A D-band high-gain antenna module combining an in-package active feed and a flat discrete lens
Abstract
This paper presents the design and experimental characterization of a high-gain D-band antenna module for highcapacity short-range links. The system comprises an active feed and a flat discrete lens. The active feed integrates a 45-nm CMOS two-channel transmitter, a diplexer and a four-element patch array on a low-cost laminate. This antenna-in-package excites a 48×48 planar lens which is designed using 16 different unit-cells and is optimized to collimate a broadside beam. The module operates over an 11.6% fractional bandwidth, between 139.4 GHz and 156.6 GHz, and delivers a peak effective isotropic power of 17 dBm.
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