[sdiy] My latest Synth Project:NOOTA

[Jim Patchell]

Well, if I used an LM13700, then it would not be a NOOTA, it would be a 
cheezy synth board.
http://www.noniandjim.com/Jim/SMBCheezy/SMBCheese.html

I do not use any Blackmer IC chips.  All the blackmer cells are 
implemented with 4 transistors and one op amp.  I am getting tired of 
having chips ripped out from under me.  So, the idea of this project was 
to use as generic parts as is possible.  The only two "odd ball" parts 
on the board are the ATmega328 and the MAX551.

Everything else is pretty generic.  Dual op amps, LM311, DG201, 2N3904, 
and the 2N3906.

Can't get much simpler than that.

-Jim

On 8/2/2014 3:25 PM, Jack Jackson wrote:
> So why not use some LM13700? Surely that's more common than the blackmer cell stuff
>
> Sent from my iPhone
>
> On 2 Aug 2014, at 19:56, "Jim Patchell" <patchell at cox.net> wrote:
>
>> I decided it was high time that I build something again.
>>
>> Back in 1998 I did this project.
>>
>> http://www.noniandjim.com/Jim/smb1/smb.html
>>
>> Today, I am working on this one:
>>
>> http://www.noniandjim.com/Jim/SMBBM/BMSMB.html
>>
>> NOOTA stands for NO Operational Transconductance Amplifiers.
>>
>> One way to think of the NOOTA board is an ASM-1 that has been Noota'd.
>>
>>
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