Measurement challenges for On-wafer characterization of RF devices and its remedial solutions targeting multifaceted wireless communication in modern era

Karmakar, Ayan; Biswas, Balaka; Gayen, Sreetama

doi:10.1109/mapcon56011.2022.10047210

2022 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON) 2022

DOI: 10.1109/mapcon56011.2022.10047210

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Measurement challenges for On-wafer characterization of RF devices and its remedial solutions targeting multifaceted wireless communication in modern era

Ayan Karmakar¹,

Balaka Biswas

Sreetama Gayen

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2024

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Bioinspired planar switched beam network using Butler matrix on a flexible substrate targeting multifaceted millimeter-wave applications

Biswas,

Karmakar

2024

Int. J. Microw. Wireless Technol.

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This paper details the design and development of a planar switched beam network using 4 × 4 Butler matrix (BM) over a thin and flexible type biocompatible substrate. Four mils thick liquid crystal polymer (LCP) is used as a substrate here (ϵr = 2.92, tanδ = 0.002). The proposed design is centered at 28 GHz, targeting commercial millimeter-wave applications. Floral-shaped antenna with defective ground structures has been implemented as basic radiating elements. The whole structure is based on microstrip line configuration. The architecture occupies an area of 23.85 × 19.20 mm2 over the LCP substrate. Individual components of the BM are detailed here, followed by a system analysis of the whole integrated structure. The present work also covers the electrical equivalent circuit modeling of the whole beam-forming network. The fabricated prototype offers better than 18 dB return losses at each input port for the desired frequency band with 6 dBi (max.) peak gain and 500 MHz bandwidth around the center frequency. Port-to-port isolation of better than 15 dB is achieved with this topology. Experimental and simulated results are in good agreement in all aspects. A comparative study is also chalked out to highlight the significance of the current research work with respect to alike earlier reported structures.

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Bioinspired planar switched beam network using Butler matrix on a flexible substrate targeting multifaceted millimeter-wave applications

Biswas,

Karmakar

2024

Int. J. Microw. Wireless Technol.

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Measurement challenges for On-wafer characterization of RF devices and its remedial solutions targeting multifaceted wireless communication in modern era

Cited by 1 publication

References 8 publications

Bioinspired planar switched beam network using Butler matrix on a flexible substrate targeting multifaceted millimeter-wave applications

Bioinspired planar switched beam network using Butler matrix on a flexible substrate targeting multifaceted millimeter-wave applications

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