"Everything You Always Wanted to Know About the ICL8038" sure is amusing and interesting. It answers questions like the one given in the article, and my favorit

"Everything You Always Wanted to Know About the ICL8038" sure is amusing and interesting. It answers questions like the one given in the article, and my favorite, number 7: "This waveform generator is a piece of junk. The triangle wave is non-linear and has large glitches when it changes slope." http://www.intersil.com/content/dam/Intersil/documents/an01/an013.pdf http://www.intersil.com/content/dam/Intersil/documents/an01/...