Jove
Visualize
Contact Us

Related Concept Videos

Passive Filters01:27

Passive Filters

452
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...
452
Cascaded Op Amps01:16

Cascaded Op Amps

585
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...
585
Transmission Line Design Considerations01:23

Transmission Line Design Considerations

119
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...
119
Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

692
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.
692
Biasing of FET01:22

Biasing of FET

216
Biasing a Junction Field Effect Transistor (JFET) is crucial for setting operational parameters and ensuring efficient functioning in electronic circuits. JFETs are characterized by using a single carrier type in N-channel or P-channel configurations, where the channel is surrounded by PN junctions. These junctions are central to the device's ability to control current flow.
In an N-channel JFET, the structure consists of N-type material forming the channel on a P-type substrate, with the...
216
Impedance Combination01:21

Impedance Combination

310
Consider a string of christmas lights, each bulb symbolizing an impedance element. In this series configuration, the flow of electric current remains uniform across every component. This behavior aligns with Kirchhoff's Voltage Law (KVL), which asserts that the total impedance in such a setup equals the sum of individual impedances—akin to resistors in series. It follows that the voltage from the power source is distributed proportionally among these components, adhering to the...
310

You might also read

Related Articles

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

Sort by
Same author

Band-Stop Frequency-Selective Surface (FSS) with Elliptic Response Designed by the Extracted Pole Technique.

Sensors (Basel, Switzerland)·2024
See all related articles
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 Experiment Video

Updated: Jun 3, 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

6.1K

Fully Canonical Triple-Mode Filter with Source-Load Coupling for 5G Systems.

Cristóbal López-Montes1, José R Montejo-Garai1

  • 1Group of Applied Electromagnetics (GEA), Information Processing and Telecommunications Center, Universidad Politécnica de Madrid, 28040 Madrid, Spain.

Sensors (Basel, Switzerland)
|January 11, 2025
PubMed
Summary

This study introduces a compact triple-mode filter for 5G base stations, utilizing circular waveguide technology and coaxial probes. The novel design enhances selectivity and achieves excellent performance, validating its suitability for 5G applications.

Keywords:
3D filterbandpass filtercross-couplingelliptic responsefully canonicalsource–load couplingtransmission zerotriple modewaveguide filter

More Related Videos

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

16.9K
Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

8.9K

Related Experiment Videos

Last Updated: Jun 3, 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

6.1K
Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

16.9K
Generation and Coherent Control of Pulsed Quantum Frequency Combs
06:42

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

8.9K

Area of Science:

  • Electrical Engineering
  • Electromagnetics
  • Microwave Engineering

Background:

  • 5G wireless communication systems require highly selective and compact filters.
  • Traditional filter designs face limitations in achieving desired selectivity and power handling for 5G applications.
  • Circular waveguide technology offers potential for high-power handling and low insertion loss filters.

Purpose of the Study:

  • To design and validate a novel, fully canonical triple-mode filter for 5G applications.
  • To exploit compact size and circular waveguide technology for the FR1 band.
  • To achieve high selectivity and power handling using a unique source-load coupling topology.

Main Methods:

  • Design of a fully canonical triple-mode filter topology.
  • Utilization of circular waveguide technology for enhanced performance.
  • Employing coaxial probes for input-output coupling to achieve necessary source-load coupling.
  • Systematic procedure for initial geometry generation followed by full-wave optimization.
  • Fabrication and measurement of a prototype filter at 3.7 GHz.

Main Results:

  • A compact triple-mode filter with a fully canonical topology was successfully designed.
  • The filter utilizes circular waveguide technology and coaxial probes for input-output.
  • A prototype filter demonstrated excellent agreement between simulation and measurement results.
  • The designed filter achieved a 1.1% relative bandwidth at 3.7 GHz, suitable for 5G base stations.

Conclusions:

  • The novel triple-mode filter design is validated through a manufactured prototype.
  • The employed design methodology and topology are effective for 5G filter applications.
  • The filter's compact size, high selectivity, and power handling capabilities make it suitable for 5G base stations.