PartSim is a web-based app that makes it possible to create and simulate electronic circuits without installing software on your computer. All you need is an internet connection and a browser. In this ...

Conservatives pull ahead as affordability and cost-of-living concerns grow: poll Japan declares ‘serious incident’ after passenger plane lands in Hokkaido with ground crew vehicle still on runway The ...

Author’s note: This article shows how to derive circuit gain equations via a signal flow graph. With practice you may be able to write a gain equation by locating signal paths and loops in the ...

Observations on nodal and loop analysis that can save a fair amount of scribbling of equations when using Kirchhoff's laws. In a previous Idea for Design, Anshi Chen outlined a method for analyzing ...

Based on a presentation to the 57th Southwestern Petroleum Short Course, Lubbock, Tex., Apr. 26-29, 2010. As shown with a nodal analysis, the use of wellhead chokes on electrical submersible-pumped ...