Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

1.4K
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
1.4K
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

544
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
544
Parallel Resonance01:23

Parallel Resonance

451
The parallel RLC circuit is an arrangement where the resistor (R), inductor (L), and capacitor (C) are all connected to the same nodes and, as a result, share the same voltage across them. The parallel RLC circuit is analyzed in terms of admittance (Y), which reflects the ease with which current can flow. The admittance is given by:
451
Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

617
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
617
Design of Prismatic Beams for Bending01:23

Design of Prismatic Beams for Bending

562
The design of prismatic beams, structural elements with a uniform cross-section, focuses on ensuring safety and structural integrity under load. The design process begins by determining the allowable stress, either from material properties tables, or by dividing the material's ultimate strength by a safety factor. This safety factor is essential for accommodating uncertainties, and varies depending on the material—timber, steel, or concrete—with each having unique strength and...
562
Cascaded Op Amps01:16

Cascaded Op Amps

1.0K
Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
1.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Deep learning based two-way feature depiction model for brain tumor detection.

PloS one·2026
Same author

A Novel Optimized Hybrid Deep Learning Framework for Mental Stress Detection Using Electroencephalography.

Brain sciences·2025
Same author

Optimization of Anthralin Microemulgel Targeted Delivery for Psoriasis and Acne.

Molecules (Basel, Switzerland)·2025
Same author

Investigation of Channel Mobility Enhancement Techniques Using Si/SiGe/GeSn Materials in Orthogonally Oriented Selective Buried Triple Gate Vertical Power MOSFET: Design and Performance Analysis.

Micromachines·2025
Same author

Design and Performance Assessment of Biocompatible Capacitive Pressure Sensors with Circular and Square Geometries Using ANSYS Workbench.

Sensors (Basel, Switzerland)·2025
Same author

Deep learning-based intraoperative visual guidance model for ureter identification in laparoscopic sigmoidectomy.

Surgical endoscopy·2025

Related Experiment Video

Updated: Dec 27, 2025

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

6.5K

Design of Quad-Port Ultra-Wideband Multiple-Input-Multiple-Output Antenna with Wide Axial-Ratio Bandwidth.

Pawan Kumar1, Shabana Urooj2, Areej Malibari3,4

  • 1Department of Electrical Engineering, School of Engineering, Gautam Buddha University, Greater Noida 201312, India.

Sensors (Basel, Switzerland)
|February 26, 2020
PubMed
Summary

This study introduces a compact, quad-port ultra-wideband (UWB) multiple-input-multiple-output (MIMO) antenna achieving wide circular polarization bandwidth. The design offers excellent impedance bandwidth and high isolation between antenna elements.

Keywords:
MIMOUWBcircularly polarizedcompactconnected groundplanar

More Related Videos

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
10:35

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

12.6K
Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays
05:04

Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays

Published on: June 13, 2023

2.2K

Related Experiment Videos

Last Updated: Dec 27, 2025

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
15:25

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

6.5K
Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials
10:35

Using Microwave and Macroscopic Samples of Dielectric Solids to Study the Photonic Properties of Disordered Photonic Bandgap Materials

Published on: September 26, 2014

12.6K
Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays
05:04

Author Spotlight: Introduction to Active Probe Atomic Force Microscopy with Quattro-Parallel Cantilever Arrays

Published on: June 13, 2023

2.2K

Area of Science:

  • Electrical Engineering
  • Electromagnetics
  • Antenna Theory

Background:

  • Ultra-wideband (UWB) technology enables high data rates but requires efficient antenna designs.
  • Multiple-Input-Multiple-Output (MIMO) systems enhance wireless communication reliability and capacity.
  • Achieving wide axial ratio bandwidth (ARBW) and high inter-element isolation in compact UWB MIMO antennas remains a challenge.

Purpose of the Study:

  • To present a novel compact, planar, quad-port UWB MIMO antenna.
  • To achieve wide axial ratio bandwidth (ARBW) and wide impedance bandwidth.
  • To ensure high inter-element isolation for improved MIMO performance.

Main Methods:

  • Design and simulation of a quad-port UWB MIMO antenna using four identical square-shaped elements.
  • Incorporation of a circular slotted ground plane and a protruding hexagonal stub for circular polarization.
  • Orthogonal placement of antenna elements on an FR-4 substrate (45 × 45 × 1.6 mm³).
  • Feeding each element with a 50 Ω microstrip line.

Main Results:

  • The proposed MIMO antenna exhibits a 3-dB ARBW of 52% (3.8-6.5 GHz).
  • A wide impedance bandwidth (S11 ≤ -10 dB) of 144% (2.2-13.5 GHz) was achieved.
  • Simulated and experimental results showed good agreement, validating the design.

Conclusions:

  • The developed compact, planar, quad-port UWB MIMO antenna successfully meets the design objectives.
  • The antenna's wide ARBW and impedance bandwidth make it suitable for various UWB applications.
  • The orthogonal element placement effectively provides high inter-element isolation.