Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Parallel Resonance

Parallel Resonance

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:

Mesh Analysis for AC Circuits

Mesh Analysis for AC Circuits

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...

Active Filters

Active Filters

Active filters are electronic circuits that use operational amplifiers (op-amps), resistors, and capacitors to filter out unwanted frequency components from a signal. A first-order low-pass active filter is designed to pass signals with a frequency lower than a certain cutoff frequency and attenuate frequencies higher than that cutoff frequency. The transfer function for a first-order low-pass active filter is:

Passive Filters

Passive Filters

Passive filters are utilized to shape the frequency spectrum of signals across a diverse array of applications. These filters, using only passive elements like resistors (R), inductors (L), and capacitors (C), are capable of selectively allowing or blocking certain frequency ranges without the need for external power sources.
Low-Pass Filters
Low-pass filters are designed to transmit signals with frequencies lower than the cutoff frequency, ωc, and attenuate those above it. The cutoff...

Characteristics of Series Resonant Circuit

Characteristics of Series Resonant Circuit

Series resonance occurs in a circuit containing inductive (L), capacitive (C), and resistive (R) elements connected sequentially. At the resonance frequency, the inductive and capacitive reactances are equal in magnitude but opposite in sign, effectively canceling each other. This causes the circuit's impedance is minimal, primarily determined by the resistance R. The resonant frequency of an RLC circuit is defined as:

Clipper Circuit

Clipper Circuit

A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...

You might also read

Related Articles

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

Sort by

Same author

Phase Control Mechanisms in Metasurfaces: From Static Approaches to Active and Space-Time Modulation.

Sensors (Basel, Switzerland)·2026

Same author

A Hexa-Band Metamaterial Absorber for S, C, X, and Ku Band Applications.

Sensors (Basel, Switzerland)·2026

Same author

Design and Analysis of a Dual-Band Implantable Receiving Antenna for Wireless Power Transfer and Data Communication at 1.32 GHz and 2.58 GHz.

Sensors (Basel, Switzerland)·2025

Same author

Characteristics of Low-Frequency Metasurface Microwave Absorption Filter with Composite Molding and Size Dependency.

Materials (Basel, Switzerland)·2025

Same author

Single-Layer Metasurface-Based Reflectarray Antenna with H-Shaped Slotted Patch for X-Band Communication.

Nanomaterials (Basel, Switzerland)·2024

Same author

Design, optimization, and comparative analysis of wide-band polarization conversion along with dual coding sequences for RCS reduction.

Scientific reports·2024

Search research articles

Related Experiment Video

Updated: Mar 18, 2026

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

Compact filtering monopole patch antenna with dual-band rejection.

Sun-Woong Kim¹, Dong-You Choi¹

¹Department of Information and Communication Engineering, Chosun University, Gwangju, Republic of Korea.

|July 8, 2016

Summary

This study presents a compact ultra-wideband (UWB) antenna that effectively rejects WiMAX and WLAN frequencies. The novel design ensures broad bandwidth for UWB systems while filtering unwanted signals.

Keywords:

Dual-band rejection Monopole patch antenna UWB WLAN WiMAX

More Related Videos

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Related Experiment Videos

Last Updated: Mar 18, 2026

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters

Published on: February 4, 2018

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Simulation, Fabrication and Characterization of THz Metamaterial Absorbers

Published on: December 27, 2012

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Colloidal Synthesis of Nanopatch Antennas for Applications in Plasmonics and Nanophotonics

Published on: May 28, 2016

Area of Science:

Electrical Engineering
Electromagnetics
Antenna Theory

Background:

Ultra-wideband (UWB) communication systems require antennas with extensive bandwidth.
Interference from specific frequency bands like Worldwide Interoperability for Microwave Access (WiMAX) and Wireless Local Area Network (WLAN) can degrade UWB performance.
Existing antenna designs may lack the necessary filtering capabilities for these specific interference bands.

Purpose of the Study:

To propose a compact ultra-wideband patch antenna.
To incorporate dual-band rejection for WiMAX and WLAN frequencies.
To achieve a wide impedance bandwidth suitable for UWB applications.

Main Methods:

Design of a compact elliptical patch antenna incorporating a C-shaped slit.
Integration of a pair of quarter-wavelength (λg/4) resonators centered around the microstrip line for band rejection.
Analysis of antenna parameters including impedance bandwidth, dual-band rejection, and radiation patterns.

Main Results:

Achieved an impedance bandwidth of 2.9-9.3 GHz, covering the UWB spectrum.
Successfully implemented dual-band rejection, specifically filtering 3.3-3.8 GHz (WiMAX) and 5.15-5.85 GHz (WLAN) bands, with rejection bands observed from 3.2-3.85 GHz and 4.7-6.03 GHz.
Maintained an omnidirectional radiation pattern with consistent antenna gain across the UWB spectrum.

Conclusions:

The proposed compact ultra-wideband patch antenna effectively filters WiMAX and WLAN interference.
The antenna design provides a wide impedance bandwidth suitable for UWB communication systems.
The integration of a C-shaped slit and λg/4 resonators offers a viable solution for dual-band rejection in UWB antennas.