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

Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

792
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...
792
Instrumentation Amplifier01:25

Instrumentation Amplifier

1.3K
An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
1.3K

You might also read

Related Articles

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

Sort by
Same author

Stability and neurophysiological validity of graph connectivity features for non-stationary motor imagery BCIs.

Journal of neural engineering·2026
Same author

A novel portable device and validation procedure for transcutaneous electrical nerve stimulation.

Wearable technologies·2025
Same author

Capacitive Sensors for Label-Free Detection in High-Ionic-Strength Bodily Fluids: A Review.

Biosensors·2025
Same author

An Active Microchannel Neural Interface for Implantable Electrical Stimulation and Recording.

IEEE transactions on biomedical circuits and systems·2025
Same author

Forearm Motion and Hand Grasp Prediction Based on Target Muscle Bioimpedance for Human-Machine Interaction.

IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society·2025
Same author

Deep learning-based spike sorting: a survey.

Journal of neural engineering·2024

Related Experiment Video

Updated: Apr 12, 2026

A Simple Approach to Perform TEER Measurements Using a Self-Made Volt-Amperemeter with Programmable Output Frequency
07:43

A Simple Approach to Perform TEER Measurements Using a Self-Made Volt-Amperemeter with Programmable Output Frequency

Published on: October 5, 2019

24.1K

On the application of frequency selective common mode feedback for multifrequency EIT.

Peter J Langlois1, Yu Wu, Richard H Bayford

  • 1Department of Electronic and Electrical Engineering, University College London, London, WC1E 7JE, UK.

Physiological Measurement
|May 27, 2015
PubMed
Summary

Common mode voltages in bioimpedance measurements are reduced using common mode feedback. This study demonstrates significant dB reductions in both current and voltage feedback for electrical impedance tomography applications.

More Related Videos

Performing In Vivo and Ex Vivo Electrical Impedance Myography in Rodents
05:44

Performing In Vivo and Ex Vivo Electrical Impedance Myography in Rodents

Published on: June 8, 2022

3.7K
Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
06:54

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

2.0K

Related Experiment Videos

Last Updated: Apr 12, 2026

A Simple Approach to Perform TEER Measurements Using a Self-Made Volt-Amperemeter with Programmable Output Frequency
07:43

A Simple Approach to Perform TEER Measurements Using a Self-Made Volt-Amperemeter with Programmable Output Frequency

Published on: October 5, 2019

24.1K
Performing In Vivo and Ex Vivo Electrical Impedance Myography in Rodents
05:44

Performing In Vivo and Ex Vivo Electrical Impedance Myography in Rodents

Published on: June 8, 2022

3.7K
Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery
06:54

Author Spotlight: Advancements in Impedance Monitoring for Cochlear Implant Surgery

Published on: August 4, 2023

2.0K

Area of Science:

  • Electrical Engineering
  • Biomedical Engineering
  • Signal Processing

Background:

  • Common mode voltages pose significant challenges in electrical impedance tomography (EIT) and bioimpedance analysis.
  • Imbalances in current drives, electrode connections, and body impedance to ground contribute to these common mode effects.

Purpose of the Study:

  • To analyze common mode feedback for current drives in bioimpedance applications.
  • To investigate the effectiveness of frequency-selective narrowband common mode feedback.
  • To demonstrate multifrequency application capabilities.

Main Methods:

  • Formalized analysis of current and voltage feedback mechanisms.
  • Consideration of common mode effects from various sources of imbalance.
  • Experimental demonstration of narrowband feedback for dual simultaneous current drives.

Main Results:

  • Achieved a 62 dB reduction in current feedback.
  • Achieved a 31 dB reduction in voltage feedback.
  • Demonstrated effective feedback across frequencies from 50 kHz to 1 MHz.

Conclusions:

  • Narrowband common mode feedback effectively mitigates common mode voltages in EIT.
  • The experimental results validate the proposed feedback strategy for multifrequency bioimpedance measurements.
  • Standard components can be utilized to achieve substantial noise reduction.