Near-Field Test Challenges of High Frequency Digital Phased Array Antennas

Author: Daniël Janse van Rensburg
Publication: ISAP 2020
Copyright Owner: NSI-MI Technologies

A hemispherical near-field test system that allows for the AUT to remain stationary is described. Typical structural test data is presented to illustrate the applicability of this type of test system for high frequency (mmWave) cases. Digital data rates for a typical AUT are also presented and it is shown to become restrictive in terms of the maximum throughput achievable during testing.

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