[Amps] PSUD from Duncan Amps

Ian White GM3SEK gm3sek at ifwtech.co.uk
Thu Mar 15 17:31:45 EST 2007


Roger D Johnson wrote:
>I was using this program to play around with power supply designs
>and I noticed something strange. If I expand the trace and look at
>the ripple component, the maximum voltage reported in the panel
>on the right looks OK but the minimum voltage seems all wrong.
>Am I interpreting these voltages correctly or is there a bug in the
>program?
>

The minimum voltage will the lowest value at any time. If the time span 
includes switch-on from zero, then for sure the reported minimum value 
will look low.

The answer is to use the program's "reporting delay" feature to make it 
ignore the switch-on transients.


-- 

73 from Ian GM3SEK         'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.co.uk/g3sek


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