Lesson 2 – Setting Up the Waveform Generator
318
Downloading the Generated Waveform to the AWG
To use the generated waveform for stimulating the ADC, you need
to download the waveform into the waveform memory of the
respective arbitrary waveform generator.
NOTE The number of data points to be downloaded is defined by the length
of the generated waveform.
To download to waveform memory:
1 Click DOWNLOAD WAVEFORM.
Download to DSP Window
2
Choose the PIN.
This is the name of the analog module pin to which the data is to
be downloaded. The pin name must be defined in the Pin
Configuration. The B
OARD (the AWG module to which the pin is
connected) is automatically entered.
Alternatively, you can also select the BOARD from the list and then
choose the pin.
3 Choose the LABEL.
This is the waveform label in the waveform memory, as defined
with the Analog Setup Tool.
4 To use the full voltage range provided by the AWG, activate USE
F
ULL SCALE OF BOARD. This yields the best signal resolution.
Alternatively, you can specify the output signal as voltages for +0.5
FS (full scale) and –0.5 FS. The ratio of the given voltage values to
the full scale output of the AWG then defines the scaling of the
waveform. (Note: When U
SE FULL SCALE OF BOARD is activated, the
given voltage numbers will be ignored.
NOTE The output voltage of an AWG module adapts to the input impedance
of the DUT. This relation has been established with the Analog Setup
Tool.
5 Click OK.
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