Title :
A controllable variable gain LNA for 2 GHz band
Author :
Hwang, Yong-Seok ; Kim, Chang-Jae ; Kim, Ji-Hoon ; Yoo, Hyung-Joun
Author_Institution :
Sch. of Eng., Inf. & Commun. Univ., Daejeon, South Korea
Abstract :
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.
Keywords :
UHF amplifiers; gain control; low noise amplifiers; network synthesis; 13.5 mW; 19 dB; 2 GHz; 2.1 dB; cascade low noise amplifier; continuous gain variation; controllable variable gain LNA; gain-control loop; Communication standards; Energy consumption; Gain control; Noise measurement; Switches; Threshold voltage; Transceivers; Wideband; Wireless LAN; Wireless communication;
Conference_Titel :
Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings
Print_ISBN :
0-7803-9433-X
DOI :
10.1109/APMC.2005.1607089
