Analogue electronic design resources Superb site. http://www.circuitsage.com/ Many design guides, programs and links in each category. Includes: A/D design Bandgap design Filter design Impedance matching Inductor design LNA/PA PLL Transceiver Transmission line eg filters has 22 online tools, 33 articles, 10 book references, 27 mathcad programs, links to 52 filter design programs (free and for $) -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body