Circuitbenders Forum

Circuitbenders Forum => Parts, Components, Unbent machines & Junk => Topic started by: Dylan on August 21, 2009, 03:20:28 AM

Title: LM324 mixer?
Post by: Dylan on August 21, 2009, 03:20:28 AM

I have an LM324N IC and I was wondering if there is any way I can make a small mixer out of it. I have the datasheet here http://www.national.com/ds/LM/LM324.pdf (http://www.national.com/ds/LM/LM324.pdf) and it says inputs and output(s) but I don't know anything about making stuff like this.

Title: Re: LM324 mixer?
Post by: Circuitbenders on August 21, 2009, 01:11:45 PM

Thats a quad op-amp, which is exactly the same as the single op-amp version of that chip, only with 4 of them.

You could concievably use it as part of a mixer circuit but its not going to do anything useful on its own, and its probably overkill for a simple mixer.

The mixer circuit below uses an LM837 which is also a quad op-amp but it only uses one of the opamps,.

(http://wiredworld.tripod.com/tronics/mixer_mixer.png)

You should really do some reading on basic electronics before you attempt stuff like this. It'll really help in the long run.

Title: Re: LM324 mixer?
Post by: Dylan on August 26, 2009, 02:03:57 AM

Thanks man; this thing's coming along nicely :D

Title: LM324 mixer?
Post by: larabond3 on February 03, 2010, 12:00:21 AM

It will probably work... I've never tried it is all. I had a stash of TL074s when I was working on the Klee,so the part pretty much chose itself. Give it a whirl..I'd be interested to know if it works or not.