User's Manual
Appendix B: Algorithms
TDS 620A, 640A & 644A User Manual
AĆ15
Negative Width
"%"& %+-*%&, ! "+,& ,"% ,/& MidRef -$,
%($",- ('"&,+ ' & ,". (-$+
MCross1Polarity
,!&
NegativeWidth (MCross2 MCross1)
$+
NegativeWidth (MCross3 MCross2)
Peak to Peak
%($",- %+-*%&, ! +'$-, "*& ,/& ,! %0"%-%
& %"&"%-% %($",-
PeaktoPeak Max Min
Period
"%"& %+-*%&, "% ,#& '* '& '%($, +" &$ 1$ ! *"(3
*'$ ' *)-&1 +-* "& +'&+
Period MCross3 MCross1
Phase
"%"& %+-*%&, ! %'-&, ' (!+ +!", 0(*++ "& *+ '
,! ,* , /.'*% 1$ ,/& ,! MidRef *'++"& + ' ,/' "*&,
/.'*%+ .'*%+ %+-* +!'-$ ' ,! +% *)-&1 '* '&
/.'*% +!'-$ !*%'&" ' ,! ',!*
!+ "+ -$ /.'*% %+-*%&, ,!, "+ ", "+ %+-* *'% ,* ,
/.'*% ,' **& /.'*% ' , +("" (!+ %+-*%&,
1'- %-+, +("1 ,! ,* , & **& +'-*+
!+ "+ ,*%"& "& ,! '$$'/"& %&&*
! "*+, MidRefCrossing (MCross1Target) & ,!"* (MCross3) "& ,!
+'-* ,* , /.'*% * '-&
! (*"' ' ,! ,* , /.'*% "+ $-$, + 2*"' '.
! "*+, MidRefCrossing (MCross1Ref) "& ,! **& /.'*% *'++"&
"& ,! +% "*,"'& ('$*",1 + ,!, '-& MCross1Target '* ,! ,* ,
/.'*% "+ '-&
! (!+ "+ ,*%"& 1 ,! '$$'/"&
Phase
MCross1Ref * MCross1Target
Period
360