Reference Articles 1 - 28 of 28
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How to select Hall-effect sensors for brushless dc motors
Description: Brushless dc (BLDC) motors need to operate more efficiently as energy and cost savings becomes a bigger concern for designers of electronic devices. One way to help ensure greater efficiency is by ...
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Prevent Arc Flash Hazard - Taking the Current out of Current Switches
From: Setra SystemsDescription: Current switches (aka current sensors) are used to monitor the operation of motors, pumps, fans, compressors, lights, and other equipment. Two common types of current switches are fixed point and ...
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Clamp On Current Monitors Acheive Wide Bandwidth
Description: A wideband current monitor consists of two halves that clamp together over a conductor, offering measurement convienience from near DC to 15 MHZ. ...
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Noise Reduction by Ferrite Cores
Description: In any current monitoring application noise may be capacitively coupled to the outer shield of the current monitor. The coupled voltage causes current to flow on the cable shield which in turn ...
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Current Sensor Info.
Description: Open Loop Operating Principle In a hall effect-based current sensor, the magnetic flux, proportional tothe primary current, is concentrated in gapped magnetic corecontaining the hall effect device ...
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Reliability Demands Independence
Description: When safety, reliability and/or remote operation in extreme environments are crucial design criteria, it is often best practice to measure system performance and status independently from the control ...
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Broadcast Measurements Application Note
From: Anritsu CompanyDescription: The performance of AM and FM broadcast stations is regulated in the United States by the Federal Communications Commission (FCC) and in other countries by their own regulatory bodies. Part 73 of the ...
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Measurement of Radar Cross Section Using the VNA Master Handheld VNA Application Note
From: Anritsu CompanyDescription: Radar cross section RCS is the measure of an object's ability to reflect radar signal in the direction of the radar receiver i.e. it is the measure of the ratio of backscatter per steradian (unit ...
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Magnetic Field Conversion Factors (.pdf)
From: A.H. Systems Inc.Description: This pdf covers the most commonly used convertion factors for magnetic field applications. ...
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Clamp-On Current Monitors Achieve Wide Bandwidth (.pdf)
Description: Viewing and measurement of electric current is so important that a variety of devices and methods have been developed and refined over the years. In its simplest form, current may be measured by ...
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Probing for EMI (Electromagnetic Interference) using Agilent EMI Analyzer
Description: Martin Jahn reviews the test equipment (Agilent E7405A EMI Analyzer, Agilent 11941A Close Field Probe and Agilent 8447F Preamplifier) to the IEEE UCSD College students. He also demonstrates how to ...
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Understanding SDA II Jitter Calculation Methods (.pdf)
From: Teledyne LeCroyDescription: LeCroy's SDA II Serial Data Analysis Package includes revised jitter calculation methods and enhancements to the SDA user interface and feature set. In SDA II, the jitter calculation methods now ...
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'Best Practice' Makes Sound Business Sense - How to Avoid the Real Cost of Non-Compliance in Static Control (.pdf)
From: Newson Gale Inc.Description: The overall cost of non-compliance can stretch far beyond potential "savings" achieved by ignoring the risk of electrostatic ignitions or by using noncompliant static control methods. ...
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Controlling Static Electricity When Handling IBC's in Potentially Hazardous Atmospheres (.pdf)
From: Newson Gale Inc.Description: The UK's Health & Safety Executive, in collaboration with the Chemical Business Association (CBA) and Solvent Industry Association (SIA) has issued general guidance outlining the type of assessments ...
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An Analysis of Unmanned Airborne Vehicle Relay Coverage (.pdf)
From: Remcom (USA)Description: Unmanned Airborne Vehicles, UAVs, can be used as radio relay platforms in environments characterized by poor RF connectivity. Those environments can be urban, forested or mountainous regions where no ...
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A Numerical Comparison of the Reflectivity of Thick-Sheet and Thin-Foil Hollow Pyramidal Absorbers
Description: The reflectivity of a doubly-periodic array of hollow pyramidal absorbers (representing a typical absorber-lined wall of a large 10 m EMC test chamber) is calculated in two ways. First, a rigorous ...
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Basic Principle of Cavity Resonance and Circuit Board Housing
Description: Many circuit boards in microwave components use some sort of housing to protect them. Often this housing is made of or coated with metal to provide some electromagnetic isolation or physical ...
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Cavity Resonance Damping-IEEE Magazine, June 2005
Description: Today, many microwave circuit designers are noticing that their circuits do not perform quite as well as predicted when they enclose their circuit boards within a package that can change the ...
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Dampening Cavity Resonance Using Absorber Material- RF Design, May 2004
Description: Today, many microwave circuit designers are noticing that their circuits do not perform as well as predicted when they enclose them with circuit board covers. As a result, cavity resonances are set up ...
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Development and Capabilities of Special Absorbers for High-Power Applications
Description: This paper describes the power handling tests on a selection of Emerson & Cumings Microwave Products pyramidal high power absorbers. Especially the latest developed high power absorber ECCOSORB HFX-HC ...
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Improving Signal Integrity in Circuit Boards by Incorporating Absorbing Materials
Description: Electrical signals that propagate through vias between layers of metal planes in the circuit boards will generate radial waves that are guided by the planes. Multiple reflections of these parallel ...
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Modeling and Optimization of Advanced Multilayered Absorbers
Description: In this contribution we present a design environment for the optimization of layered absorbers. The manufacturer has a wide set of materials with known properties available. The thickness of these ...
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Sensors and RFID for Advanced Error Proofing - White Paper
From: Balluff, Inc.Description: Error proofing is now an accepted tool for achieving substantial gains in product quality and manufacturing efficiency. This white paper is intended to provide a general overview of some of the ways ...
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Getting Down to Earth
From: Omni Controls, Inc.Description: Nothing is quite so common or abundantly available throughout the world as the earth's soil. We are more apt to think of earth as something to be tilled for planting or to be excavated for a building ...
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Digital Compass Reference Design with the SiRFstar2t GPS Chipset
From: Honeywell
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Vehicle Detection Using AMR Sensors
From: Honeywell
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Popular Marine Engine Manufacturer Uses MTI Capacitive Sensors to Precisely Measure Engine Oil Film Thickness
From: MTI Instruments Inc.Description: Marine engine manufacturers are faced with the constant and difficult challenge of designing and building engines to operate under the most severe environments, engines that must be long lasting, ...
- Earth Resistance Measurement
