3152B User Manual
Publication No. 980935 Rev. A
3-16
Operation
EADS North America Test and Services
Standard
Waveform
Parameters
The built-in library of standard waveforms provides basic waveform
shapes. First select the basic shape, and then specify the waveform
parameters to create the finished waveform to fit your requirements.
For each standard waveform shape, you may adjust the frequency,
amplitude, and offset. Some wave shapes have additional
parameters available. For example, you may set the starting phase
for a sine wave, or the rise and fall time for a ramp waveform.
The following example demonstrates how to select a standard pulse
waveform and set its parameters:
*rst
Restores factory defaults.
func:mode fix
Sets the output function to the
standard built-in library of waveforms.
This is also the default function mode
so if you are using the reset command,
there is no need to re-select this
function.
func:shap puls
Selects the pulse waveform
puls:del 0
Sets the delay value to 0 s
puls:wid 20
Sets the pulse width to 10%,
expressed as a percentage of the
waveform period.
puls:tran 3
Sets the rise time (leading edge) to
3%, expressed as a percentage of the
waveform period.
puls:tran:tra 5
Sets the fall time (trailing edge) to 5%,
expressed as a percentage of the
waveform period.
freq 5e3
Sets the frequency of the pulse
waveform to 5 kHz (5e3 Hz).
outp 1
Turns the output on.
You may use similar command sequences to program other
waveforms and their parameters. Table 5-1 lists the complete set of
commands for setting waveform parameters.
Using the Apply
Command
The Apply command is a shortcut for setting up standard
waveforms and their parameters without having to program each
parameter individually. This also selects the waveform as the active
signal at the output connector. It does not, however, eliminate the
need for turning on the output. You may use the Apply command on
a waveform from the built-in library or on waveform segments that
are pre-loaded with arbitrary waveforms. Sequenced and
modulated waveforms are not supported by the Apply command.
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