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Volume 14
Issue 22
10.3390/electronics14224433
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Article

A 39 GHz Phase Shifter in 28 nm FD-SOI CMOS Technology for mm-Wave Wireless Communications

by
Alessandro Domenico Minnella
1,
Giuseppe Papotto
2,
Alessandro Finocchiaro
2,
Alessandro Parisi
2,
Alessandro Castorina
2 and
Giuseppe Palmisano
1,*
1
Dipartimento di Ingegneria Elettrica Elettronica e Informatica (DIEEI), University of Catania, 95125 Catania, Italy
2
STMicroelectronics, 95121 Catania, Italy
*
Author to whom correspondence should be addressed.
Electronics 2025, 14(22), 4433; https://doi.org/10.3390/electronics14224433
Submission received: 11 October 2025 / Revised: 6 November 2025 / Accepted: 10 November 2025 / Published: 13 November 2025
(This article belongs to the Special Issue CMOS Integrated Circuits Design)
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Abstract

This paper presents a 0–360° phase shifter in 28 nm FD-SOI CMOS technology, suitable for radar applications and mm-wave wireless communication systems, which adopt high-efficiency transmitter architectures. It exploits a novel switching vector modulator based on a double-balanced Gilbert cell, which guarantees high-resolution phase control while exhibiting inherently high robustness against process and temperature variations. The phase control is performed by merely changing the currents in the Gilbert cells using digitally controlled current generators. The proposed phase shifter operates at 39 GHz and provides RMS phase and gain errors of 2.7–4.7° and 0.3–0.5 dB, respectively, while drawing 13 mA from a 1 V supply voltage.
Keywords: phase shifter; switching vector modulator; quadrature generator; mm-wave IC; 28-nm FD-SOI CMOS; electromagnetic simulations phase shifter; switching vector modulator; quadrature generator; mm-wave IC; 28-nm FD-SOI CMOS; electromagnetic simulations

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MDPI and ACS Style

Minnella, A.D.; Papotto, G.; Finocchiaro, A.; Parisi, A.; Castorina, A.; Palmisano, G. A 39 GHz Phase Shifter in 28 nm FD-SOI CMOS Technology for mm-Wave Wireless Communications. Electronics 2025, 14, 4433. https://doi.org/10.3390/electronics14224433

AMA Style

Minnella AD, Papotto G, Finocchiaro A, Parisi A, Castorina A, Palmisano G. A 39 GHz Phase Shifter in 28 nm FD-SOI CMOS Technology for mm-Wave Wireless Communications. Electronics. 2025; 14(22):4433. https://doi.org/10.3390/electronics14224433

Chicago/Turabian Style

Minnella, Alessandro Domenico, Giuseppe Papotto, Alessandro Finocchiaro, Alessandro Parisi, Alessandro Castorina, and Giuseppe Palmisano. 2025. "A 39 GHz Phase Shifter in 28 nm FD-SOI CMOS Technology for mm-Wave Wireless Communications" Electronics 14, no. 22: 4433. https://doi.org/10.3390/electronics14224433

APA Style

Minnella, A. D., Papotto, G., Finocchiaro, A., Parisi, A., Castorina, A., & Palmisano, G. (2025). A 39 GHz Phase Shifter in 28 nm FD-SOI CMOS Technology for mm-Wave Wireless Communications. Electronics, 14(22), 4433. https://doi.org/10.3390/electronics14224433

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