Aries black boxes (frustration!)

Tony Clark clark at andrews.edu
Thu Feb 13 21:08:03 CET 1997


   Okay, I've been trying to decipher a bunch of Aries ciruits, and I 
keep running across these black boxes that they put on various circuit 
boards (whether it was to prevent knowing kit builders from making their 
own modules or what).  Can anyone fill me in on the exact circuitry in 
them?
   The ones I'm referring to are the Linear CV/Exp Current generator and 
the PD-10 potted module.
   I'm having a little trouble imagining what they did to the standard 
current generator as it appears to have two outputs.  Did they just drive 
two outputs off of one transistor pair (ala normal exp generators) or did 
they use a transistor for each output?
   The PD-10 looks suspiciously like a bridge rectifier, but after seeing 
the size of the black box on the circuit diagram, I can't imagine it 
being that.
   The modules in question that these are used on are the AR-317 VCO and the 
AR-329 Phase-Flanger.

   Thanks for any help lent my way.  :)

   Tony

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I can't drive (my Moog) 55!
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Tony Clark -- clark at andrews.edu 
http://www.andrews.edu/~clark
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