[sdiy] UA726 clone possible?

[Dan Snazelle]

I've often wondered this myself.

It's all there in the datasheet. 

Sent from my iPhone

> On Sep 9, 2015, at 9:28 AM, "Tom Bugs" <admin at bugbrand.co.uk> wrote:
> 
> Sorry, please reply to this one so it has a new thread title:::
> 
> ********************************
> 
> I wondered before why no-one seems to have done a clone of the ua726.
> 
> Doesn't *SEEM* all that complex?!
> A nice matched pair (eg LS318) is the main core.
> 6 transistors (I presume general purpose?), 2 x 6V2 zeners and 6 standard resistors.. - those parts being for the heating element.
> 
> Get the pin placement right, encapsulate it in goo..
> 
> What am I wrong on?
> 
> [I don't want to fully take on such a project, though could potentially do a design up for initial testing with a view to someone running a production in a friendly open-source-ish manner]
> 
> Tom
> 
> 
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