Describes different causes of EMI noise, FCC Compliance labels and a variety of solutions for over coming RFI including shielding and RF chokes.

This is the first part of a three part series on induced electrical noise. This article covers the effects of induced electrical noise within the wiring system, noting the behavior of surges as they traveled completely within the boundaries of the conductors, concentrating on those having a very fast rise time.

This is the second part of a three part article on induced electrical noise. This article discuses topics such as ground loops, wobbling CRT screens, induced versus conducted noise and rate of change of current with respect to time, as well as common installations and potential problems.

The final entry in a series about induced electrical noise. Cover topics include noise on phase conductors, noise circulating in the ground, transient voltage surge suppression and broad scope shielding.

This article walks the reader threw an actual procedure of analyzing communication noise complete with waveform diagrams, procedures, benchmarks and descriptions or all diagnostic instruments.

Knowing the types of electrical noise and how to measure them are important first steps in enhancing your ability to troubleshoot. Electrical noise currents on data communication cables are a real problem. They can cause corruption of the desired signals being sent across the cable by the equipment connected to its ends. In extreme cases, these noise currents may even become great enough to cause electrical damage, such as component burnout, to the circuit elements used at either end of the cable. Learning how to make some simple noise current measurements on such cables without disturbing the signal transmission itself is important if you want to troubleshoot such a problem. Let's talk about some of the basics of making these kinds of measurements.

This article focuses on ensuring measurement accuracy for LAN testing by avoiding the negative effects of EMI and improper grounding. Topics include types and sources of noise, noise detection and analysis as well as differences in test equipment.

Let's take a look at a conducted Electromagnetic Interference (EMI) problem that was recently identified and resolved at an industrial process control plant. Here, the victim circuit was a signal transported on a coaxial cable. The signal was a low frequency square-wave whose period varied as a function of the sending end transducer's input.

This article takes a look at an example of how sound attenuating electrical designs and installation methods work together in a 2062-seat concert hall. All areas of concern are covered from lighting to mechanical interference from vibrations.

This article discusses the susceptibility of a CNC machine to different sources of noise and stray currents, depending on its design, grounding, bonding, and shielding. Problem areas of ground related noise discussed include the noise appearing on the input power conductors relative to the equipment ground and the noise or difference in electrical potential that appears between the grounds of interconnected equipment.

This article talks about proper design and installation of signal reference grids (SRGs). Focuses are primarily what equipment should be connected to a SRG, knowing if a SRG is working and how to test SRGs.

KRA Ltd Provide Environmental Noise Solutions in the UK. Services Include Noise Control, Sound Testing, Noise Surveys, Acoustic Consultancy and Certification. Read More Online.