Creating and Using Math Waveforms
3- 206
CSA7000B Series & TDS7000B Series Instruments User Manual
Swept Sine Wave Analysis. Many applications of the spectral analyzer require
swept sine wave input. The following equation determines the maximum sweep
speed of the sine wave generator for a given span and resolution bandwidth.
T =
(
freq span * K
)
RBW
2
T = minimum time to sweep the sine over the requested span
freq span = frequency span of interest
RBW = resolution bandwidth
K = 2 dB B W in bins for the window function in use as shown in Table 3--13 on
page 3--194. K = 2 for a Gaussian window.
Use the procedure that follows to select a predefined spectral math waveform.
Remember, a channel source must be acquiring or have acquired data. This
source does not have to be displayed to be used.
Overview To select a predefined spectral math waveform Related control elements and resources
Prerequisites 1. All channel and ref erence Waveforms and automatic
measurement scalars that you will use in your math
waveform must be available (channels and references
contain data, measurement scalars are defined, and so
on).
See page page 3--29 for acquisition setup and page 3--63
for trigger setup.
Display the
math control
window
2. From the toolbar, touch the Math button to display the
Define Math control window.
Select a
predefined
spectral
analysis math
waveform
3. Touch Mag or Phase to select a predefined magnitude
or phase spectral analysis waveform. Selecting a
predefined spectral waveform turns on display of the
waveform.
To Select a Predefined
Spectral Math Waveform
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