<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class=""><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On 27 Dec 2024, at 20:17, Ingo Debus via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a>> wrote:</div><div class=""><div style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div class=""><blockquote type="cite" class=""><div class="">Am 27.12.2024 um 08:35 schrieb Donald Tillman <<a href="mailto:don@till.com" class="">don@till.com</a>>:</div><br class="Apple-interchange-newline"><div class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">If it was me, I would have directly emulated the chip with, say, 6 CD4040's and some diodes.</span></div></blockquote></div><br class=""><div class="">That’s what Elektor did in 1974:</div><div class=""><a href="https://www.elektormagazine.de/magazine/elektor-197411/55706" class="">https://www.elektormagazine.de/magazine/elektor-197411/55706</a></div><div class=""><br class=""></div><div class="">They used TTL chips, not CMOS. It was quite a huge project. I remember this so well because this was one of the first Elektor issues I bought myself.</div></div></div></blockquote><br class=""></div></div></div><div>I honestly don't see the point of this type of approach. Discrete dividers has all of the worst features of the TOG chips (locked frequencies, poor frequency tuning, loads of circuit) without the few minor benefits (small size, simplicity, and cheapness).<div class=""><br class=""></div><div class="">IF you'Re willing to throw that much circuitry at the problem, why would you *not* simply build a board with twelve top octave oscillators and then just use dividers from there? I don't get it.</div><div class=""><br class=""></div><div class="">I suppose the draw of only having a *single' trimmer to tune the entire thing must have seemed absolutely magical in the late 1970's, and that was enough!!<br class=""><div class=""><br class=""></div></div><div class="">Tom</div></div></body></html>