- Published in issue 6/1991 on page 50
LASER PART 2: CONTROl UNIT lSI7000 (CIRCUIT DESCRIPTIONS) Following last month& s description of the laser exciter and the mirror galvanometer assembly we now turn to a state-of-the art electronic control unit for the show laser. Continuet jral/l.This article is one from our 90s collection, the articles are downloadable as a PDF for all our members. Although the information we have on the website is a little less rich than you have become used to since 2000, the articles themselves are still a good read. Please enjoy the professionally designed, easy to build circuits that were considered the latest developments in electronics and information technology at the time they were written. In most cases they have stood the test of time pretty well.