Results 81 to 90 of about 4,146 (226)
Heterostructure Barrier Varactor Multipliers
, 1998 We describe the Heterostructure Barrier Varactor (HBV) diode and its application in frequency multipliers. Different varactor models are presented that easily can be used in large signal simulations.
Stake, Jan, +2 more
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四川大学学报. 自然科学版, 2017 The surface-wave waveguide, based on the high impedance surface, is widely used to transform the surface-wave energy or to guide surface-waves along a constrained path. However, there still remain two issues for almost surface-wave waveguides. First, the
Zhou Yong-Hong +4 more
doaj
Varactor-Based Continuously Tunable Microstrip Bandpass Filters: A Review, Issues and Future Trends
IEEE AccessElectronically tuned bandpass filters are crucial frequency-selective devices in tunable RF front-ends and are extensively utilized in the fields of communications and sensing.
Mengjie Qin +6 more
doaj +1 more source
Electronics Letters, 2001 A new varactor model based on the BSIM3v3 model (Berkeley short-channel IGFET model) is presented for the first time to model the behaviour of a silicon-based metal-insulator semiconductor varactor under different bias conditions and operating frequencies.
C.Y. Su +5 more
openaire +1 more source
Parametric Amplification/Mixing Using the Varactor Diode
Active and Passive Electronic Components, 1996 This paper deals with the large-signal analysis of parametric amplification/mixing using reverse biased p-n junction varactor diodes. Expressions are obtained for the current components of the parametric amplification/mixing.
Muhammad Taher Abuelma'atti
doaj +1 more source
, 2007 The influences of Casimir and van der Waals forces on the nano-electromechanical systems (NEMS) electrostatic torsional varactor are studied. A one degree of freedom, the torsional angle, is adopted, and the bifurcation behaviour of the NEMS torsional ...
林文惠, 赵亚溥
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A Reconfigurable MIMO/UWB MIMO Antenna for Cognitive Radio Applications
IEEE Access, 2019 A novel multi-mode frequency reconfigurable MIMO and an ultrawideband (UWB) MIMO antenna design for cognitive radio applications is proposed in this paper.
Xiongwen Zhao +2 more
doaj +1 more source
Electronically Reconfigurable Varactor-Loaded HMSIW Bandpass Filter
, 2018 A varactor-loaded half-mode substrate integrated waveguide (HMSIW) reconfigurable bandpass filter (BPF) is proposed in this paper. The proposed BPF is composed of complementary split-ring resonators (CSRRs) and varactors. Meanwhile, a nonmetalized via is
Jing-Pan Song +3 more
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Tunable bandstop filters using BST varactor chips
, 2007 Ferroelectric Barium-Strontium-Titanate (BST) film varactor chips are fabricated and applied to the design of electronically tunable bandstop filters (BSFs) based on stepped impedance line resonator (SIR).
Hong, Jia +13 more
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Planar Inverted-F Antennas (PIFA) for multiband wireless applications
, 2010 This is a post-print version of the article - Copyright @ 2010 IEEEA compact reconfigurable four bands Planar Inverted-F Antenna (PIFA) is presented for Digital Video Broadcasting – Handheld (DVB-H), Universal Mobile Telecommunications System (UMTS ...
AbuTarboush, HF, Nilavalan, R, Peter, T
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