YBA250 Antenna and Transmission Line Analyzer User Manual

Mask Testing
Saving a Mask
1. Tap the Save button. If this is a new mask that has not been saved
before, the instrument opens the Save As window.
2. Enter the mask file name in the Name field.
3. Tap OK.
4. To save a mask to a different file name, tap the Save As... button
and enter the new mask file name.
Loading a Mask
You can load a saved mask to use for mask testing or as the starting
point for creating a new mask.
1. Tap the Open.. button to display the Open window.
2. Select the mask file to load from the displayed list.
3. Tap OK.
Mask Maker Guidelines
A mask consists of one or more traces, with each trace containing
at least one point.
You can add as many points as you want to a mask trace.
You can place as many traces on a mask as you want.
The selected point on a mask trace is indicated by a circle. Other
points are indicated by a square.
A mask trace does not have to cover the entire test frequency
range. Signal points at frequencies that don’t have associated
mask points are not tested for violations. This allows you to
check only those parts of the signal that are critical to your
specific measurement, for example the attenuation in adjacent
channels.
If you place points outside the visible area of the graph, tap the
rescale button to bring all points into view.
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