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Creating and Using Math Waveforms

CSA7000 Series, TDS7000 Series, & TDS6000 S eries 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).

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