A 60-GHz low-power active phase shifter with impedance-invariant vector modulation in 65-nm CMOS

GH Park, CW Byeon, CS Park - IEEE Transactions on …, 2020‏ - ieeexplore.ieee.org
This study presents the design and analysis of a 60-GHz low-power active vector-sum phase
shifter with 5-bit phase resolution. An impedance-invariant variable gain amplifier (VGA) is …

A 20–42-GHz IQ receiver in 22-nm CMOS FD-SOI with 2.7–4.2-dB NF and− 25-dBm IP1dB for wideband 5G systems

L Gao, GM Rebeiz - IEEE Transactions on Microwave Theory …, 2021‏ - ieeexplore.ieee.org
This article presents a 20–42-GHz in-phase and quadrature (IQ) receiver in 22-nm CMOS
fully depleted silicon on insulator (FD-SOI). The receiver includes a wideband low noise …

A 60-GHz variable-gain phase shifter with an active RL poly-phase filter

C So, ET Sung, S Hong - IEEE Transactions on Microwave …, 2022‏ - ieeexplore.ieee.org
A 60-GHz variable-gain phase shifter consisting of an active I/Q generator and Gilbert-cell-
based summing amplifier fabricated in a 65-nm bulk CMOS process is presented here. The …

A 60-GHz variable gain phase shifter based on body floated RF-DAC structure

C So, ET Sung, S Hong - … on Circuits and Systems II: Express …, 2022‏ - ieeexplore.ieee.org
In this brief, a 60 GHz variable gain phase shifter based on body floated RF-DAC structure is
presented, which is fabricated in 65 nm bulk CMOS process. The proposed variable gain …

A compact digitally-assisted merged LNA vector modulator using coupled resonators for integrated beamforming transceivers

R Singh, S Mondal, J Paramesh - IEEE Transactions on …, 2019‏ - ieeexplore.ieee.org
This paper presents a compact differential quadrature generation scheme using transformer
coupled resonators for use in scalable fifth-generation (5G) phased-array architectures. A …

A mixed-mode beamforming radar transmitter MMIC utilizing novel ultrawideband IQ-generation techniques in SiGe BiCMOS

B Welp, A Meusling, K Aufinger… - IEEE Transactions on …, 2018‏ - ieeexplore.ieee.org
Wireless systems like radar and communication systems evolved progressively into
multichannel systems over the past years. The most common multichannel concepts are …

A 2.4-GHz Full-Duplex Transceiver With Broadband, Linearity-Enhanced, and Long-Delay Spread Self-Interference Cancellation

X Li, YH Huang, F Yin, JC Rudell - IEEE Journal of Solid-State …, 2023‏ - ieeexplore.ieee.org
A 2.4-GHz full-duplex (FD) transceiver, which employs multiple self-interference (SI)
cancellation techniques, is presented for future wideband wireless communication. The …

A Wideband CMOS Active Phase Shifter Using a Transformer-Based RL Polyphase Filter

T Xu, K Long, H Zhu, C Wan, S Deng… - IEEE Microwave and …, 2024‏ - ieeexplore.ieee.org
A millimeter-wave CMOS active vector-sum phase shifter (VSPS) with a phase resolution of
5.625° using a two-stage transformer-based resistor and inductor (RL) polyphase filter (PPF) …

Enhancing Continuous Beam Angle Resolution for Next Generation Wireless Systems: A Multi-Stage Phase-Shifting Polyphase Filters Approach

A Slater, H Abbasi, S Poolakkal… - … on Circuits and …, 2024‏ - ieeexplore.ieee.org
Increasing user density and capacity in next-generation systems presents a need for fine
beam angle resolution especially in the emerging upper mid-band GHz frequency regime …

A 28 GHz RF-DAC with analog LO leakage cancellation

J Yoo, S Hong - IEEE Transactions on Circuits and Systems II …, 2022‏ - ieeexplore.ieee.org
A 28-GHz bit quadrature RF-DAC is presented, which has an analog LO leakage
cancellation circuit. It is based on a double-balanced Gilbert cell structure where current …