[sdiy] uA726 transistor array

[Jay Schwichtenberg]

Ian,

I did say that it was for an expo converter. Maybe he didn't understand as
you said.

If I remember correctly it was something to do about noise.

Jay

> -----Original Message-----
> From: owner-synth-diy at dropmix.xs4all.nl
> [mailto:owner-synth-diy at dropmix.xs4all.nl]On Behalf Of Ian Fritz
> Sent: Sunday, October 13, 2002 1:32 PM
> To: Jay Schwichtenberg; synth-diy at dropmix.xs4all.nl
> Subject: RE: [sdiy] uA726 transistor array
>
>
> At 12:59 PM 10/13/2002, Jay Schwichtenberg wrote:
> >A couple of years ago I ask the app engineer at That about using their
> >transistor arrays in a heated expo converter. He said that
> heating the chip
> >would create thermal issues which would make their chip
> unusuable in an expo
> >circuit. Can't remember if it was thermal noise or what.
> >
> >Would there be issues like that for other transistor arrays?
> >
> >Jay
>
>
> I doubt the That arrays would have any significantly different
> temperature
> response from any other array -- they all have to follow the standard
> semiconductor device equations.  Perhaps the engineer you talked
> to didn't
> understand you were refering to a differential converter. It's
> hard to see
> why else he would object to heating. Did he tell you specifically why
> heating wouldn't work?
>
>    Ian
>
>