circuit generates frequency-locked triangle waves of constant amplitude, uses readily available TTL and other older-technology parts
http://www.edn.com/archives/1998/020298/03di_01.htm
Database of educational or scientific MATLAB m-files in Mathematics and Engineering, maintained by the University of Stuttgart, Germany.
http://matlabdb.mathematik.uni-stuttgart.de
Research project for designing, fabricating and characterizing semiconductor components for ultra-fast optical signal processing in optical communication fibre networks.
http://scoop.com.dtu.dk/~scoop/
CCD images of galaxies and other objects as well as information about telescopes and creating CCD images.
http://home1.gte.net/res0hnzl/index.html
measuring clocks and critical signals accurately is often inconvenient and hard to do accurately with normal 10? probes, this article describes 100? probe that is easy to make and use, has a high bandwidth, and has a small (less than 1 pF) input capacitan
http://www.edn.com/archives/1996/011896/02di3.htm
Mathematical calculations using scripts and commands in a console-based multiple-window interface using the Microsoft VBScript engine. Windows; shareware.
http://www.flashpeak.com/scriptcon
Provides bidirectional interfaces with a number of finite element file formats.
http://www.sdtools.com/femlink.html
http://www.dougrice.plus.com/hp/LCD1300/index.html
This documents ties to clear out one method for connecting Sega 3D glasses to PC serial port for cheap PC virtual reality. This who do no not know what those Sega 3D glasses are, here is a description.
http://www.tkk.fi/Misc/Electronics/circuits/sega3d.html
PLLs in SERDES circuits typically require external resistors and capacitors. Other PLLs, such as cleanup circuits with high-Q VCXOs, also use external components. Theory and practical experimentation combine to enable you to optimize these component value
http://www.edn.com/article/CA282628.html