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Creating and Using Math Waveforms
CSA7000 Series, TDS7000 Series, & TDS6000 Series Instruments User Manual
3- 241
Overview Control elements and resourcesSpectral math example (cont.)
Display the
spectral math
waveform
(Cont.)
H Window Type affects the shape of the spectral
analyzer response in the frequency domain; that is,
the ability to resolve frequency in the output
spectrum.
H Gate Position sets the position of the gate on the
acquired waveform. The data in the gate region is
input to the spectral analyzer. The gate position is
the time from the trigger to the zero phase
reference positi on in the gate.
H Gate Duration sets the width of the gate in
seconds, and it is inversely proportional to the
resolution bandwidth. For narrow band frequency
resolution, use a wide gate.
H Gate Length displays the number of samples over
the specified gate duration.
H Resolution BW sets the bandwidth, in hertz, of the
filters used in the spectral analysis. Resolution BW
is inversely proportional to the gate duration.
9. Touch Center Freq, and use the multipurpose knobs or
keypad to set the frequency span to 100 kHz and the
center frequency to 50 kHz (if necessary, reduce the
sample rate).