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A high linearity I/Q mixer for high data rate E-band wireless communication links

: Antes, J.; Lopez-Diaz, D.; Lewark, U.J.; Wagner, S.; Tessmann, A.; Leuther, A.; Kallfass, I.

	European Microwave Association: 7th European Microwave Integrated Circuits Conference, EuMIC 2012. Proceedings : 29-30 Oct 2012, Amsterdam, The Netherlands, European Microwave Week Louvain-la-Neuve: European Microwave Assiciation, 2012 ISBN: 978-2-87487-028-6 pp.278-281
	European Microwave Integrated Circuits Conference (EuMIC) <7, 2012, Amsterdam> European Microwave Week (EuMW) <15, 2012, Amsterdam>

	English
	Conference Paper
	Fraunhofer IAF ()
	MMIC; millimeter wave integrated circuits; E-band wireless communication; E-band mixer; I/Q down-converter

Abstract
A high linearity I/Q bi-directional mixer MMIC using a Lange coupler to generate the 90° phase shift between the I and Q ports for E-band communication systems has been successfully realized in a 50nm mHEMT technology. The mixer achieves a measured conversion gain of -11 dB without pre- or post-amplification and an IF bandwidth of 6 GHz. An on-wafer linearity measurement shows no compression behavior up to an RF input power of 2 dBm, which is higher than the 1 dBcompression point of other reported E-band mixers.

: http://publica.fraunhofer.de/documents/N-221336.html