User's Manual

Appendix B: Algorithms
TDS 620A, 640A & 644A User Manual
AĆ19
    ! $#     (  !  "!
$ & !! !$ $  !   '!
" ! !  #"    ! !   !  "(
!  $   " ! # ! #"  !  ! $ (

   "!   !  "! $ # $ ! !!
!  % '  !  "! "  &
%! !  "!  !&  !  " !
 #   ## !  !!" &
MidRef
Both min and max
samples are above
MidRef, so use
minima.
MidRef
Both min and max
samples are below
MidRef, so use
maxima.
Figure AĆ4:ăChoosing Minima or Maxima
to Use for Envelope Measurements
Missing or
OutĆofĆRange
Samples