[sdiy] Sub for LM324?

Bill Berzinskas wberzinskas at nc.rr.com
Wed Feb 23 21:39:50 CET 2005


well.. apparently rat shack has them so i picked up 2..  we'll see what 
happens.. :-P

----- Original Message ----- 
From: "Blandon Ray" <blandoon at gmail.com>
To: "Synth-DIY List" <synth-diy at dropmix.xs4all.nl>
Sent: Wednesday, February 23, 2005 11:18 AM
Subject: Re: [sdiy] Sub for LM324?


> 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
>> >
>> >
>> 





More information about the Synth-diy mailing list