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http://dx.doi.org/10.5515/KJKIEES.2007.18.4.408

A Design of Ultra Wide Band Switched-Gain Controlled Low Noise Amplifier Using 0.18 um CMOS  

Jeong, Moo-Il (Department of Radio Science & Engineering, Hanbat University)
Lee, Chang-Seok (Department of Radio Science & Engineering, Hanbat University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.18, no.4, 2007 , pp. 408-415 More about this Journal
Abstract
A switched-gain controlled LNA is designed and implemented in 0.18 um CMOS technology for $3.1{\sim}4.8\;GHz$ UWB system. In high gain mode, measurement shows a power gain of 12.5 dB, an input IP3 of 0 dBm, while consuming only 8.13 mA of current. In low gain mode, measurement shows a power gain of -8.7 dB, an input IP3 of 9.1 dBm, while consuming only 0 mA of current.
Keywords
UWB(Ultra Wide Band); CMOS; LNA(Low Noise Amplifier); Gain Controlled;
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