[RFI] F-240 Ferrite Core source?

Donald Chester k4kyv at hotmail.com
Sun Mar 12 22:27:33 EST 2006

>From: "Ed Swynar" <gswynar at durham.net>

>Take a trip to your local TV repair shop, & ask if you might do some
>dumpster diving therein...!

You guys still have TV repair shops up there?  I haven't seen one of those 
in years.  Nowadays everybody just assumes a TV set is a throw-away item.  
When TV's quit using tubes, most of the repair shops shut down, or moved 
onto other things like computer repair.  Solid state TV's usually run 4-5 
years before showing signs of trouble, so people just replace them when they 

When I was a kid, I used to regularly pull discarded TV chassis from the 
junk pile behind a local TV shop.  Tube type TV's were a good source of 
parts, and a couple of HV power supplies wired in series would produce about 
750 volts at 300-400 milliamps, enough to run a 100 watt plate modulated 

Don k4kyv

Don k4kyv


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