[sdiy] pre Uprocessor schematics with ADC/DAC?

[Jason Proctor]

take a look at the blacet/wiard miniwave too

has AD and DA stages.

>synergy and ppg wave eh? i will go try to find those
>
>thanks guys
>
>--------------------------------------------
>check out various dan music at:
>
>  http://www.myspace.com/lossnyc 
>
>(updated monthly)
>
>http://www.soundclick.com/lossnyc.htm
>
>
>
>http://www.indie911.com/dan-snazelle
>
>(or for techno) http://www.myspace.com/snazelle
>
>ALSO check out Dan synth/Fx projects:
>
>AUDIO ARK:
>
>www.youtube.com/watch?v=TJRpvaOcUic
>
>www.youtube.com/watch?v=BqIa_lXQNTA&feature=channel_page
>
>www.youtube.com/watch?v=V4nJPjGgOcU&feature=channel_page
>
>and soundtrack/design work:
>
>NEW: check out Dan's sound design from the 1998 award winning film 
>SAFARI by catherine chalmers
>
>http://www.catherinechalmers.com/videos.cfm
>
>
>
>
>>  CC: subjectivity at hotmail.com; synth-diy at dropmix.xs4all.nl
>>  From: tom at electricdruid.net
>>  Subject: Re: [sdiy] pre Uprocessor schematics with ADC/DAC?
>>  Date: Thu, 21 May 2009 21:54:14 +0100
>>  To: lanterma at ece.gatech.edu
>>
>>  Yeah, good point Aaron - the PPG Wave is another good example. The 
>>  oscillator board is a real eye-opener once you get it.
>>
>>  I hope you enjoy it as much as I did, Dan!
>>
>>  T.
>>
>>  On 21 May 2009, at 21:37, Aaron Lanterman wrote:
>>
>>>  The Synergy is a prime example - the digital oscillator board has 
>>>  about 120 standard TTL chips.
>>>
>>>  You can find schematics/pics on my Synergy page.
>>>
>>>  But really, all that is easier now with microprocessors or FPGAs.
>>>
>>>  I think the Wave PPG had a lot of logic in the raw, but I'm not sure.
>>>
>>>  Sent from my iPhone
>>>
>>>  On May 21, 2009, at 9:28 AM, Dan Snazelle 
>>>   wrote:
>>>
>>>>
>>>>  this might be a strange request but i am very interested in ANY 
>>>>  information/links/ideas on finding old schematics from the 70's 
>>>>  (audio related but not just necessarily synth) that use Analog to 
>>>>  Digital Converters AND Digital To Analog converters but which use 
>>>>  logic instead of a microprocessor to control them.
>>>>
>>>>  all the synths i have looked at that have ADC/DAC setups have a 
>>>>  programmed brain of some kind controlling them (prophet 5, etc)
>>>>
>>>>  but i know there were some that used TTL or CMOS to send commands.
>>>>
>>>>  anyway....one particular example is the EVENTIDE H910.
>>>>
>>>>  i think i could learn some interesting things, such as how they 
>>>>  got the Audio In and Out, how they used multiplexers or sample and 
>>>>  holds, and also what types of clocks, and if they had presets,etc.
>>>>
>>>>  thanks!
>>>>
>>>>
>>>>
>>>>
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>>
>>
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