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28 GHz compact 4‐way Wilkinson power divider/combiner using RCIN and mutual inductors in 0.13 μm CMOS technology

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In this study, we proposed a 4‐way Wilkinson power divider/combiner (WPDC) with a series RC(resistor‐capacitor) isolation network (RCIN) and mutual inductors for millimeter wave phased array applications. The proposed circuit… Click to show full abstract

In this study, we proposed a 4‐way Wilkinson power divider/combiner (WPDC) with a series RC(resistor‐capacitor) isolation network (RCIN) and mutual inductors for millimeter wave phased array applications. The proposed circuit offers small chip sizes and low insertion loss, measuring less than 0.85 dB, as well as an input/output return loss greater than 11.8 dB. Additionally, simulations showed isolation greater than 18.7 dB, amplitude imbalance less than 0.026 dB, and phase difference less than 0.26° in the 26–32 GHz. The 4‐way WPDC was implemented using bulk CMOS 1P8M 0.13 μm technology and had a circuit size of 0.087 mm².

Keywords: power divider; technology; way; wilkinson power; way wilkinson; divider combiner

Journal Title: Microwave and Optical Technology Letters
Year Published: 2023

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