[sdiy] Sub for LM324?

[Bill Berzinskas]

for example, the syntom, syncrash, synchime circuits,,
all drum tone.. seem to me to be a similar design, also similar to some 
other things i've saw..

----- Original Message ----- 
From: "James Patchell" <patchell at cox.net>
To: <synth-diy at dropmix.xs4all.nl>
Sent: Monday, February 21, 2005 1:25 PM
Subject: Re: [sdiy] Sub for LM324?


> It depends on the circuit.  In general, yes, any opamp can sub for any 
> other opamp.  However, the LM324 is rather unique in that the common mode 
> input range of the inputs can go down to the voltage at the negative 
> voltage terminal (Pin 11).  If the design takes advantage of this feature, 
> then the answer is no.  I would have to see the specific circuit to give 
> you a firm answer.
>
> At 12:57 PM 2/21/2005 -0500, Bill Berzinskas wrote:
>>Can I just sub any opamp for a lm324?   i'm looking at some drum tone 
>>schems, and most are 324..  whats the differences here?
>>
>
>         -Jim
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