[sdiy] Sub for LM324?

[Bill Berzinskas]

just lookin for something to do today..   no lm324s in the bin..  so seeing 
if i could make it work.,..


on a side note..  can someone point me to some good analog drum schematics? 
i've got 808, 909, 606, Syn schems..  what else is out there..

----- Original Message ----- 
From: "Ian Fritz" <ijfritz at earthlink.net>
To: "Bill Berzinskas" <wberzinskas at nc.rr.com>; "James Patchell" 
<patchell at cox.net>; <synth-diy at dropmix.xs4all.nl>
Sent: Monday, February 21, 2005 2:35 PM
Subject: Re: [sdiy] Sub for LM324?


>A modern upgraded replacement is the LT1014.  (Except w/o the Xover 
>distortion!)
>
> Why, exactly, is it you don't want to use the 324?
>
>
> At 11:48 AM 2/21/2005, Bill Berzinskas wrote:
>>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
>>>
>>>***************************************************************
>>>
>>>
>>
>>
>
>
>