[continued from previous message]   
      
   > enough for 'em. No, they want me to splash out on a 60 ohm one and   
   > where am I going to source one of those??   
   > And it doesn't stop there! I thought all my vintage servicing voltage   
   > reading requirements would be met when I bought an old analogue Avo   
   > with 20kohms/volt. But now it seems I need to scratch around for a   
   > 500ohms/volt one. It seems they're expecting whoever services these   
   > things to have access to an infinite range of test equipment to   
   > satisfy whatever whim the manual compiler for the equipment had at the   
   > time.    
      
   I don't think that matters all that much, really. Your VNA will   
   do fine as a signal source and a scope will do fine to measure   
   resulting signals and voltages. If really necessary, put ten ohms   
   in series with your 50 Ohm source.   
      
   Jeroen Belleman   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)