From: jl@glen--canyon.com   
      
   On Sat, 14 Feb 2026 14:18:41 GMT, Glen Walpert    
   wrote:   
      
   >On Sat, 14 Feb 2026 06:14:19 GMT, Jan Panteltje wrote:   
   >   
   >>>john larkin wrote:   
   >>   
   >> For the OP's problem I could just use a PIC 18F14K22,   
   >> Use one of its analog input channels and its DAC,   
   >> or a simple 8 bit R2R DAC with resistors on its output pins as DAC.   
   >> Do a muliply in software / asm Even done low frequency audio with it!   
   >> Singe chip 3 dollies 50 cents solution,   
   >> extremely accurate.   
   >> DIL package!   
   >> Why analog?   
   >   
   >Because he is building analog computers as a learning exercise - a very   
   >good one IMO.  I hear that competent analog designers are hard to come by   
   >these days - at least in California.   
      
   Agreed. All the analog guys are retiring and the kids who graduate   
   only know how to type.   
      
   I talk to a lot of ee students who are terrified of a 2-resistor   
   voltage divider question and have never heard of LT Spice.   
      
      
   John Larkin   
   Highland Tech Glen Canyon Design Center   
   Lunatic Fringe Electronics   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)