Results 21 to 30 of about 9,744 (208)
IEEE Access, 2018 A dual-layer active reflectarray configuration is proposed for broad-band beam-steering and/or frequency-tunable applications. A unit cell composed by two stacked fixed-size rectangular patches, properly loaded with a single varactor diode, is designed ...
Sandra Costanzo +3 more
doaj +1 more source
Reconfigurable Filtenna using Varactor Diode for Wireless Applications
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2021 This paper presents a compact and planar reconfigurable filtenna for application in Wireless systems. The filtenna is composed of a UWB circular antenna and a filter with two trapezoidal resonators.
J. A. I. Araujo +7 more
doaj +1 more source
Design of a tunable multi-band differential LC VCO using 0.35 mu m SiGe BiCMOS technology for multi-standard wireless communication systems [PDF]
, 2009 In this paper, an integrated 2.2-5.7GHz multi-band differential LC VCO for multi-standard wireless communication systems was designed utilizing 0.35 mu m SiGe BiCMOS technology. The topology, which combines the switching inductors and capacitors together
Bakkaloglu, Ahmet Kemal +8 more
core +1 more source
Design of a 4.2-5.4 GHz differential LC VCO using 0.35 mu m SiGeBiCMOS technology for IEEE 802.11a applications [PDF]
, 2007 In this paper, a 4.2-5.4 GHz, -Gm LC voltage controlled oscillator (VCO) for IEEE 802.11a standard is presented. The circuit is designed with AMS 0.35 mu m SiGe BiCMOS process that includes high-speed SiGe Heterojunction Bipolar Transistors (HBTs ...
Bozkurt, Ayhan +3 more
core +1 more source
Frequency multipliers on semiconductor diode structures
Tekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2018 Obvious advantages of the millimeter wave technology including a large information capacity, high directivity of radiation, diagnostics and spectroscopy capabilities of different environments, including the methods of electron paramagnetic resonance and ...
M. F. Karushkin
doaj +1 more source
Observation of modulation instability in a nonlinear magnetoinductive waveguide [PDF]
, 2013 We report numerical and experimental investigations into modulation instability in a nonlinear magnetoinductive waveguide. By numerical simulation we find that modulation instability occurs in an electrical circuit model of a magnetoinductive waveguide ...
Kitano, Masao +2 more
core +2 more sources
Series vs Parallel Reflection-Type Phase Shifters
IEEE Access, 2020 A performance comparison between series and parallel resonant circuits in the Reflection-Type Phase Shifter (RTPS) configuration is presented in this article.
Vitaly Kirillov +2 more
doaj +1 more source
Linear frequency tuning in an LC-resonant system using a C–V response controllable MEMS varactor
Micro and Nano Systems Letters, 2017 This paper proposes a device level solution to achieve linear frequency tuning with respect to a tuning voltage (V tune ) sweep in an inductor (L)–capacitor (C) resonant system. Since the linearity of the resonant frequency vs.
Chang-Hoon Han +4 more
doaj +1 more source
Dual-Layer Beamscanning Reflectarray Antenna Operating at Ku-Band
Journal of High-Frequency Communication Technologies, 2023 This paper presents a beam scanning electronically reconfigurable reflectarray configuration for Ku-band applications using a single varactor diode. A 15×15 center-fed reconfigurable reflectarray antenna is designed consisting of 225 octagonal shaped ...
Vidhyashree Suresh +2 more
doaj +1 more source
Nonlocal homogenization for nonlinear metamaterials [PDF]
, 2016 We present a consistent theoretical approach for calculating effective nonlinear susceptibilities of metamaterials taking into account both frequency and spatial dispersion.
Belov, Pavel A. +4 more
core +2 more sources