Appendix B: Algorithms
TDS 620A, 640A & 644A User Manual AĆ17
 %" TLR "!'!( ' &% ""! "%  %"&&! " HighRef #.
' TLR  &(&$(!' LowRef %"&&!& % "(!   HighRef %"&&.
! & "(! ' " & '  %& '  "% THR & !%
!'%#"'"!  !&&%,
 RiseTime THR TLR





 
Figure AĆ3:ăRise Time

RMS:

 #'( )"' &(% !'  '%( ""' ! $(% )"'
 Start End '! RMS  ' !'%#"' )( ' Waveform[Start]
'%*&
RMS ŕEnd
Start
Ă(Waveform(t))2dt
(End *Start) SampleInterval
Ǹ
"% '& " ' !'%'"! "%'  & "*

Integration Algorithm

 !'%'"! "%' (& , ' '-! "&"&"# & & ""*&
ŕ
 & ##%"+ ' , ŕ
 *%