[sdiy] Re: Bottom Ten ICs

[harrybissell]

OP-77 is not a replacement for OP-07 as advertised.  The "phase reversal"
that the OP-77 HAS that the OP-07 does NOT have... cost me (my company)
a couple thousand dollars in a critical circuit failure.

Picture what 'phase reversal' does to a servo circuit controlling a heater :^P

H^) harry

Tony Clark wrote:

> > > > H^) harry (let the wild rumpus begin :^)
> > >
> > > Ok,  just wondering -- what do you have against the LM339 or the 3900?
> > >
> > Or the LM324? It sounds like Harry doesn't like any single supply devices ;)
>
>    The OP-77 is a bi-polar device, but why hate that one??  Harry's got
> some 'splainin' to do.  It makes for a great 741 upgrade!
>
>    Cheers,
>
>    Tony
>
> -----------------------------------------------------------------------
>          The E-Music DIY Archive - New Site Coming Soon!
> -----------------------------------------------------------------------
>
> "We wouldn't want to ship something that doesn't work"
>    - Carl Stork, general manager, Microsoft Windows division
>      Excerpt from EE Times April 2, 2001