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Monolithic Integration of a Folded Dipole Antenna With a 24-GHz Receiver in SiGe HBT Technology
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Signal Processing.
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Signal Processing.
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2007 (English)In: IEEE transactions on microwave theory and techniques, ISSN 0018-9480, E-ISSN 1557-9670, Vol. 55, no 7, 1467-1475 p.Article in journal (Refereed) Published
Abstract [en]

The integration of an on-chip folded dipole antenna with a monolithic 24-GHz receiver manufactured in a 0.8-mum SiGe HBT process is presented. A high-resistivity silicon substrate (1000 Omega ldr cm) is used for the implemented circuit to improve the efficiency of the integrated antenna. Crosstalk between the antenna and spiral inductors is analyzed and isolation techniques are described. The receiver, including the receive and an optional transmit antenna, requires a chip area of 4.5 mm2 and provides 30-dB conversion gain at 24 GHz with a power consumption of 960 mW.

Place, publisher, year, edition, pages
2007. Vol. 55, no 7, 1467-1475 p.
Keyword [en]
Dipole antennas, heterojunction bipolar transistors (HBTs), monolithic microwave integrated circuit (MMIC) receivers
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-94862DOI: 10.1109/TMTT.2007.900315ISI: 000248063100007OAI: oai:DiVA.org:uu-94862DiVA: diva2:168863
Available from: 2006-09-22 Created: 2006-09-22 Last updated: 2017-12-14Bibliographically approved
In thesis
1. Integrated Antennas: Monolithic and Hybrid Approaches
Open this publication in new window or tab >>Integrated Antennas: Monolithic and Hybrid Approaches
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis considers integration of antennas and active electronics manufactured on the same substrate. The main topic is on-chip antennas for commercial silicon processes, but hybrid integration using printed circuit board technology is also addressed.

The possible use of micromachining techniques as a means of reducing substrate losses of antennas manufactured on low resistivity silicon wafers is investigated. Compact dipole, loop, and inverted-F antennas for the 20-40 GHz frequency range are designed, implemented, and characterized. The results show significantly improved antenna efficiency when micromachining is used as a post-processing step for on-chip antennas manufactured in silicon technology.

High resistivity wafers are used in a commercial silicon germanium technology to improve the efficiency of dipole antennas realized using the available circuit metal layers in the process. Monolithically integrated 24 GHz receivers with on-chip antennas are designed and evaluated with regard to antenna and system performance. No noticeable degradation of the receiver performance caused by cross talk between the antenna and the integrated circuit is observed.

For low frequency antenna arrays, such as base station antennas, hybrid integration of active devices within the antenna aperture is treated. A compact varactor based phase shifter for traveling wave antenna applications is proposed and evaluated. Electrically steerable traveling wave patch antenna arrays, with the phase shifters implemented in the same conductor layer as the radiating elements, are designed and manufactured in microstrip technology. It is experimentally verified that the radiation from the feed network and phase shifters in the proposed antenna configuration is small.

Place, publisher, year, edition, pages
Uppsala: Acta Universitatis Upsaliensis, 2006. 69 p.
Series
Digital Comprehensive Summaries of Uppsala Dissertations from the Faculty of Science and Technology, ISSN 1651-6214 ; 221
Keyword
Electronics, antenna travelling wave arrays, antenna phased arrays, phase shifters, micromachining, silicon, monolithic microwave integrated circuits, dipole antennas, loop antennas, slot antennas, Elektronik
Identifiers
urn:nbn:se:uu:diva-7142 (URN)91-554-6651-6 (ISBN)
Public defence
2006-10-13, Siegbahnsalen, Ångströmlaboratoriet, Lägerhyddsv. 1, Uppsala, 10:15
Opponent
Supervisors
Available from: 2006-09-22 Created: 2006-09-22 Last updated: 2013-05-17Bibliographically approved

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