[sdiy] 40106 astable multivibrator - origins

Michael E Caloroso mec.forumreader at gmail.com
Tue Nov 21 01:20:37 CET 2017


Buchla may had been the first to use CMOS.  He was always on the
cutting edge of technology back then.

Barring that, I'd guess ARP Omni.

MC

On 11/20/17, S Ridley <spridley1 at gmail.com> wrote:
> I think RCA were the first to manufacture CMOS, so early RCA databooks
> would be a good place to look.
>
> The 1973 databook:
>
> http://www.introni.it/pdf/RCA%20-%20CMOS%20Ic%20Databook%20SSD%20250C%201973.pdf
>
> 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?
>
>
> I wonder which synth was first to use CMOS?
>
> Steve
>
>
> On 15 November 2017 at 19:49, 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....
>>
>> bbob drake
>>
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>



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