A Planar Near Field Setup for Millimeter-Wave System-Embedded Antenna Testing

Journal article (2017)

Authors

M. Alonso Del Pino Electronics -

M. Di Rosa Electronics -

M. Simeoni European Space Agency (ESA)

Maristella Spella NXP Semiconductors

C. De Martino Electronics -

M. Spirito Electronics -

Research Group

Electronics () (TU Delft)

Nearfield measurement Embedded antenna On-module antenna

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http://resolver.tudelft.nl/uuid:c5c0971b-48c3-44dc-8a67-cda40bf465a1

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Published Date

2017

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electronics

Abstract

An experimental method to perform near-field measurement of system-embedded antennas is presented. The proposed approach employs two probe antennas, one fixed and one scanning, enabling to retrieve both amplitude and phase of the near-field. This allows to employ conventional nearfield to far-field transformations, without the need to resort to phase retrieval approaches. The technique is first demonstrated on a standalone 60GHz patch, showing the good agreement between the proposed method and a conventional (one probe) near-field characterization. Then, the method is applied to the characterization of embedded antennas operating in the 60GHz and 94GHz bands, and it is benchmarked with simulations and conventional far-field characterization techniques.

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