[sdiy] Philips sells most of chip unit. Any SDIY ramifications?

[Harry Bissell Jr]

Bad news...

I got A grade samples as well... there were not
much better.  I'll stick with the NJM13600 / 13700

There are a few other little bugs... there was some
strange behavior near the Gm bias minimum point
(some kind of noise issue at a particular bias that
all the other chips did not have) and a big offset
voltage when you approach the 1mA bias point

we are not impressed...

H^) harry

--- Jay <synthbaron at tampabay.rr.com> wrote:

> Ian Fritz wrote:
> 
> > I got some directly from "On" a while back.  They
> all had excessive 
> > offset variation with Iabc.  Worse, they were all
> about the same, so 
> > there was no hope in selecting out
> high-performance units.
> 
> Maybe they save them for the "A" grade devices they
> offer.
> 
>