CMU MEMS Laboratory Publication Abstract

 

in M.S. Thesis, August 2002, Carnegie Mellon University, Pittsburgh, PA.
LNA and mixer trade-offs across 1.5 GHz, 2.4 GHz and 3.2 GHz bands and CMOS and SiGe processes
C. Jung
ABSTRACT:
LNAs and mixers are designed for various processes using a synthesis tool (NeoCircuit). RF design considerations such as impedance matching guided the selection of a LNA and mixer topology that could be simultaneously used for 1.5 GHz, 2.4 GHz and 3.2 GHz bands. The sample processes include TSMC 0.18, 0.25, 0.35 μm, SiGe5HP and SiGe6HP. A total of 30 viable RF circuits are designed. A new technique named Local Power Distribution S-parameter (LPDS) is developed for faster IIP3 evaluation. RF front end design trade-offs such as power, noise, IIP3 and their trends across increasing RF frequency bands and evolving process feature size shrinks are identified, and can be used by wireless system architects to identify directions for future wireless front end circuit research.
© 2002 Carnegie Mellon University, Department of Electrical and Computer Engineering.
Full paper (PDF) (opens in new window).


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