<div dir="ltr">I think RCA were the first to manufacture CMOS, so early RCA databooks would be a good place to look.<div><br></div><div>The 1973 databook:</div><div><br></div><div><a href="http://www.introni.it/pdf/RCA%20-%20CMOS%20Ic%20Databook%20SSD%20250C%201973.pdf">http://www.introni.it/pdf/RCA%20-%20CMOS%20Ic%20Databook%20SSD%20250C%201973.pdf</a><br></div><div><br></div><div>has a 40106 datasheet and an astable circuit. The 40106 was near the end of the list in this book, so I don't think you'd have to look very much further back. 1972 perhaps?</div><div><br></div><div><br></div><div>I wonder which synth was first to use CMOS?</div><div><br></div><div>Steve</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 15 November 2017 at 19:49, bbob <span dir="ltr"><<a href="mailto:fluxmonk@gmail.com" target="_blank">fluxmonk@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">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><br></div><div>bbob drake</div></div>
<br>______________________________<wbr>_________________<br>
Synth-diy mailing list<br>
<a href="mailto:Synth-diy@synth-diy.org">Synth-diy@synth-diy.org</a><br>
<a href="http://synth-diy.org/mailman/listinfo/synth-diy" rel="noreferrer" target="_blank">http://synth-diy.org/mailman/<wbr>listinfo/synth-diy</a><br>
<br></blockquote></div><br></div>