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The Effect of Electrical Impedance Matching on the Electromechanical Characteristics of Sandwiched Piezoelectric Ultrasonic Transducers [PDF]
Sensors, 2017 For achieving the power maximum transmission, the electrical impedance matching (EIM) for piezoelectric ultrasonic transducers is highly required.
Yuan Yang +3 more
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Matching Network Design for Ultrasonic Guided Wave Interdigital Transducers [PDF]
SensorsUltrasonic guided wave interdigital transducers realized with piezoelectric materials are of interest for structural health monitoring systems because of their capability of performing Lamb wave mode selection with respect to single-element transducers ...
Lorenzo Capineri
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Advances in Crosstalk Reduction Techniques for Ultrasonic Transducer Arrays [PDF]
SensorsCrosstalk between elements in ultrasonic transducer arrays significantly degrades image quality in medical ultrasound systems by introducing noise and reducing spatial resolution.
Anouar Boujenoui +4 more
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Design Theory of Equal Split Dual- Band Power Divider without Reactive Elements
Advanced Electromagnetics, 2022 In this paper, a design approach for getting dual-band working in a Wilkinson-based power divider (WPD) without adding any reactive elements or open- or short-circuited stubs is presented.
Natarajamani S, Rekha G. Nair
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Sensors, 2023 Improving the operational efficiency and optimizing the design of sound navigation and ranging (sonar) systems require accurate electrical equivalent models within the operating frequency range.
Jejin Jang +3 more
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Antenna Design for Semi-Passive UHF RFID Transponder with Energy Harvester [PDF]
, 2015 A novel microstrip antenna which is dedicated to UHF semi-passive RFID transponders with an energy harvester is presented in this paper. The antenna structure designed and simulated by using Mentor Graphics HyperLynx 3D EM software is described in ...
Jankowski-Mihulowicz, P. +2 more
core +7 more sources
Compact Load Network Having a Controlled Electrical Length for Doherty Power Amplifier
IEEE Access, 2022 The load network of the carrier amplifier for the conventional Doherty power amplifier (DPA) consists of an impedance matching circuit, an offset line, and a $\lambda $ /4 transmission line (TL), so that the overall electrical length of the network can ...
Kuhyeon Kwon +12 more
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GHz operation of a quantum point contact using stub-impedance matching circuit
Physics Open, 2023 Quantum point contacts (QPC) are the building blocks of quantum dot qubits and semiconducting quantum electrical metrology circuits. QPCs also make highly sensitive electrical amplifiers with the potential to operate in the quantum-limited regime. Though
Anusha Shanmugam +5 more
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Modeling and impedance matching for radio frequency driven plasma lamp considering cold and hot states. [PDF]
PLoS ONE, 2018 A new dual-state impedance matching scheme for a microwave driven plasma lamp using a solid-state power amplifier (SSPA) is presented. The impedance of the plasma lamp depends on the amount of input radio frequency (RF) energy, and therefore has very ...
Wonshil Kang, Hyunchul Ku
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IEEE Access, 2022 Piezoelectric transducer is a key component of acoustic well-logging tool. Transducers used in acoustic well-logging tools usually have limited bandwidth, and their dominant frequencies severely drift with drastic change of borehole temperature when ...
Yongchao Yao +3 more
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