Results 71 to 80 of about 9,979 (227)
LOW PASS AND QUAD BAND PASS TUNABLE FILTER BASED ON STUB RESONATOR TECHNIQUE [PDF]
Jordanian Journal of Computers and Information Technology, 2019 An electronically tunable multi-passband filter using one varactor diode is implemented based on transmission line stub method for passing several most favourable applications through multiple operating bands.
Yanal S. Faouri +3 more
doaj +1 more source
, 2018 This letter presents the experimental demonstration of a film bulk acoustic resonator (FBAR) circulator at 2.5 GHz. The circulator is based on spatio-temporal modulation of the series resonant frequency of FBARs using varactors and exhibits a large ...
Bhave, Sunil A. +4 more
core +1 more source
Configurable microwave structures for software defined (and cognitive) radio front ends [PDF]
, 2010 Both Software Defined Radio and Cognitive Radio require a flexible transceiver front end. This paper introduces solutions to two important features of such a device; the antenna and the filter.
Hilton, GS, Warr, PA
core +3 more sources
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Hafnium oxide (HfO2) nanoparticles (NPs), derived from a rare‐metal element, have gained increasing attention as a versatile class of functional nanostructures with unique optical, dielectric, and surface properties that enable diverse biomedical applications. As a representative rare‐metal oxide, HfO2 NPs with well‐defined architectures offer
Mothana Hussein Tarawneh +8 more
wiley +1 more source
Simulation and Fabrication of Broadband Tunable Phase Shifter Based on Transmission Line Metamaterial [PDF]
Radioengineering, 2019 This paper presents a kind of broadband, low-loss tunable phase shifter based on transmission line metamaterial. An inherent high-pass backward-wave response property of a left-handed metamaterial based on coplanar waveguide (CPW) transmission line was ...
S. Sheng, H. X. Chen, J. Wen, H. R. Liu
doaj
A new resonant circuit for 2.45 GHz LC VCO with linear frequency tuning [PDF]
, 2011 A new MOS varactor bank is proposed to implement a 2.45 GHz SiGe BiCMOS LC-tank voltage controlled oscillator (VCO) with linear frequency tuning. Compared to a conventional VCO, the proposed technique improves the quality factor of the LC-tank while ...
Dinc, Tolga +6 more
core
Engineering Science and Technology, an International Journal, 2019 In this work a wide-bandwidth low-power voltage-controlled oscillator (VCO) design is presented using a new differential delay cell with complementary current control mechanism and inversion mode MOSFET (IMOS) varactor.
Vivek Jangra, Manoj Kumar
doaj +1 more source
IET Microwaves, Antennas & Propagation, 2021 Herein, a dual‐band bandpass filter with bandwidth tuning and constant bandwidth centre frequency tuning is presented, where the first and second bands are, respectively, of two and three modes.
Shriman Narayana +2 more
doaj +1 more source
A reconfigurable CPW antenna for GPS, GSM and WLAN applications [PDF]
, 2010 Copyright @ 2011 IEEEMultiband reconfigurable antennas are receiving increasing importance in modern wireless communication systems supporting multiservice applications.
AbuTarboush, HF +4 more
core
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