[continued from previous message]   
      
   >resistance.   
      
   If you are externally *driving* G2 then you need a low source   
   impedance but a large value Rg2 is not 'driving' G2, the voltage   
   produced is the *result* of G2 current. G2 does the 'driving'.   
      
   That's akin to bitching that Rl on a triode is 'too high an impedance'   
   to 'drive the plate'.   
      
      
      
   >   
   >Patrick Turner.   
   >   
      
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