News
Voices: Tim Draper: flowing venture capital where it’s needed 11/26/2009
Tim Draper, managing director of venture capital at Draper Fisher Jurvestson and chairman of Bizworld, recently spoke to EDN about his thoughts on regulation, free trade, and encouraging entrepreneurship.1G-sample/sec, 12-bit ADC works in base stations and instrumentation 11/10/2009
Targeting applications in wireless-communications, defense, and test-and-measurement equipment, Texas Instruments recently announced the 12-bit, 1G-sample/sec ADS5400 ADC with 2.1-GHz input bandwidth.Quad power-converter-control chip uses PMBus. 11/10/2009
Maxim’s new MAX16064 monitoring-and-control chip supervises four analog switching power converters.Online power-supply-design tool evaluates 48 billion designs 11/9/2009
National Semiconductor has made significant improvements to its free Webench online-design tool, which operates with most popular Web browsers.16-bit, dual-channel ADCs span 20M to 80M samples/sec 11/4/2009
Analog Devices’ new AD9269 family of 20M-, 40M-, 65M-, and 80M-sample/sec pipeline ADCs takes 16-bit samples.In-Depth
Using high-current integrated-switch power-regulator ICs 10/22/2009
Learn the thermal considerations so you don't get burned.Specify an external reference clock to improve SERDES performance 10/21/2009
Various serial data standards require different clock specifications.Comparing comparators: Measure signals, get results 10/8/2009
Simple in concept, voltage comparators have myriad specifications that complicate their application.A new set of Sallen-Key filter equations 10/1/2009
New design equations let you pick equal capacitor values and solve for the resistors to achieve any desired gain in one stage.Draw the line: Isolation shields systems from shocking surprises 9/3/2009
You must design isolation into your circuits if you want to ensure user safety, eliminate ground loops, and reduce noise. Before selecting a technology, make sure that you understand all the specs and design considerations.Experts
Voices: Tim Draper: flowing venture capital where it’s needed 11/26/2009
Tim Draper, managing director of venture capital at Draper Fisher Jurvestson and chairman of Bizworld, recently spoke to EDN about his thoughts on regulation, free trade, and encouraging entrepreneurship.Shaping edges 11/12/2009
There are many ways to make properly shaped signal edges, but they are each equivalent to some linear filtering operation.Take a risk; throw away those bits! 10/22/2009
You can create a 12-bit system using a 24-bit converter and eliminate the need for analog gain and level-shifting circuits.Real signals 10/8/2009
The piecewise-linear step starts with a jerk, mindlessly follows a perfectly uniform ramp, and smacks hard into its upper limit. Real signals don't do that.A designer's guide to op-amp gain error 9/17/2009
When selecting the proper operational amplifier for your circuit, you need to know how much gain error your design can tolerate.DesignIdeas
