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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.       >                     --       "He who will not reason is a bigot;       he who cannot is a fool;       he who dares not is a slave."        - Sir William Drummond              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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