Additional Waveform Parameters Section
Waveform Length
It is indicator only. The length is in samples of the resulting segment.
Max. Wfm. Length
Maximum waveform length must be used to force the resulting waveform to
be shorter than or equal to the limit set by the user.
Keep Sample Rate
This check box preserves the sampling rate to a user-defined value
irrespective of the manner in which other signal parameters may be defined.
Keeping the sampling rate to a fixed value may be necessary when multiple
waveforms are created for usage in a sequence or scenario. The “Set WL to
Max” checkbox shows up when this check box is checked.
Set WL to Max
This checkbox is only available when “Keep Sample Rate” is selected. When
this option is selected, the waveform calculation algorithm always takes the
maximum waveform length as defined in the “Max. Wfm. Length”. As the
waveform length must always be identical for all four channels, it is
recommended to check the “Set WL to Max” box in case different waveforms
shall be downloaded to different channels.
Sample Rate
Final DAC conversion rate for the resulting signal. It may be set by the user or
automatically calculated depending on other signal parameters.
Scaling Section
DAC Max
Multi-Tone waveforms may occupy a limited range of the DAC’s full scale. This
parameter sets the maximum level. If set to a lower level than DAC Min, this
will be automatically set to the same level. Acceptable range for this
parameter is -1/+1, being the full dynamic range of the instrument’s DAC.
DAC Min
Multi-Tone waveforms may occupy a limited range of the DAC’s full scale. This
parameter sets the minimum level. If set to a higher level than DAC Max, this
will be automatically set to the same level. Acceptable range for this
parameter is -1/+1, being the full dynamic range of the instrument’s DAC.
Marker Mode
These controls are available when the “Single Channel with Marker” or “Dual Channel
with Marker” mode is selected in the Output tab.
Ch. 3 (Marker 1)
Marker 1 is output on Channel 3. Signaling the beginning of each segment
may be activated (Segment selection) and deactivated (None selection).
Ch. 4 (Marker 2)
Marker 2 is output on Channel 4. Signaling the beginning of each segment
may be activated (Segment selection) and deactivated (None selection).
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