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

Capacitance: Single-Phase And Three-Phase Line01:25

Capacitance: Single-Phase And Three-Phase Line

211
In electrical power systems, understanding the capacitance of transmission lines is fundamental for efficient operation.
Single-Phase Lines
Consider a single-phase, two-wire transmission line with equal phase spacing energized by a voltage source. One conductor carries a uniform positive charge, while the other carries an equal negative charge. The capacitance C of the line can be derived from the voltage V between the conductors. For a one-meter section of the line, the capacitance is given...
211
Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

405
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...
405
Transmission-Line Differential Equations01:26

Transmission-Line Differential Equations

368
Transmission lines are essential components of electrical power systems. They are characterized by the distributed nature of resistance (R), inductance (L), and capacitance (C) per unit length. To analyze these lines, differential equations are employed to model the variations in voltage and current along the line.
Line Section Model
A circuit representing a line section of length Δx helps in understanding the transmission line parameters. The voltage V(x) and current i(x) are measured...
368
Capacitors01:15

Capacitors

479
Capacitors play a crucial role in car radios, where they filter and store frequencies to ensure clear signal reception. Essentially serving as energy storage devices, capacitors store energy within their electric field and are composed of two parallel conducting plates separated by a dielectric.
When a voltage source is connected to a capacitor, positive and negative charges accumulate on the opposite plates. This accumulation generates a potential difference that equals the product of the...
479
Traveling Waves: Lossless Lines01:27

Traveling Waves: Lossless Lines

181
The provided content explores the behavior of traveling waves on single-phase lossless transmission lines. It begins with a single-phase two-wire lossless transmission line of length Δx, characterized by a loop inductance LH/m and a line-to-line capacitance C F/m. These parameters result in a series inductance LΔx  and a shunt capacitance CΔx.
181
Lossless Lines01:23

Lossless Lines

160
In electrical engineering, a lossless transmission line is characterized by a purely imaginary propagation constant and a resistive characteristic impedance. The ABCD parameters, which describe the relationship between the input and output voltages and currents, indicate an equivalent π circuit with an imaginary series impedance and a shunt admittance. This results in a transmission line that, when the product of the phase constant (beta) and the length of the line is less than pi,...
160

You might also read

Related Articles

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

Sort by
Same author

Decomposing and Modeling Acoustic Signals to Identify Machinery Defects in Industrial Soundscapes.

Sensors (Basel, Switzerland)·2025
Same author

Sub-MHz EMAR for Non-Contact Thickness Measurement: How Ultrasonic Wave Directivity Affects Accuracy.

Sensors (Basel, Switzerland)·2025
Same author

Optoelectronic Strain-Measurement System Demonstrated on Scaled-Down Flywheels.

Sensors (Basel, Switzerland)·2024
Same author

Eddy Current Position Measurement in Harsh Environments: A Temperature Compensation and Calibration Approach.

Sensors (Basel, Switzerland)·2024
Same author

Excitation of Mechanical Resonances in the Stationary Ring of a Mechanical Seal by a Continuously Operated Electromagnetic Acoustic Transducer.

Sensors (Basel, Switzerland)·2023
Same author

A Model-Based Analysis of Capacitive Flow Metering for Pneumatic Conveying Systems: A Comparison between Calibration-Based and Tomographic Approaches.

Sensors (Basel, Switzerland)·2022

Related Experiment Video

Updated: Aug 10, 2025

Fabrication and Characterization of Superconducting Resonators
10:26

Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

11.4K

Transmission Lines in Capacitance Measurement Systems: An Investigation of Receiver Structures.

Matthias Flatscher1, Markus Neumayer1,2, Thomas Bretterklieber1

  • 1Institute of Electrical Measurement and Sensor Systems, Graz University of Technology, Inffeldgasse 33, 8010 Graz, Austria.

Sensors (Basel, Switzerland)
|February 11, 2023
PubMed
Summary

This study compares three capacitive measurement circuits for dielectric sensing with cables. It analyzes their performance under varying conditions, providing insights for robust sensor instrumentation.

Keywords:
SNRfrequency-spectroscopyimpedance transformationnoiseradio frequencyreceiver circuittransmission line

More Related Videos

Scanning-probe Single-electron Capacitance Spectroscopy
10:53

Scanning-probe Single-electron Capacitance Spectroscopy

Published on: July 30, 2013

13.1K
Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.2K

Related Experiment Videos

Last Updated: Aug 10, 2025

Fabrication and Characterization of Superconducting Resonators
10:26

Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

11.4K
Scanning-probe Single-electron Capacitance Spectroscopy
10:53

Scanning-probe Single-electron Capacitance Spectroscopy

Published on: July 30, 2013

13.1K
Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements
09:36

Continuous-Wave Propagation Channel-Sounding Measurement System - Testing, Verification, and Measurements

Published on: June 25, 2021

3.2K

Area of Science:

  • Electrical Engineering
  • Measurement Science
  • Sensor Technology

Background:

  • Capacitive measurement technology is vital for dielectric sensing across industries.
  • Parasitic capacitances and stray fields complicate accurate measurements.
  • Separating sensors from electronics via cables is necessary for harsh environments but introduces challenges.

Purpose of the Study:

  • To investigate the behavior of three common measurement circuits for capacitive sensing with cable-connected sensors.
  • To analyze the impact of cable length and frequency on circuit performance and amplifier states.
  • To evaluate cross-sensitivities and noise performance for practical application guidance.

Main Methods:

  • Simulation studies of sensor-circuit interactions.
  • Experimental measurements on dedicated test circuits with state-of-the-art components.
  • Analysis of operational behavior, amplifier states, cross-sensitivities, and noise performance.

Main Results:

  • Identified operational characteristics and limitations of each circuit under different cable lengths and frequencies.
  • Quantified cross-sensitivities arising from stray capacitances.
  • Provided a comparative noise analysis of the evaluated circuits.

Conclusions:

  • Established conditions for the usability of the investigated capacitive measurement circuits in cabled sensor systems.
  • The study offers a direct comparison of circuit performance, aiding in the selection of appropriate instrumentation.
  • Results provide a foundation for future advancements in robust dielectric sensing systems.