[sdiy] Comparitor on Buchla 258

[Donald Tillman]

   > From: Aaron Lanterman <lanterma at ece.gatech.edu>
   > Date: Tue, 14 Jul 2009 15:19:38 -0700
   > 
   > Looking at the NPN pair in the discrete comparitor of the 258 (Q7
   > and Q8 or Q9 and Q10, depending on what version of the schematic
   > youvare looking at), I wonder - would this benefit from being a
   > monolithic matched pair, or would that be overkill?

I'd say overkill.  The circuitry around those transistors isn't very
precise.

(Hey Magnus, your web web site appears to be down... I had to use my
paper technology schematic.)

   > - Aaron
   > 
   > Sent from my iPhone

Alrighty, Aaron's got an iPhone!  :-)  

Hmmm, any Buchla iPhone apps?  First thing would be to simulate the
Buchla touchpads...

(No, I'm not serious, I'm just in a silly mood right now.)

  -- Don

-- 
Don Tillman
Palo Alto, California
don at till.com
http://www.till.com