NDLI: Near-Field Amplitude Measurement of Passive Intermodulation in Antennas

Content Provider	IEEE Xplore Digital Library
Author	Hienonen, S. Golikov, V. Mottonen, V. S. Vainikainen, P. Raisanen, A. V.
Copyright Year	2001
Description	Author affiliation: Radio Laboratory, Helsinki University of Technology, P.O.Box 3000, FIN-02015 HUT, Finland. Tel: +358 9 4512936, Fax: +358 9 4512152, E-mail: sami.hienonen@hut.fi (Hienonen, S.) \|\| Radio Laboratory, Helsinki University of Technology, P.O.Box 3000, FIN-02015 HUT, Finland. Tel: +358 9 4512936, Fax: +358 9 4512152 (Golikov, V.; Mottonen, V. S.; Vainikainen, P.; Raisanen, A. V.)
Abstract	Near-field measurement method of passive intermodulation (PIM) in antennas is introduced. Scanning with a near-field probe inside an antenna structure is proposed to be used to localise passive intermodulation sources and, thus, to speed up e.g. antenna design. For the amplitude measurement a mechanical scanner and a low-PIM probe are needed in addition to a PIM analyser. Two demonstration measurements with a matched microstrip line and stacked patch antenna incorporating a diode were made at 910 MHz. The diode caused a 21 dB peak in the microstrip line and a 16 dB peak in the antenna measurement.
Starting Page	1
Ending Page	4
File Size	3913961
Page Count	4
File Format	PDF
DOI	10.1109/EUMA.2001.339019
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2001-09-24
Publisher Place	England
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Probes Magnetic field measurement Distortion measurement Base stations Microstrip antennas Diodes Nonlinear distortion Intermodulation distortion Receiving antennas
Content Type	Text
Resource Type	Article

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