<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Nov 15, 2017, at 11:49 AM, bbob <<a href="mailto:fluxmonk@gmail.com" class="">fluxmonk@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">anybody know the origins or first publication of the 40106 astable multivibrator circuit? i've found it in a 1992 intersil data sheet, but i think it's been around longer than that....</div></div></blockquote><div><br class=""></div>Oh good grief, that's old as the hills. :-)</div><div><br class=""></div><div>It was probably in the data sheet for the original 40106.</div><div><br class=""></div><div>But before that, it was probably in the data sheet for the first CMOS Schmitt Trigger.</div><div><br class=""></div><div>And before that, astable multivibrators were featured in the very first CMOS application notes.</div><div><br class=""></div><div>Check out the 1979 RCA COS/MOS manual; it has a whole chapter on multivibrators.</div><div><br class=""></div><div> <a href="https://archive.org/details/RcaCosmosIntegratedCircuitsManual" class="">https://archive.org/details/RcaCosmosIntegratedCircuitsManual</a></div><div><br class=""></div><div> -- Don</div><div><span style="font-family: Monaco; font-size: 11px; orphans: 2; widows: 2;" class="">--</span></div><div apple-content-edited="true" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; border-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-stroke-width: 0px;"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><font face="Monaco" class=""><span style="font-size: 11px;" class="">Donald Tillman, </span></font><span style="font-size: 11px; font-family: Monaco;" class="">Palo Alto, California</span></div><div class=""><span style="font-size: 11px; font-family: Monaco;" class=""><a href="http://www.till.com" class="">http://www.till.com</a></span></div><div class=""><font face="Monaco" class=""><span style="font-size: 11px;" class=""><br class=""></span></font></div></div></span></div></span></div></div></div></div></div><br class="Apple-interchange-newline">
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