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   sci.electronics.basics      Elementary questions about electronics      72,318 messages   

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   Message 71,317 of 72,318   
   Peter Percival to default   
   Re: Thermionic valve projects?   
   17 Jul 19 21:30:45   
   
   From: peterxpercival@hotmail.com   
      
   default wrote:   
      
      
   > And he says nothing of what he wants to build, chances are it wouldn't   
   > require the iron of a MOT to carry the VA required.  Then too we had   
   > some Delco car radios back in the stone ages that used 12V for the   
   > plates of the tubes and a big old (Germanium PNP) transistor for the   
   > output with a small tapped inductor to match impedance.   
   >   
   > Several tube radio schematics and a few that use 12V for the plate   
   > supply:   
      
   Where is a good place to buy such things?   
      
   > http://makearadio.com/tube/tube-radio-schematics.php   
   >   
   > another   
   >   
   > https://www.nutsvolts.com/magazine/article/may2015_Whipple   
   >   
   > Tubes to do the magic and transistors for the heavy lifting.   
   >   
      
      
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