From: jl@glen--canyon.com   
      
   On Fri, 26 Dec 2025 17:51:55 +0000, Cursitor Doom    
   wrote:   
      
   >On Fri, 26 Dec 2025 07:09:09 -0800, john larkin    
   >wrote:   
   >   
   >>   
   >>https://www.ti.com/product-category/power-management/dcdc-modu   
   es/isolated/products.html   
   >>   
   >>These things are tiny, cheap, and switch at 64 MHz!!!!   
   >   
   >So what? What's the advantage of a high switching frequency beyond a   
   >small transformer and how bad's the spurious RF output?   
      
   Small and cheap are good. Especially small.   
      
   And I can lowpass filter 64 MHz easier than 100 KHz.   
      
   ICs, especially TI ICs, are taking over formerly discete, big,   
   expensive functions. Micromirrors, BAW, magnetics, GaN. Fun stuff.   
      
      
   John Larkin   
   Highland Tech Glen Canyon Design Center   
   Lunatic Fringe Electronics   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)