NDLI: A Compact 340 GHz 2x4 Patch Array with Integrated Subharmonic Gilber Core Mixer as a Building Block for Multi-Pixel Imaging Frontends

Content Provider	IEEE Xplore Digital Library
Author	Karandikar, Y. Zirath, H. Yu Yan Vassilev, V.
Copyright Year	2014
Description	Author affiliation: Dept. of Microtechnol. & Nanosci., Chalmers Univ. of Technol., Gothenburg, Sweden (Karandikar, Y.; Zirath, H.; Yu Yan; Vassilev, V.)
Abstract	For linear multi-pixel imaging systems, a linear stack of pixels comprising of an antenna and a heterodyne receiver are needed. Such pixels can be realized using MMIC processes. The main constraint for such multi-pixel system is a compact array of pixels giving high coupling to quasi-optics used for focusing. This paper addresses this trade-off and presents a novel solution based on beam synthesis of two consecutive subarrays. One such sub-array along with heterodyne receiver is described as half-pixel in this paper and it is realized using 2×4 patch array and Gilbert core sub-harmonic mixer using a 250nm DHBT process. The patch array has ohmic loss better than 8 dB and mixer conversion loss is 6-8 dB over 320-350 GHz RF band. The chip size is 1mm × 2mm and therefore for 7 simultaneous beams a MMIC of 8 half-pixels is foreseen.
Starting Page	1
Ending Page	4
File Size	368206
Page Count	4
File Format	PDF
ISBN	9781479936229
DOI	10.1109/CSICS.2014.6978533
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-10-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Arrays Mixers Microstrip antenna arrays Microstrip Imaging Couplings MMICs
Content Type	Text
Resource Type	Article

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