Electronics Infoline Web

Simple circuit provides timebase calibration

inexpensive and quick way to check the timebase speeds and linearity in vintage oscilloscopes

http://www.edn.com/archives/1997/042497/09di_05.htm

Simple Colour Organ

http://www.aaroncake.net/circuits/corgan.htm

by John Nooyen.

http://www.uoguelph.ca/~antoon/gadgets/sccs.htm

for microwave converter

http://www.mrs.bt.co.uk/dubus/9201-6.pdf

http://www.rlocman.com.ru/am/a02004.htm

use this simple ESD-test gun to test the effects of ESD through sensitive ICs, based in piezo-electric type kitchen gas lighter

http://www.edn.com/archives/1996/091296/19di1.htm

http://www.kronjaeger.com/hv-old/radio/geiger/geiger1.gif

http://www.kronjaeger.com/hv-old/radio/geiger/geiger2.gif

http://www.mip.berkeley.edu/images/physics/B+10+65.gif

http://www.repairfaq.org/REPAIR/F_hvprobe.html