Accurate method to measure the antenna impedance of a portable radio

Y. L. Chow; K. F. Tsang; C. N. Wong

doi:10.1002/(SICI)1098-2760(19991220)23:6<349::AID-MOP8>3.0.CO;2-K

Accurate method to measure the antenna impedance of a portable radio

Y. L. Chow
, K. F. Tsang
, C. N. Wong

Department of Electrical Engineering

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

14 Citations (Scopus)

Abstract

Traditional impedance measurement of a monopole antenna is inaccurate due to a likely stray radiating current on the measuring cable that is also affected by the operating human. This letter demonstrates experimentally that the elimination of this stray current is possible by using a special sleeve balun suitable for varied PCB ground-plane and human postures. Adjustment of the balun position is discussed.

Original language	English
Pages (from-to)	349-352
Journal	Microwave and Optical Technology Letters
Volume	23
Issue number	6
DOIs	https://doi.org/10.1002/(SICI)1098-2760(19991220)23:6<349::AID-MOP8>3.0.CO;2-K
Publication status	Published - 1999

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abstract = "Traditional impedance measurement of a monopole antenna is inaccurate due to a likely stray radiating current on the measuring cable that is also affected by the operating human. This letter demonstrates experimentally that the elimination of this stray current is possible by using a special sleeve balun suitable for varied PCB ground-plane and human postures. Adjustment of the balun position is discussed.",

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AU - Chow, Y. L.

AU - Tsang, K. F.

AU - Wong, C. N.

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Y1 - 1999

N2 - Traditional impedance measurement of a monopole antenna is inaccurate due to a likely stray radiating current on the measuring cable that is also affected by the operating human. This letter demonstrates experimentally that the elimination of this stray current is possible by using a special sleeve balun suitable for varied PCB ground-plane and human postures. Adjustment of the balun position is discussed.

AB - Traditional impedance measurement of a monopole antenna is inaccurate due to a likely stray radiating current on the measuring cable that is also affected by the operating human. This letter demonstrates experimentally that the elimination of this stray current is possible by using a special sleeve balun suitable for varied PCB ground-plane and human postures. Adjustment of the balun position is discussed.

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UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-0033335628&origin=recordpage

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DO - 10.1002/(SICI)1098-2760(19991220)23:6<349::AID-MOP8>3.0.CO;2-K

M3 - RGC 21 - Publication in refereed journal

SN - 0895-2477

VL - 23

SP - 349

EP - 352

JO - Microwave and Optical Technology Letters

JF - Microwave and Optical Technology Letters

IS - 6

ER -

Accurate method to measure the antenna impedance of a portable radio

Abstract

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