From Cooling to Coupling and Back

A Novel Beam Switching Heatsink Antenna Array With CSRR Embedded Isolation Wall

Journal Article (2023)
Author(s)

Feza Turgay Celik (TU Delft - Microelectronics)

O. Yarovoy (TU Delft - Microwave Sensing, Signals & Systems)

Y. Aslant (TU Delft - Microwave Sensing, Signals & Systems)

Department
Microelectronics
Copyright
© 2023 F.T. Çelik, Alexander Yarovoy, Y. Aslan
DOI related publication
https://doi.org/10.1109/LAWP.2023.3302572
More Info
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Publication Year
2023
Language
English
Copyright
© 2023 F.T. Çelik, Alexander Yarovoy, Y. Aslan
Department
Microelectronics
Issue number
11
Volume number
22
Pages (from-to)
2690 - 2694
Reuse Rights

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Abstract

A novel electromagnetic-thermal codesign and optimization methodology is proposed for thermal management in active finned-heatsink antenna arrays. An innovative complementary split-ring resonator embedded dual-functional (i.e., heat-dissipating electromagnetic-isolation) wall is introduced. For concept demonstration, a two-element unit cell is designed at 26 GHz with the wall in between the antenna elements. It is shown via simulations that the proposed design decreases the junction temperature of the chip driving the elements by almost 40 $^{\circ }$C and 15 $^{\circ }$C as compared with the conventional and finned-heatsink antennas, respectively. Moreover, the port coupling level is reduced to below -25 dB near the operating frequency and a low-complexity beam- switching and nulling function is achieved.

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