Efficient wideband mmW transceiver front end for 5G base stations in 22-nm FD-SOI CMOS

C Elgaard, M Özen, E Westesson… - IEEE Journal of Solid …, 2023 - ieeexplore.ieee.org
This article presents a fully integrated millimeter-wave (mmW) transceiver front end covering
24.25–29.5 GHz. It features a wideband Doherty power amplifier utilizing adaptive bias and …

32.1 A 47GHz 4-way Doherty PA with 23.7dBm P1dB and 21.7% / 13.1% PAE at 6 / 12dB Back-off Supporting 2000MHz 5G NR 64-QAM OFDM

X Zhang, H Guo, T Chi - 2024 IEEE International Solid-State …, 2024 - ieeexplore.ieee.org
As mm-wave 5G continues to advance in the 28 and 38GHz bands (n257 to n261), the ever-
increasing demand for data-rates is also driving 5G expansion to higher frequencies, such …

A 3-D-printed wideband millimeter-wave fan-beam antenna with flat-top, sharp cutoff patterns, and beam-scanning capability

X Ren, D Liao, S Liao, Q Xue, K Xue… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article presents a wideband millimeter-wave (MMW) fan-beam antenna with a flat-top,
rapid cutoff radiation pattern, and beam-scanning capability through the use of 3-D printer …

A Broadband Four-Way Parallel–Series Doherty Power Amplifier for 5G Communications

E Liu, H Wang - IEEE Journal of Solid-State Circuits, 2023 - ieeexplore.ieee.org
This article presents a four-way hybrid parallel–series Doherty power amplifier (PA)
architecture that supports broadband operation and deep power back-off (PBO) efficiency …

A Millimeter-Wave Watt-Level Doherty Power Amplifier in Silicon

X Zhang, S Li, T Chi - IEEE Transactions on Microwave Theory …, 2023 - ieeexplore.ieee.org
This article presents a millimeter-wave (mmWave) power-combined Doherty power amplifier
(PA) topology. To reach watt-level output power and simultaneously enhance back-off …

Broadband InGaP/GaAs HBT Doherty power amplifier IC using direct interstage power division for compact 5G NR handset module

H Oh, J Shin, H Jeon, YY Woo, KC Hwang… - IEEE …, 2023 - ieeexplore.ieee.org
This paper presents a 2.8-3.8 GHz broadband 2-stage fully differential Doherty power
amplifier using direct interstage power division based on a 2-InGaP/GaAs HBT process for …

32.2 A 24.25-to-29.5GHz Extremely Compact Doherty Power Amplifier with Differential-Breaking Phase Offset Achieving 23.7% PAEavg for 5G Base-Station …

H Oh, S Park, J Lee, S Baek, J Jung… - … Solid-State Circuits …, 2024 - ieeexplore.ieee.org
A beamforming phased-array has become an indispensable configuration in 5 G new-radio
(NR) frequency-range-2 (FR2) cellular communications to boost an equivalent isotropic …

A Millimeter-Wave Four-Way Doherty Power Amplifier With Over-GHz Modulation Bandwidth

X Zhang, H Guo, T Chi - IEEE Journal of Solid-State Circuits, 2024 - ieeexplore.ieee.org
This article presents the design and analysis of a millimeter-wave (mmWave) four-way
Doherty power amplifier (PA), aiming to enhance the PA energy efficiency when amplifying …

32.9 An Ultra-Compact 28GHz Doherty Power Amplifier with an Asymmetrically-Coupled-Transformer Output Combiner

E Liu, H Wang - 2024 IEEE International Solid-State Circuits …, 2024 - ieeexplore.ieee.org
Mm-wave wireless communication and sensing heavily rely on phased arrays to
compensate for high path losses and meet link-budget targets. Recent mm-wave arrays …

A Chain-Weaver Balanced Power Amplifier With an Embedded Impedance/Power Sensor

M Pashaeifar, AK Kumaran… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
This article introduces an-way chain-weaver balanced power amplifier (PA) for millimeter-
wave (mm-wave) phased-array transmitters (TXs). Taking advantage of the proposed …