[sdiy] Sub for LM324?

[Blandon Ray]

Well, someone must still be using these things... yesterday my boss
had a video card die in his Dell PC - a brand new PCI Express unit, no
less - and as I was absent-mindedly looking at the card and turning it
over, a 14-pin chip happened to catch my eye. You guessed it - LM324.

Blandon

> On Tue, 22 Feb 2005 18:27:39 +1030, Batz Goodfortune
> <batzman-nr at all-electric.com> wrote:
> > Y-ellow Harry 'n' all.
> >
> > At 11:15 PM 2/21/05 -0800, harrybissell wrote:
> > >Back 2u Batz (inline)
> > >
> > >Batz Goodfortune wrote:
> > >
> > > > Y-ellow Harry, Jim, Bill, 'n' All.
> > > >
> > > > At 03:37 PM 2/21/05 -0800, Harry Bissell Jr wrote:
> > > >
> > > > >huh ?   I'd just say that if a BBD had a very GOOD
> > > > >life (karma) it would come back as an LM324...   :^P
> > > > >
> > > > >H^) harry
> > > >
> > > > Harry, They make good voltage buffers. Specially where single rail supplies
> > > > are used. Envelope Generators are a good example.
> > >
> > >Hah... I HAD them in my envelope generators (dual supply)... they latched up.
> > >After several years, I might add.  Everything was FINE, then one day they
> > >would
> > >trigger
> > >once, then latch until power was removed.
> > >
> > >(ok so NOW I know why that happened...)
> >
> > Obviously I need to refrain from using dramatic but subtle irony in future.
> > Here's the sledge hammer. Take it. May it serve thee well.
> >
> > >But the funny thing was... once it happened no LM324 would work again... even
> > >NOS of the same ILK (a small moose, btw).
> >
> > Yes. Though small they can still hurt should you run into one of their
> > kind. Particularly at high speed with your headlights off. Or in a Pacific
> > fleet submarine.
> >
> > >NO they don't especially for the crossover distortion.  For those who LIKE
> > >distortion, you will NOT like x-over distortion... it is a constant level at
> > >zero cross
> > >so that a large signal sounds OK but a small one sounds like the aftermath
> > >of a
> > >
> > >boston-baked-bean dinner !
> >
> > Ah. The sweet sound of renewable energy.
> >
> > >Ack... awfil lot of input bias current for that... I tried them in a NON
> > >integrating
> > >S/H as a buffer and was amused to see the caps drift UP when in hold mode...
> > >live and learn :^)
> >
> > That's only because you didn't do it on a plug-in breadboard next to a
> > power transformer. Ah. The dulcet tones of a BBD built on a breadboard and
> > a microphone pre-amp built with 324s. There's nothing quite like it.
> >
> > >I used them in one of my most successful industrial designs... now in the
> > >seventh
> > >incarnation (do one REALLY good design, then milk it for all its worth !) That
> > >was a single supply 24VDC design, and the LM324 was my first choice for the
> > >deed !!!
> >
> > See. So you admit it. There WAS a use for them after all. That must make
> > half a dozen at least.
> >
> > >1: Freshly dead... makes a great little hotplate. Make fried hummingbird's
> > >eggs
> > >on it
> >
> > Yup. I concur. But use the mil-spec ones in the ceramic packages. It's not
> > that I mind the taste of plastic but the ceramic ones have a more even heat.
> >
> >
> > >or how about...
> > >
> > >Why do BBDs sound so bad ???
> > >
> > >So blind people can hate them too...
> >
> > That's why Ray Charles use to rock back and fourth and grit his teeth. He
> > wasn't smiling. He was in pain. "What the hell IS that noise boy?"
> >
> > I found a really cool delay line the other day. I called my mate's
> > hands-free car-phone from my own mobile. WHILE I was sitting in his car.
> > I'll leave it to your imagination as to how much fun that was.
> >
> > Be absolutely Icebox
> >
> >   _ __        _       ____ International Nihilist ____
> > | "_ \      | |
> > | |_)/  __ _| |_ ____       ALL ELECTRIC KITCHEN
> > |  _ \ / _` | __|___ |Your source of Armageddon in a musically crass world
> > | |_) | (_| | |_  / /
> > |_,__/ \__,_|\__|/ /   Disgusting-> http://all-electric.com
> >                  / ,__  Music -----> all-electric.com-click music/download
> > Goodfortune    |_____| Cult  -----> http://www.subgenius.com
> >
> >
>