Results 61 to 70 of about 11,822 (226)
A New Technique Using Axially Slotted Microstrip Line for Antenna Impedance Matching Designs
Journal of Microwaves, Optoelectronics and Electromagnetic ApplicationsA new technique is presented for designing microstrip patch antennas with very good input impedance matching. The analysis is carried out for 1.78 GHz, 2.42 GHz and 3.46 GHz rectangular patch antennas printed on low-cost fiberglass substrates (FR-4 ...
André N. da Silva +3 more
doaj +1 more source
Simple formulas for microstrip lines
Electronics Letters, 1976 A modification to earlier work is presented which allows for finite strip thickness in the calculation of microstrip impedance and line wavelength. It shows a considerable improvement in accuracy and scope over some earlier work which included strip thickness, but remains simple in form. Expressions are presented which allow calculation of Z and λg for
R.F.G. Ross, M.J. Howes
openaire +1 more source
Low Insertion‐Loss High Power X‐Band SPDT Transmit/Receive Switches in 250 nm GaN HEMT
Microwave and Optical Technology Letters, Volume 68, Issue 6, June 2026.ABSTRACT We present three X‐band transmit/receive (T/R) switches utilizing single‐pole double‐throw (SPDT) structures in 250 nm GaN HEMT technology. The first T/R switch was designed to achieve low insertion loss by constructing the SPDT structure with a series λ/4 transmission line (T‐line) and meticulously selected two HEMT switches in parallel for ...
Tae‐Hoon Kim +3 more
wiley +1 more source
Calculation of inhomogeneous microstrip lines
Electronics Letters, 1977 The frequency-dependent transmission properties of in-homogeneous microstrip lines are calculated by means of a waveguide model and the generalised telegraphist's equations. Examples of theoretical and experimental results are presented.
openaire +1 more source
Delay-line stabilized microwave oscillator with frequency control
, 1997 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.The technique whereby the frequency of an oscillator is stabilized using an external feedback network incorporating a delay-line is extended in this thesis ...
Free, Charles Edward
core
Loss Compensation and Coherent Virtual Absorption via Virtual Complex Frequency Wave Excitation
Nanophotonics, Volume 15, Issue 9, 13 May 2026.By establishing a mathematical bridge between real and complex frequencies, we present a general method for complex frequency wave excitation to obtain all electromagnetic responses at complex frequencies. Using properties of complex frequency waves, we compensate for the propagating loss of point sources and surface plasmon polaritons.
Sheng Zhang, Zhi Hong Hang
wiley +1 more source
SensorsIn areas where there is high humidity and freezing rain, there is a tendency of blade icing on wind turbines. It results in energy dissipation and mechanical abrasion and also creates a safety concern due to the risk of having falling ice.
Min Meng +4 more
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Novel slow-wave ladder microstrip line filters
, 1996 We report an investigation of novel slow-wave ladder microstrip line bandpass filters. The investigation has shown that the ladder microstrip line filters can be designed based on the knowledge of the conventional microstrip coupled line filters. The new
Hong, J.-S. +3 more
core +1 more source
Spoof Surface Plasmon Polaritons in Terahertz Integrated Circuits
Advanced Photonics Research, Volume 7, Issue 5, May 2026.Terahertz integrated circuits (THz ICs) face challenges from wavelength‐scale dimensions and parasitic effects. Spoof surface plasmon polaritons (SSPPs) provide strong confinement and enhanced near fields, enabling novel transmission and modulation mechanisms.
Xuanru Zhang, Ze Kai Wang, Tie Jun Cui
wiley +1 more source