A review of terahertz phase modulation from free space to guided wave integrated devices

H Zeng, S Gong, L Wang, T Zhou, Y Zhang, F Lan… - …, 2022 - degruyter.com
In the past ten years, terahertz technology has developed rapidly in wireless
communications, spectroscopy, and imaging. Various functional devices have been …

An overview of state-of-the-art D-band radar system components

P Stadler, H Papurcu, T Welling, S Tejero Alfageme… - Chips, 2022 - mdpi.com
In this article, a literature study has been conducted including 398 radar circuit elements
from 311 recent publications (mostly between 2010 and 2022) that have been reported …

An eight-element 136–147 GHz wafer-scale phased-array transmitter with 32 dBm peak EIRP and> 16 Gbps 16QAM and 64QAM operation

S Li, Z Zhang, GM Rebeiz - IEEE Journal of Solid-State Circuits, 2022 - ieeexplore.ieee.org
This article presents a 140-GHz eight-element wafer-scale phased-array transmitter based
on intermediate-frequency (IF) beamforming with 5-bit phase and 4-bit gain control in the …

InFocus: A spatial coding technique to mitigate misfocus in near-field LoS beamforming

NJ Myers, RW Heath - IEEE Transactions on Wireless …, 2021 - ieeexplore.ieee.org
Phased arrays, commonly used in IEEE 802.11 ad and 5G radios, are capable of focusing
radio frequency signals in a specific direction or a spatial region. Beamforming achieves …

A 160–190-GHz vector-modulator phase shifter for low-power applications

PV Testa, C Carta, F Ellinger - IEEE Microwave and Wireless …, 2019 - ieeexplore.ieee.org
This letter presents a vector-modulator phase shifter for low-power and broadband
applications operating from 160 to 190 GHz. The component is implemented in a 130-nm …

Compact and digitally controlled D-band vector modulator for next-gen radar applications in 130 nm SiGe BiCMOS

J Wittemeier, MA Yildirim, N Pohl - IEEE Journal of Microwaves, 2023 - ieeexplore.ieee.org
Radar systems got very popular in sensing applications in the last two decades besides the
traditional military sector. Nowadays, many applications favor multiple-input multiple-output …

A 270–330 ghz vector modulator phase shifter in 130nm sige bicmos

MH Montaseri, SP Singh, M Jokinen… - 2021 16th European …, 2022 - ieeexplore.ieee.org
This paper presents a wideband vector modulator phase shifter measured at frequency
bands reaching and ever surpassing the ft of the technology for 6G beamforming for …

Continuous 360° vector modulator with passive phase generation for 140 GHz to 200 GHz G-band

P Stärke, V Rieß, C Carta… - 2019 12th German …, 2019 - ieeexplore.ieee.org
This work presents an integrated broadband vector modulator for mm-wave applications
operating between 140 GHz to 200 GHz (G-band). At 170 GHz, it achieves a continuous …

A 10‐MHz to 50‐GHz low‐jitter multiphase clock generator for high‐speed oscilloscope in 0.15‐μm GaAs technology

T Wu, X Wang, Y Chen, J Ren… - International Journal of …, 2022 - Wiley Online Library
The data acquisition system is widely used in electronic measuring instruments, for example,
the oscilloscope. The development direction of the oscilloscope reflects the research status …

A D-band phased-array chain based on a tunable branchline coupler and a digitally controlled vector modulator

J Bott, F Vogelsang, N Pohl - IEEE Journal of Microwaves, 2023 - ieeexplore.ieee.org
Wireless communication and sensing applications seek higher frequencies to enable higher
data rates or more precise localization using a wider modulation bandwidth. Particularly, 6G …