[sdiy] Thanks Everyone! (say, any CA3094's out there?)

[harry]

Hi Cynthia...

The manufacturers make these parts in the expectation that we will
buy millions of them. When that does not happen they eventually drop
them. The 3094 is a really OLD chip at this point.

Today they drop products because of greed and stupidity... often NEW
products which really does screw people over.

I think the CA3094 is no big deal... the LM13600/13700 has the same
architecture in a dual...  or try a 3080 and use your own darlington (or better
yet... FET) buffer.

If you are comitted to the layout then your idea of a little header would work.
The CA3080 is available in SMT package and you COULD fit it on a dip header...

H^) harry

Cynthia Webster wrote:

> Hi list!
>
> I just wanted to thanks everyone for being so helpful!
> Thanks to you, I found the search engine for the Archives, and am very
> grateful...
>
> (now I'm looking for CA3094 chips and - oh my!
> They're very scarce!
>
> Why?
>
> (What's the  *big idea* of these huge companies making things, and getting
> us to design stuff using their pinouts - only to have them Yank the product
> - saying it's "obsolete" and then *not* offering us any upgrade, equivalent
> or replacements?
>
> That's Not very nice!
>
> Of course I've spent hours and hours on a circuit only to find out *now*
> that the part's not available... Anyone want to sell two or three used ones?
>
> So well, now I'm wondering if it's possible to wire-up my own CA3094
> equivalent circuit onto an 8-pin dip header, as a sort of "Franken-Amp"
> to plug into the socket - where a *Real* CA3094 should be...
>
> Any ideas?
>
> (Did You say a room in Maui?  Really? The moonlight on the waves)?  LOL!
>
> Thanks Everybody!
>
> Cynthia

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