Keyboard circuit (was Stretch tuning a resistor string)

[Harry Bissell]

The problem with the 3340 tempco out is that you have to have the 3340
glued (thermally) to the device you want to track...

3340 is a mighty expensive tempco, ain't it ????

H^)   (new signature... Harry)

Hallgeir Helland wrote:

> Paul Schreiber wrote:
> >
> > The tempco pin is not on the 3374, just on the 3340.
>
> Perhaps it isn't a "tempco" pin, but pin #10 on the 3374
> is a temp. sensor output thing, +2.5V @ 3300 ppm it says.
>
> > But using a 3340 tempco output (buffered) is a *clever* idea!
>
> Uh, thanks, I can't imagine no-one has thought of it before... ?
>
> Is it do-able with the 3374 d'you think? I have one spare that I
> bought for the Nebulus project, and I want to put it to good use.
>
> peace and luv,
> Hallgeir
> --
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>  Hallgeir Helland   hhelland at mailandnews.com
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