TE5251
User Manual
3-76
The 3D composer has three main sections: Shared horizontal
Controls, Vertical Controls and Graphical Screens. The panels on
the left are used for designing the waveform parameters and the
screens on the right side depict the shape of the profile. Below find
a detailed description of all of these sections. Refer to Figure 3-55
throughout the description.
Shared Vertical Parameters
The
Shared Horizontal Control
has two tabs:
View
and
Parameters
.
View
The
View
tab is useful if you are interested in programming 1 or two
profiles only and do not care to see other screens. Check the boxes
for the profiles you wish to program only and these will be shown on
the screen. For example, if you check the Amplitude and the
Frequency options, the Phase screen will not be visible.
Parameters
The
Parameters
tab is used for setting up the duration of the signal,
the position of the marker (if required) and the amount of memory
that is allocated for this purpose. Setting up correctly the
parameters in this group is the basic and the most important task
before you start designing 3D waveforms. The duration can be set
in units of ns, us, ms and seconds and can be programmed within
the range of 800 ns to 30,000 s.
The 3D profiler behaves just like an arbitrary waveform. The shape
of the profiler is generated using waveform points and a dedicated
3D sample clock. So, just as the basics for an arbitrary waveform
design, the duration is derived from the following relationship:
Duration = SCLK / # of waveform points
where SCLK is the 3D sample clock and the # of waveform points
can be programmed from 2 to 30,000.
Figure
3-56, the Parameters Tab
Summary of Contents for 5251
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