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Design and performance of a novel broadband uniplanar balanced subharmonic mixer

✍ Scribed by Sung Tae Choi; Yong Hoon Kim

Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
107 KB
Volume
44
Category
Article
ISSN
0895-2477

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✦ Synopsis

Abstract

A novel wideband uniplanar balanced subharmonic mixer is proposed and demonstrated. The mixer is based on the broadband tapered coplanar‐waveguide (CPW) DC‐block filter, and the in‐phase and out‐of‐phase T‐junctions are interconnected through a pair of quarter‐wavelength slotlines. The fabricated subharmonic mixer has an RF bandwidth of more than one octave from 12 to 28 GHz with a conversion loss ranging from 8.5 to 12.5 dB for LO signals from 6.1 to 14.1 GHz with a power level of 9.5 dBm. The measured LO‐to‐RF, LO‐to‐IF, and RF‐to‐IF isolations are better than 15.5, 34, and 26.6 dB, respectively. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 44: 508–510, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20681

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