A controllable variable gain LNA for 2 GHz band

A variable gain LNA with large and continuous gain variation is proposed. By adding a simple gain-control loop at the second stage of a cascade LNA, a continuous gain tuning range of 28 dB is achieved. The maximum gain and NF of the LNA are 19 dB and 2.1 dB, respectively, while the DC power consumpt...

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Bibliographic Details
Main Authors: Yong-Seok Hwang, Chang-Jae Kim, Ji-Hoon Kim, Hyung-Joun Yoo
Format: Conference Proceeding
Language:English
Subjects:
Communication standards
Energy consumption
Gain control
Noise measurement
Switches
Threshold voltage
Transceivers
Wideband
Wireless communication
Wireless LAN
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Description
Summary:A variable gain LNA with large and continuous gain variation is proposed. By adding a simple gain-control loop at the second stage of a cascade LNA, a continuous gain tuning range of 28 dB is achieved. The maximum gain and NF of the LNA are 19 dB and 2.1 dB, respectively, while the DC power consumption is 13.5 mW.
ISSN:2165-4727
2165-4743
DOI:10.1109/APMC.2005.1607089