From: jeroen@nospam.please   
      
   On 2021-08-26 02:39, Phil Allison wrote:   
   > Jeroen Belleman wrote:   
   > ====================   
   >>   
   >>> ** That is odd, toroidals are usually the best with -3dB responses to   
   100kHz.   
   >>> Just the fact the secondary is wound all over the primary does the trick.   
   >>   
   >> It surprised me too. I also measured an inter-winding capacitance of   
   >> 2nF, which strikes me as high. The drop-off was a resonance dip.   
   >   
   > ** You did have a suitable resistive load on the secondary ??   
   >   
      
   Just the 50 Ohm ports of my network analyzer.   
      
   Jeroen Belleman   
      
   --- SoupGate-Win32 v1.05   
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