[sdiy] Sub for LM324?

[Bill Berzinskas]

this one is another example

http://m.bareille.free.fr/ds7clone/ds7.htm

----- Original Message ----- 
From: "Bill Berzinskas" <wberzinskas at nc.rr.com>
To: "James Patchell" <patchell at cox.net>; <synth-diy at dropmix.xs4all.nl>
Sent: Monday, February 21, 2005 1:48 PM
Subject: Re: [sdiy] Sub for LM324?


> 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
>> ***************************************************************
>> http://www.oldcrows.net/~patchell
>>
>> ***************************************************************
>>
>>
>>
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