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http://dx.doi.org/10.12815/kits.2016.15.4.143

A Study on Optimization of LO Power for Improving Linearity in MMIC Double Balanced Mixer  

Kim, Tae-Young (Kwangwoon Univ.)
Lee, Min-Jae (Kwangwoon Univ.)
Lee, Jong-Chul (Kwangwoon Univ.)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.15, no.4, 2016 , pp. 143-152 More about this Journal
Abstract
In this paper, a MMIC double balanced mixer that can be applied to the tele-communication band is designed and LO power optimization for the mixer is discussed. The chip of the MMIC double-balanced mixer is fabricated on GaAs substrate with the size of $4{\times}4mm^2$. Optimization study of LO power for the MMIC double-balanced mixer proposed in this paper is conducted for the Input IP3 (IIP3) regarding on the linearity of the input signal. When LO power level of+16 dBm is applied to the mixer, IIP3 is obtained to be approximately 23.2 dBm, which is the most outstanding characteristic.
Keywords
MMIC; Double balanced; Mixer; Lo Power; Optimization;
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