Continuous true-time delay phase shifter using distributed inductive and capacitive Miller effect
W Lee, A Valdes-Garcia - IEEE Transactions on Microwave …, 2019 - ieeexplore.ieee.org
A new true-time delay phase shifter concept is proposed exploiting the distributed Miller
effect in coupled transmission lines. Simultaneous change in Miller capacitance and …
effect in coupled transmission lines. Simultaneous change in Miller capacitance and …
Improved RF devices for future adaptive wireless systems using two-sided contacting and AlN cooling
LK Nanver, H Schellevis, TLM Scholtes… - IEEE journal of solid …, 2009 - ieeexplore.ieee.org
This paper reviews special RF/microwave silicon device implementations in a process that
allows two-sided contacting of the devices: the back-wafer contacted Silicon-On-Glass …
allows two-sided contacting of the devices: the back-wafer contacted Silicon-On-Glass …
Microwave tunable notch filter based on liquid crystal using spiral spurline technology
J Torrecilla, E Avila‐Navarro, C Marcos… - Microwave and …, 2013 - Wiley Online Library
In this article, the design, fabrication, and characterization of a tunable microwave notch filter
based on liquid crystal (LC) using inverted‐microstrip technology is presented. A spiral …
based on liquid crystal (LC) using inverted‐microstrip technology is presented. A spiral …
Investigations on liquid crystal reconfigurable unit cells for mm-wave reflectarrays
R Marin - 2009 - tuprints.ulb.tu-darmstadt.de
In order to meet the increasing need for cost effective antennas with pattern reconfiguration
capabilities (beam steering, beam shaping), a novel approach has been investigated in this …
capabilities (beam steering, beam shaping), a novel approach has been investigated in this …
Design Considerations for Wideband Hybrid Large-Scale Antenna Array and Implementation of a 5–23-GHz CMOS True-Time-Delay Circuit
P Yu, D Zhao - IEEE Transactions on Circuits and Systems II …, 2023 - ieeexplore.ieee.org
This brief presents design considerations for hybrid large-scale antenna arrays steered by
both phase shifting and true-time delay (TTD) circuits. A 5–23-GHz TTD circuit with trombone …
both phase shifting and true-time delay (TTD) circuits. A 5–23-GHz TTD circuit with trombone …
A liquid-crystal-based dual-band reconfigurable microstrip antenna for Ka-band
LZ Wang, XH Wang, XX Chi… - … Conference on Microwave …, 2021 - ieeexplore.ieee.org
A reconfigurable microstrip antenna with continuously adjustable frequency based on liquid
crystal is proposed in this paper. The liquid crystal is placed below the patch. Based on the …
crystal is proposed in this paper. The liquid crystal is placed below the patch. Based on the …
On the compression and blocking distortion of semiconductor-based varactors
C Huang, K Buisman, PJ Zampardi… - IEEE transactions on …, 2012 - ieeexplore.ieee.org
The effective capacitance of variable reactors (varactors) can be modulated by the
magnitude of applied RF signals, resulting in troublesome detuning issues in resonators …
magnitude of applied RF signals, resulting in troublesome detuning issues in resonators …
An RF beamforming architecture for UWB continuous time-delay control
CS Merola, MN Vouvakis - 2019 IEEE International Symposium …, 2019 - ieeexplore.ieee.org
An RF beamforming architecture is proposed that provides ultra-wideband continuous true-
time delay (TTD) for timed array beam-steering. The architecture relies on a unique Rotman …
time delay (TTD) for timed array beam-steering. The architecture relies on a unique Rotman …
Liquid crystal reconfigurable circularly polarized patch antenna
Traditional patch antennas are light-weight and easy to manufacture, but suffer from narrow
operational bandwidth. The topic considered here is the design and development of a …
operational bandwidth. The topic considered here is the design and development of a …
SERIES APERTURE COUPLED FED PHASED ARRAY ANTENNA
G Yang - 2023 - scholar.smu.edu
Phased arrays are employed in a wide range of civil and Military contexts, including RADAR,
cellular communications, and satellite communications. However, modern phased-array …
cellular communications, and satellite communications. However, modern phased-array …