Sequoia / Tahoe Series User Manual California Instruments
214 M447352-01 REV-A
WAVEFORM Selects the waveform for the output voltage: either standard
waveforms for sine wave, square wave, clipped-sine wave; or
user-defined waveforms. The default is a sine wave.
The standard waveforms are always available, and do not
consume any of the user-defined waveform memory registers;
they are always displayed in the waveform list. The clipped-sine
waveform has a waveform where the peak amplitude of the
positive and negative alternation is clipped (flattened
appearance). The level of clipping is dependent on the amount of
harmonic distortion present in the output waveform. An additional
programmable parameter, CLIP % THD, is available for setting
the percentage of total harmonic distortion (THD); the range is 0-
43%.
The user-defined waveforms could be selected from up to fifty
waveforms in one of four groups (group 0-3, totaling 200
waveforms) that are active. The waveform group that is active at
the power-on of the unit could be selected with the SCPI
command, PONSetup:WGRoup <n>, through the digital
interface. For information on generating user-defined waveforms
and their selection, refer to the Sequoia Series Programming
Manual P/N M447353-01 or the Sequoia Virtual Panels GUI; refer
to AMETEK PPD website, www.programmablepower.com, to
download the latest version.
NOTE: Waveform settings are not available in the DC mode of operation
Figure 5-205. Waveform Settings – AC mode
RANGE Selects the 166 VAC or 333 VAC range for AC mode and 220
VDC or 440 VDC range for DC-mode operation. The output must
be turned off for a change in range to be executed. The default is
low-range, 166 VAC.
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