Results 11 to 20 of about 112,216 (344)

Tunable Microwave Filters Using HfO2-Based Ferroelectrics [PDF]

open access: yesNanomaterials, 2020
In this paper, we present microwave filters that are based on 6-nm-thick ferroelectric thin films of hafnium oxide doped with zirconium (HfZrO), which are tunable continuously in targeted bands of interest within the frequency range 0.1–16 GHz, when the ...
Martino Aldrigo   +4 more
doaj   +2 more sources

Application of Memristors in Microwave Passive Circuits [PDF]

open access: yesRadioengineering, 2015
The recent implementation of the fourth fundamental electric circuit element, the memristor, opened new vistas in many fields of engineering applications.
M.Potrebic, D. Tosic
doaj   +6 more sources

Tunable Multiband Microwave Photonic Filters

open access: yesPhotonics, 2017
The increasing demand for multifunctional devices, the use of cognitive wireless technology to solve the frequency resource shortage problem, as well as the capabilities and operational flexibility necessary to meet ever-changing environment result in an
Mable P. Fok, Jia Ge
doaj   +3 more sources

High Performance, Continuously Tunable Microwave Filters using MEMS Devices with Very Large, Controlled, Out-of-Plane Actuation

open access: green, 2018
Software defined radios (SDR) in the microwave X and K bands offer the promise of low cost, programmable operation with real-time frequency agility. However, the real world in which such radios operate requires them to be able to detect nanowatt signals ...
Beacken, Marc   +5 more
core   +3 more sources

Design of a compact UWB BPF with a Fractal Tree Stub Loaded Multimode Resonator

open access: yesIET Microwaves, Antennas & Propagation, 2021
This paper presents a novel technique to design an ultra‐wideband bandpass filter (UWB BPF) based on fractal tree stub loaded multimode resonators. Two different topologies are opted to verify the relationships between resonant modes of the multimode ...
Puja Kumari   +2 more
doaj   +1 more source

SNAP microwave optical filters [PDF]

open access: yesOptics Letters, 2021
If the originally flat bottom of a wide quantum well with multiple eigenstates is periodically modulated, its eigenvalues rearrange into denser groups separated by wider gaps. We show that this effect, if implemented in an elongated bottle microresonator [also called a surface nanoscale axial photonics (SNAP) microresonator] allows us to design ...
openaire   +4 more sources

Investigation of a Tunable Microwave Photonic Filter Based on an Acetylene Reference Cell

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2023
Introduction. Recently, the development of tunable microwave photonic filters has attracted great scientific and practical interest. Such microwave photonic filters are a good alternative to traditional electrical solutions, due to low losses, wide ...
I. Yu. Tatsenko   +3 more
doaj   +1 more source

Silicon integrated frequency‐tunable microwave photonic bandpass filter

open access: yesIET Optoelectronics, 2023
Microwave photonic filters have been regarded as an alternative to traditional radio‐frequency filters because of their wide bandwidth and large tunability.
Yuhan Yao   +3 more
doaj   +1 more source

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