Results 31 to 40 of about 646,753 (143)

Optimisation‐based design of transversal signal‐interference microwave bandpass and lowpass filters with extended stopband

open access: yesIET Microwaves, Antennas & Propagation, 2021
Generalised bi‐path stepped‐impedance‐line signal‐interference bandpass and lowpass transversal filtering sections (TFSs) with increased stopband bandwidth above the main transmission band are presented.
Roberto Gómez‐García   +2 more
doaj   +1 more source

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   +1 more source

Tungsten doped Bi1.5Zn0.92Nb1.5O6.92 ceramics designed as radio/microwave band pass/reject filters

open access: yes, 2021
Herein, radiowave/microwave bandpass/reject filters are fabricated from the tungsten doped Bi1.5Zn0.92Nb1.5-6x/5WxO6.92 (W-BZN) pyrochlore ceramics.

core   +1 more source

Novel compact waveguide filtering twist for computer numerical control machining

open access: yesElectronics Letters, 2023
In this letter, the authors present a novel compact waveguide filtering twist that can be readily fabricated from metal using the computer numerical control (CNC) machining process.
Yi Zhang   +5 more
doaj   +1 more source

Microwave electronically tunable filters [PDF]

open access: yes, 1981
Design procedures are presented for varactor tuned microwave bandpass and bandstop filters constructed in Microwave Integrated Circuit form. The tunable bandpass filters were based on a combline filter incorporating novel input and output coupling ...
Hunter, Ian Charles
core   +5 more sources

Reconfiguring the frequency response of dispersive-channel radio over fiber systems by using fiber photonic filters: application to transmission of multiplexed microwave subcarriers [PDF]

open access: yes, 2012
Radio over fiber schemes using multimode lasers and dispersive optical channel show a periodic band-pass microwave frequency response. Such a response can be used for implementing photonic microwave filters or for multiplexing modulated microwave ...
CELSO GUTIERREZ MARTINEZ   +5 more
core  

3D Printed, Self-Temperature Compensated Microwave Cavity Notch Filters

open access: yesIEEE Access, 2021
Utilizing 3D printing to create custom microwave filters has promising aspects such as light weight and low cost, most importantly including the fact that complicated structures can be printed quickly and inexpensively.
Gregory Peter Le Sage, Ray Stringfellow
doaj   +1 more source

Tunable metamaterial bandstop filter based on ferromagnetic resonance

open access: yesAIP Advances, 2015
Tunable wideband microwave bandstop filters have been investigated by experiments and simulations. The negative permeability is realized around the ferromagnetic resonance frequency which can be influenced by the demagnetization factor of the ferrite ...
Qingmin Wang   +3 more
doaj   +1 more source

Design of thick film microstrip lowpass filters [PDF]

open access: yes, 2003
This paper presents the CAD of RF and microwave filters such as shielded single layer thick film lowpass filters for wireless communication systems.
Budimir, D.   +3 more
core   +1 more source

Thermal Frequency Drift of 3D Printed Microwave Components

open access: yesMetals, 2020
Fabrication of microwave slot array antennas and waveguide bandpass and notch filters using 3D printing has significant advantages in terms of speed and cost even for parts with high mechanical complexity.
Gregory Peter Le Sage
doaj   +1 more source

Home - About - Disclaimer - Privacy