From: dxmm@albury.nospam.net.au   
      
   On 21/05/14 02:17, Ian Field wrote:   
   >   
   >   
   > "Daniel"  wrote in message   
   > news:saGev.2055562$pa5.723594@fx23.iad...   
   >> On 20/05/14 07:06, Ian Field wrote:   
   >>>   
   >>>   
   >>> "Daniel"  wrote in message   
   >>> news:c5r5v.119995$nm4.52762@fx27.iad...   
   >>>> On 22/04/14 04:26, Uncle Peter wrote:   
   >>>>> On Mon, 21 Apr 2014 12:22:39 +0100, Daniel    
   >>>>> wrote:   
   >>   
   >>    
   >>   
   >>>>> But surely if it's not adjusted, then it's overcompensating when the   
   >>>>> supply is not fully loaded.   
   >>>>   
   >>>> No, in a Switched Mode Power Supply, as the load varies, it is   
   >>>> *Switched On* for more of less of the Alternating Cycle. If the   
   >>>> supply's output (Current/Voltage) is falling below the required   
   >>>> (Current/Voltage), the Switching element/transistor is switched on for   
   >>>> more of the input cycle, not the input voltage!!   
   >>>   
   >>> You must be thinking of the thyristor buck regulators in 80s colour   
   >>> tellies.   
   >>   
   >> T.V.'s were never my thing, so when you say "thyristor buck   
   >> regulators", I say, "What you talking'bout, Willis?!?!" (from American   
   >> T.V. sit-com from about the eighties!!)   
   >   
   > I'm beginning to get the impression that trying to explain it to you   
   > would be tedious and futile.   
      
   See above were I explain the operation of SMPS, which is what Uncle   
   Peter was originally talking about.   
      
   See http://en.wikipedia.org/wiki/Switch_mode_power_supply   
      
   Sorry if you consider it "tedious and futile".   
      
   Daniel   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)