home bbs files messages ]

Forums before death by AOL, social media and spammers... "We can't have nice things"

   sci.electronics.design      Electronic circuit design      143,102 messages   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]

   Message 141,286 of 143,102   
   Liz Tuddenham to john larkin   
   Re: coil impedance   
   19 Nov 25 09:58:33   
   
   From: liz@poppyrecords.invalid.invalid   
      
   john larkin  wrote:   
      
      
      
   > Maybe I can charge a cap and discharge it through a R+L and get a big   
   > current peak. I can measure the voltage drop across the resistor and   
   > calculate current; I think I can do the math on that one.   
   >   
   > We have some mosfets in stock that are rated for 1000 watts and 1000   
   > amps peak.   
      
   It would be much more fun if you could get hold of the equipment they   
   used to magnetise magnets: a BIG high voltage capacitor and a thyratron.   
      
      
      
   --   
   ~ Liz Tuddenham ~   
   (Remove the ".invalid"s and add ".co.uk" to reply)   
   www.poppyrecords.co.uk   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

[   << oldest   |   < older   |   list   |   newer >   |   newest >>   ]


(c) 1994,  bbs@darkrealms.ca