Racal Instruments 3155 Spezifikationen PDF herunterladen (Seite 93)

User Manual 3155

3-40 ArbConnection

The Waveform

Graph

Waveforms are created and edited on the waveform graph. Figure 3-

17 shows an example of a waveform created using the equation

editor and the anchors to limit generation of the waveform between

points 100 and 900. The elements of the waveform graph are de-

scribed below.

The waveform screen has two axes – vertical and horizontal. Both

axes are divided into points.

The vertical axis is labeled from –8192 through 8191 for a total of

16,384 point. This number represents 14 bits of vertical resolution.

The horizontal axis by default has 1000 points (from point 0 to 999).

This number can be changed using the Wave Length field on the

Toolbar. The wave composer lets you define the horizontal axis to a

maximum size of 1,048,575.

Figure 3-46, The Waveform Screen

Notice on the left and right top of the graph there are two triangles

pointing to the center of the screen. These are the anchors. The an-

chors are used as the start and end pointers to where the waveform

is created. For example, to create a sine waveform between point

100 and point 500, place the left anchor at point 100 and the right

anchor at point 500 and then generate a sine from the built-in library.

There are two ways to control anchor placements.

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Racal Instruments 3155 Spezifikationen Seite 93