[sdiy] 40106 astable multivibrator - origins

[Roman]

And yet before that by the Schmitt himself, a decade before invention of a transistor.  I don't know for sure, but it would be strange if he didn't think about htat.   Roman  Dnia 15 listopada 2017 21:22 Donald Tillman <don at till.com> napisał(a):   On Nov 15, 2017, at 11:49 AM, bbob <   fluxmonk at gmail.com > wrote:   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....   Oh good grief, that's old as the hills.  :-)   It was probably in the data sheet for the original 40106.   But before that, it was probably in the data sheet for the first CMOS Schmitt Trigger.   And before that, astable multivibrators were featured in the very first CMOS application notes.   Check out the 1979 RCA COS/MOS manual; it has a whole chapter on multivibrators.        archive.org archive.org     -- Don  --  Donald Tillman,  Palo Alto, California  www.till.com www.till.com   ______________________________  Synth-diy mailing list   Synth-diy at synth-diy.org  synth-diy.org synth-diy.org
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