[sdiy] R2R ladder with feedback loop?

[Tavys Ashcroft]

Oh, and here are the Semiconwell and Vishay networks:
http://www.semiconwell.com/r_net/swr2r.htm
http://www.vishay.com/resistor-networks/resistor-ladder-networks/

What is the design for?

-Tavys

On 8/19/06, Karl Ekdahl <elektrodwarf at yahoo.se> wrote:
> Hi list,
>
> I want to throw together a simple R2R ladder using 1%
> 100 ohm resistors, the problem is that a standard
> configuration would draw way too much current. I was
> thinking that there has to be some neat little op-amp
> feedback trick that can overcome this problem but
> can't think of it myself.
>
> Any ideas?
>
> Thanks
>
> Karl
>