CA3046 replacemnt ?

[jbv]

mbartkow at ET.PUT.Poznan.PL :

> BTW, what is that whole hype about uA726 ? It is very easy to form
> a temperature stabilised oven using two trannys from the 3046 and
> an external opamp. I have built such circuit, and even saw few
> similar working very well in particular applications. We have three
> transistors left perfect for an exp converter.
>

Any schemo available / posted somewhere ?

jbv