This wasn't it, was it? It's earlier than what you found... <> That's called "A Digital Waveform Synthesizer Using Walsh Functions" Joe On 7/27/2016 10:44 PM, MCH wrote: > I would love to read that if you find it. > > Joe > > On 7/27/2016 8:35 PM, John Coppens wrote: >> On Tue, 26 Jul 2016 22:02:42 -0300 >> John Coppens wrote: >> >>> *I KNOW I have the Appnote here somewhere. Can't find it though. >> >> Found the exact appnote - it's Motorola's AN-315: >> "A low frequency waveform synthesizer based on Walsh functions" >> Prepared by Robin Hodgson (1974). >> >> I couldn't find it on the 'net yet. If someone is interested - >> I may have a scanned copy here somewhere. >> >> John >> --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .