From: bill.sloman@ieee.org   
      
   On 31/12/2025 11:45 am, john larkin wrote:   
   >   
   > https://www.edn.com/guard-circuit-provides-impedance-matching/   
      
   The concept is perfectly sensible. The execution is about what you'd   
   expect from EDN.   
      
   https://www.wiley.com/en-be/Grounding+and+Shielding%3A+Circuits+   
   nd+Interference%2C+6th+Edition-p-9781119183747   
      
   I was very fond of the first 1967 edition, and when I ran out of   
   employers to buy it for me I bought the 4th 1998 edition.   
      
   Driven shields have been around forever.   
      
   --   
   Bill Sloman, Sydney   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)