From: alien@comet.invalid   
      
   >john larkin wrote:   
   >>   
   >https://www.microwavejournal.com/articles/45122-the-design-of-v   
   ry-narrowband-tunnel-diode-negative-resistance-amplifiers   
   >   
   >I got excited to see this article, until I realized that they used an   
   >obsolete germanium tunnel diode from an old-parts dealer.   
   >   
   >Pity. I liked tunnel diodes.   
      
   I have a tunnel diode from ebay somewhere   
    https://www.ebay.com/sch/i.html?_nkw=tunnel+diode   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)