Results 21 to 30 of about 777,156 (336)

Continuous Resonance Tuning without Blindness by Applying Nonlinear Properties of PIN Diodes

open access: yesSensors, 2021
Metamaterial antennas consisting of periodical units are suitable for achieving tunable properties by employing active elements to each unit. However, for compact metamaterials with a very limited number of periodical units, resonance blindness exists ...
Yong Luo   +4 more
doaj   +1 more source

Design and Development of Frequency Agile Reflectarray Antenna

open access: yesJournal of High-Frequency Communication Technologies, 2023
This paper presents the design of a frequency reconfigurable reflectarray with concentric circular rings. The PIN diode connected between a phase delay line and the ring produces reconfigured resonances at 16 GHz and 10.4 GHz.
Kavitha Narayanasamy   +3 more
doaj   +1 more source

Characterization and Performance Evaluation of PIN Diodes and Scope of Flexible Polymer Composites for Wearable Electronics

open access: yesInternational Journal of Polymer Science, 2022
Different semiconductor materials have been used for the fabrication of PIN diodes such as Si, Ge, GaAs, SiC-3C, SiC-4H, and InAs. These different semiconductor materials show different characteristics and advantages such as SiC-4H is ultrafast switch ...
Sonia Sharma   +5 more
doaj   +1 more source

4H-SiC Double-Trench MOSFET with Side Wall Heterojunction Diode for Enhanced Reverse Recovery Performance

open access: yesEnergies, 2020
In this study, a novel 4H-SiC double-trench metal-oxide semiconductor field-effect transistor (MOSFET) with a side wall heterojunction diode is proposed and investigated by conducting numerical technology computer-aided design simulations.
Junghun Kim, Kwangsoo Kim
doaj   +1 more source

Caracterização numérica do efeito do diodo PIN em superfícies seletivas em frequência reconfiguráveis utilizando o Método Iterativo das Ondas

open access: yesRevista Principia, 2019
Numerical characterization is an important design step, since it minimizes the construction of prototypes and optimizes results. The choice of the technique to be used is an aspect of fundamental importance.
Alfredo Gomes Neto   +1 more
doaj   +1 more source

A Compact Frequency Reconfigurable Antenna for LTE Mobile Handset Applications

open access: yesInternational Journal of Antennas and Propagation, 2015
A compact (8 × 62 × 5 mm3; 2.48 cc) frequency reconfigurable antenna that uses electrical switching with PIN diodes is proposed for the low frequency LTE band (699 MHz–862 MHz), high frequency LTE band (2496 MHz–2690 MHz), GSM850/900 bands (824 MHz–960 ...
Munyong Choi   +5 more
doaj   +1 more source

A Reconfigurable Frequency Selective Surface for Wi-Fi Application [PDF]

open access: yesJournal of Microwaves, Optoelectronics and Electromagnetic Applications, 2023
This work presents the development of a reconfigurable frequency selective surface (RFSS) for application in the 2400-2483.5 MHz band, standard IEEE 802.11b/g/n (Wi-Fi).
Thamyris da Silva Evangelista   +4 more
doaj   +1 more source

Iron loss evaluation of magnetic materials excited by a SiC inverter with a Schottky barrier diode wall-integrated trench MOSFET

open access: yesAIP Advances, 2020
This study examines the impact of the different diode characteristics on the magnetic hysteretic and iron loss properties of a conventional non-oriented (NO) silicon steel sheet core under silicon carbide (SiC) inverter excitation.
Atsushi Yao   +5 more
doaj   +1 more source

The Linear Fitting Method for Model of PIN Array Receiver in Space Optical Communication

open access: yesInternational Journal of Optics, 2022
We have proposed PIN array as receiver in space optical communication and adopted the double diode model, the widely accepted solar energy output theory, to study its characteristics of output current and voltage.
H. Qinggui
doaj   +1 more source

Doping-Less SiC p-i-n Diode: Design and Investigation

open access: yesIEEE Access, 2021
We introduce a novel high-voltage SiC p-i-n diode considering a charge plasma approach. This technique facilitates the formation of the anode and the cathode regions within the silicon carbide without requiring any impurity doping by taking advantage of ...
Sara Hahmady, Stephen Bayne
doaj   +1 more source

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