Configuring the Internal Baseband Source
R&S
®
SMBV100B
168User Manual 1178.4460.02 ─ 03
datory tags are added and the data is packed into the WAVEFORM tag. As result, the
waveform file SICO.wv is generated.
This example follows the general principle of creating of a waveform manually, using
the tag file format. The Figure 3-13 illustrates this general workflow.
Figure 3-13: Principle of creating a waveform manually
The following steps outline how to create the waveform file SICO.wv:
1. Calculate the sine and cosine values, e.g. use the SICO.cpp program.
The result is stored in the file SICO.txt.
Figure 3-14: Contents of SICO.txt: first column Sine (I), second column Cosine (Q)
2. Convert the values from the file SICO.txt into binary format consisting of 16-bit
signed integer numbers. The numeric range between –1.0 and +1.0 corresponds to
the modulation range of the waveform 16-bit D/A converter of -32767 to +32767.
Using the Arbitrary Waveform Generator (ARB)
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