed by using the concept of mutual coupling technique implemented through a symmetric center-tap inductor. A frequency widening network is designed with a center-tap inductor at the input and the output of an LNA to achieve bandwidth extension with a...

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Bibliographic Details
Published in:IEEE microwave and wireless components letters 2009-01, Vol.19 (4)
Main Authors: Meaamar, A, Boon Chirn Chye, Boon Chirn Chye, Do Man Anh, Do Man Anh, Yeo Kiat Seng, Yeo Kiat Seng
Format: Article
Language:English
Subjects:
Amplifiers
Bandwidth
CMOS
Inductors
Low noise
Microwaves
Mutual coupling
Wideband
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Summary:A wideband CMOS low-noise amplifier (LNA) is proposed by using the concept of mutual coupling technique implemented through a symmetric center-tap inductor. A frequency widening network is designed with a center-tap inductor at the input and the output of an LNA to achieve bandwidth extension with a single stage amplifier. The proposed wideband low noise amplifier is implemented in the 0.18 mum CMOS technology. This design obtains a bandwidth of 3-8 GHz with a power consumption of 3.77 mW from a 1.8 V supply.
ISSN:1531-1309
DOI:10.1109/LMWC.2009.2015512