A 60 GHz high-Q tapered transmission line resonator in 90nm CMOS
Marcu, C.
Niknejad, A.M.
Dept. of Electr. Eng. & Comput. Sci., Univ. of California at Berkeley, Berkeley, CA;
This paper appears in: Microwave Symposium Digest, 2008 IEEE MTT-S International
Publication Date: 15-20 June 2008
On page(s): 775-778
Location: Atlanta, GA,
ISSN: 0149-645X
ISBN: 978-1-4244-1780-3
INSPEC Accession Number: 10399023
Digital Object Identifier: 10.1109/MWSYM.2008.4632947
Current Version Published: 2008-09-26
Abstract
This paper presents an integrated high quality factor tapered transmission line resonator for 60 GHz applications, in a 90 nm digital CMOS process. The resonator takes advantage of the standing wave properties of shorted quarter wavelength transmission lines to enhance the resonant quality factor by trading off between resistive and conductive losses. The tapered resonator achieves over 70% quality factor improvement over an optimal uniform resonator and can provide even higher gains on lower loss substrates.
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