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Chapter 5 89
Dual Arbitrary Waveform Generator
Arbitrary (ARB) Waveform File Headers
Creating a File Header for a Modulation Format Waveform
When you turn on a modulation format, the PSG generates a temporary waveform file
(AUTOGEN_WAVEFORM), with a default file header. The default header has no signal generator settings
saved to it.
This procedure, which is the same for all ARB formats, demonstrates how to create a file header for a
Custom digital modulation format.
1. Preset the signal generator.
2. Turn on the Custom modulation format:
Press
Mode > Custom > ARB Waveform Generator > Digital Modulation Off On to On
A default file header is created, and the temporary waveform file (AUTOGEN_WAVEFORM) plays.
Figure 5-1 shows the PSG’s display.
Figure 5-1 Custom Digital Modulation First-Level Softkey Menu
At this point, a default file header has been created, with default (unspecified) settings that do not reflect
the current signal generator settings for the active modulation. To save the settings for the active
modulation, you must modify the default settings before you save the header information with the
waveform file (see “Modifying Header Information in a Modulation Format” on page 90).
NOTE Each time an ARB modulation format is turned on, a new temporary waveform file
(AUTOGEN_WAVEFORM) and file header are generated, overwriting the previous
temporary file and file header. Because all ARB formats use the same file name, this happens
even if the previous AUTOGEN_WAVEFORM file was created by a different
ARB modulation format.
First-Level Softkey Men
u
(Some ARB formats
have a second page)