June 30, 2009
eBook: Building Battery Arrays with Lithium-Ion Cells
Large scale arrays based on Li-ion batteries can provide the high voltage, current, and capacity required by many emerging portable markets; however, there are numerous problems facing the designers of larger battery packs, and this paper outlines the techniques for achieving high voltage or capacity by building high cell count arrays.
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ED News Staff
May 28, 2009
White Paper: Transformer Design for Charging Defibrillator Capacitors
Flyback topology is used to generate high voltage in transformers and is suitable for applications including defibrillators and photo flashes. This article provides a procedure for transformer design such that the capacitor is charged within a stated time, eliminating over-design approaches and allowing for selection of critical values with confidence.
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ED News Staff
May 28, 2009
White Paper: Measuring Transformer Distributed Capacitance
The accurate measurement of distributed capacitance (Cd) is important in circuit modeling. This article presents a general discussion of distributed capacitance with an emphasis on measurement, discusses factors that can lead to errors when standard measurement techniques are employed, and provides strategies to help engineers obtain more accurate Cd values.
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ED News Staff
May 28, 2009
White Paper: Current-Sense Transformer Application Design Guidelines
The standard for precise current measurement in instrumentation and other high reliability equipment applications has been the current-sense transformer. With the increasing availability of off-the-shelf current-sense transformers, a simple guideline can greatly help in selecting the proper and cost-effective components for many applications. The purpose of this white paper is to provide those design guidelines.
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ED News Staff
April 10, 2009
White Paper: First Principles of a Gas Discharge Tube (GDT) Primary Protector
This white paper outlines Bourns’ GDT device operation and provides crucial design information on the relationship between key electrical parameters and ramp and surge waveforms, how to define ramp and surge impulses and how GDT parameters change over its life.
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ED News Staff
April 7, 2009
3 Whitepapers from Maxim
3 whitepapers from Maxim: An Efficiency Primer for Switch-Mode, DC-DC Converter Power Supplies, OneWireViewer and iButton® Quick Start Guide, & Design Guidelines for High-Performance Multichannel, Simultaneous-Sampling ADCs in Data-Acquisition Systems (DAS)
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ED News Staff
January 6, 2009
Storage Strategies For AdvancedTCA Platforms
In order to reduce costs, a growing number of companies are trying to limit the number of different platforms on which they base applications. Each platform type requires a different tool chain for development; a different supply chain to manage; and different processes to deploy and maintain in the field.
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Brian Carr
December 16, 2008
WHITE PAPER: Liquid-Level Monitoring Using a Pressure Sensor
This article will explain how to automate a liquid monitoring system using a pressure sensor. Since obtaining the pressure is just one vital piece of the information, how to convert the sensor's output voltage into the liquid's height using an analog-to-digital converter (ADC) will also be explained. Details of the pressure sensor, ADC connections, system calibration and calculations, as well as an example application, are available to guide designers through the development phase.
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Staff
October 20, 2008
WHITE PAPER: Create Complex Sequences with a DC Power Supply
DC power supplies are a fundamental component of almost every test system. Today's complex automatic test equipment (ATE) systems must quickly perform a variety of tests, either to increase test system throughput or to tweak and optimize design performance. Learn the benefits of using list mode to create complex sequences and for improved testing and reduced test time.
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Staff
October 20, 2008
WHITE PAPER: Improve Power Supply Performance and Safety Using Remote Sensing and Remote Disable
Power supplies will perform safely and as specified at the output terminals. In many applications, the tests on the DUT are not performed right at the power supply output terminals. Power supply features such as remote sense and remote disable allow the power supply regulate its output and even shut down based upon what is happening at the load. Learn tips on how to use these features in your tests.
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Staff
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