Results 11 to 20 of about 11,879 (282)
Integration of sol-gel frequency agile materials for tunable RF devices [PDF]
, 2012 This thesis focuses on the use of high permittivity tunable dielectrics and more specifically sol-gel ferroelectric thin films for low cost, high performance tunable devices such as varactors and filters at RF and microwave frequencies.
Fragkiadakis, Charalampos
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Travelling-Wave Modeling of Dynamics of Ultrafast Reflective-Intracavity-Filter Tunable Fabry-Pérot Lasers for Optical Coherent Tomography [PDF]
, 2011 The dynamics of Fabry-Pérot external-cavity laser diodes frequency-swept at a high rate using a tunable intracavity filter are investigated by travelling-wave modelling. The effect of broad and narrow bandwidth filter properties and linewidth enhancement
Zhang, Lixiong
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Concept for Continuously Tunable Output Filters for Digital Transmitter Architectures
IEEE Access, 2019 This paper presents a novel output filter approach for continuously frequency-tunable digital power amplifiers, suitable for future seamless and band-less applications in 5G, e.g. for cognitive radios (CR). The presented tunable output filter is based on
Christian Schuster +8 more
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A Current Mode Design of Fractional Order Universal Filter
Advances in Electrical and Computer Engineering, 2019 In this paper, low-voltage active elements based a general filter topology, which provides fractional order low-pass, high-pass, band-pass and band-reject filter responses at the same circuit, is introduced.
SACU, I. E., ALCI, M.
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IEEE Access, 2019 This paper is dedicated to the study of the tunable electromagnetic properties of HfO2 doped with Zr (further referred to as HfZrO) grown on high-resistivity silicon using atomic layer deposition (ALD) techniques. Two metallic coplanar lines patterned on
M. Aldrigo +6 more
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Advanced Science, 2020 A remarkable feature of modern electronic and photonic devices is the ability to maintain their geometric and physical properties in various circumstances for practical applications.
Xiaoqing Cai, Zhitao Zhou, Tiger H. Tao
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Anisotropic impedance surfaces activated by incident waveform
Nanophotonics, 2022 Anisotropic impedance surfaces have been used to control surface wave propagation, which has benefited applications across a variety of fields including radio-frequency (RF) and optical devices, sensing, electromagnetic compatibility, wireless power ...
Homma Haruki +5 more
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Ultra-broad bandgap metal-insulator-metal waveguide filter with symmetrical stubs and defects
Results in Physics, 2020 An ultra-broad bandgap plasmonic based filter that consists of a metal-insulator-metal waveguide with symmetrical stubs and defects is designed and investigated for the first time.
Yuan-Fong Chou Chau +2 more
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Modeling of Wireless Sensor Nodes Powered by Tunable Energy Harvesters: HDL-Based Approach [PDF]
, 2012 This paper presents a hardware description language (HDL) approach to modeling a complete wireless sensor node system powered by a tunable vibration energy harvester including both energy generation and consumption.
Merrett, Geoff V. +5 more
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Multifunctional current-mode filter with dual-parameter control of the pole frequency
Advances in Electrical and Computer Engineering, 2016 This paper presents a multifunctional current-mode filter with dual-parameter control of the pole frequency. The filter is of the second order, of single-input triple-output (SITO) type and a required type of the response (low pass, inverting band pass,
JERABEK, J. +4 more
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