XPost: sci.electronics.basics, sci.electronics.components, sci.e   
   ectronics.design   
   From: invalid@invalid.net   
      
   > I'm pretty sure that the circuit does not function   
   > as a crystal oscillator. Is it an own invention?   
      
   I double-checked the board layout; it is as I describe.   
      
   The circuit is part of an existing video driver board that outputs ASCII text   
   to a monochrome CRT monitor. I have substituted a sine wave generator in   
   place of the crystal and the board works.   
      
   The original crystal is gone (missing when I obtained the equipment) else I   
   would have looked up the numbers on the original.   
      
   I'm not asking for evaluation of the circuit's function -- that is confirmed   
   -- only to help calculate the load on the crystal.   
      
   Thanks,   
   Dave   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)