[sdiy] classic vco designs?

[Dan Snazelle]

i appreciate it. this later minimoog schematic...is that the one that is on http://www.hylander.com/moogschematics.html

??


i am in fact using an asm2 board right now in one of my projects. 







thanks


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> Date: Sat, 13 Sep 2008 02:40:50 +0200
> From: magnus at rubidium.dyndns.org
> To: subjectivity at hotmail.com
> CC: synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] classic vco designs?
> 
> Dan Snazelle wrote:
>> 
>> OK
>> 
>> after watching many of Aaron's lectures, i am starting to enjoy looking at and trying to understand parts of, old schematics. he has even made the buchla schematics make a little more sense!
>> 
>> my question is this
>> 
>> what are some of the most important designs to look at and really force myself to spend some time with?
>> 
>> moog 921?
>> buchla 259?
>> 
>> earlier? later? more obscure companies that i might not know about?
>> i notice the moog schematics are a jumble of transistors...can i learn much from those? what about ARP or roland or yamaha? what are some classic designs from those companies that might teach me some things? and i have the early electronotes now so i can contrast and compare. (ens73/74/76)
>> 
>> 
>> obviously much of what i see when i look at these schematics goes right over my head. but i am starting to understand things like integrators, buffers, OTA's, comparators, summers, etc. i think this would be good homework for me (and maybe for others)
>> 
>> 
>> so any have any assignments for me?
>> 
>> 
>> thanks so much
> 
> I think you should start out with the ASM-1 schematics. They should be 
> pretty straight forward, but provide you with enought food for thought 
> to start with. Once you start to feel comfortable with those, learn to 
> expand from that. Compare with the SEM, look at the late MiniMoog 
> schematic etc. Build your knowledge base up. Dwelling into the innars of 
> Buchla schematics is interesting, but maybe a bit dawnting to start with.
> 
> The Moog ladder and similar devices is a specific threshold to overcome.
> 
> Cheers,
> Magnus