User's Manual
Fast Fourier Transforms
TDS 620A, 640A & 644A User Manual
3Ć37
"'% !$,! & % !$ & )(!$% % )+% *"$%%
$#' + "$ (%! )& & &-!%& "! & ! & )(!$
$"$% & ,$! $#' +
)(!$ % % ! & % "$!%% ! &
) !)% !$ ($%&&+ %'$ & $#' + ! & & ! )(-
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)(!$% && '%& #'$ % ! % &$$ & '%'
!$ %'$ & $#' + ! & & ! % ( &%
Normal Waveform of an
Impulse Response
FFT Waveform of the
Magnitude Response
FFT Waveform of the
Phase Response
Figure 3Ć20:ăSystem Response to an Impulse
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& & )(!$ !'$ !% $ Math1 Math2
Math3
Operation