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Keysight Technologies
Transferring Arbitrary Waveform Data to the
33200A Family of Function/Arbitrary Waveform
Generators
Application Note
Introduction Front Panel
Function Waveform Generators are The graphical interface on the
used to simulate the signals on the 33210A, 33220A, and 33250A
input of a device. A speaker test function/arbitrary waveform gen-
might require a sweep through an erators provides a simple method
audio band over several seconds, to create basic arbitrary waveforms.
or a controller may need different The front panel method works best
pulse waveforms to simulate varying on waveforms that are comprised
frequencies of a clock. However, of a few linear segments. Complex
real-world signals are not always waveforms, waveforms having many
perfect sine waves or pulses. It can segments, or waveforms with curves
be more useful to create a custom are better suited for download using
waveform or capture a real waveform, the free IntuiLink Waveform Editor
modify it and recreate the waveform software or another application.
with a function/arbitrary waveform
generator. You may even have a For this example, we will use the
complex waveform or a waveform front panel interface to create and
file that was provided for you. store a modified ramp waveform
comprised of four linear segments
We will review three methods of (Figure 1).
transferring arbitrary waveform
data to 33200A Function/Arbitrary
Waveform Generators: front panel, Volt/Div = 1 Volt
Keysight Technologies, Inc. IntuiLink Time/Div = 1 ms
Waveform Editor, and programming. 2 Point Time Voltage
value value
1 0s 0V
3
2 2 ms 3V
4 3 4 ms 1V
1 1
4 7 ms 0V
Figure 1
2
1. Select the arbitrary 5. Select whether or not to use 9. Define the next waveform
waveform function. linear interpolation. point. Press the Point # softkey
When you press to select Press the Interp softkey to enable and then turn the knob to move to
the arbitrary function, a temporary or disable linear interpolation Point #2. Press the Time softkey
message is displayed indicating between waveform points (this to set the time for the current point
which waveform is currently feature is available from the front (this softkey is not available for
selected. panel only). With interpolation Point #1). Press the Voltage soft-
enabled (default), the waveform key to set the voltage level for the
2. Start the arbitrary waveform editor makes a straight-line current point. For this example, set
editor. Press the Edit Wform connection between points. With the time to 2 ms and the voltage
softkey, then press the Create New interpolation disabled, the wave- level to 3.0 V.
softkey to edit the waveform. While form editor maintains a constant
in the waveform editor, you define voltage level between points and 10. Define the remaining wave-
the waveform by specifying time creates a "step-like" waveform. form points. Using the Time
and voltage values for each point in For this example, turn on linear and Voltage softkeys, define the
the waveform. When interpolation. remaining waveform points using
creating a new waveform, the the values shown in the table.
previous waveform in volatile 6. Set the initial number of Some helpful tips:
memory is overwritten. waveform points. The waveform
editor initially builds a waveform