R&S ZVH
Network Analyzer Mode (R&S ZVH-K42)
Evaluating the Results
Operating Manual 1309.6946.12 - 09
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6.3.1.1 Working with the Smith Chart
If you are displaying measurement results in a Smith chart (available for vector
reflection measurements), the R&S ZVH provides several special functionality.
► Press the FORMAT/SPAN key.
► Press the "Smith Chart" softkey.
The R&S ZVH shows the reflection of the DUT in the Smith chart.
Zooming the Smith chart
To take a better look at the results, you can zoom and enlarge a particular part of the
Smitch chart.
The R&S ZVH provides a 2x, 4x and
8x zoom.
► Press the SCALE/AMPT key.
► Press the "Zoom" softkey.
The R&S ZVH opens a submenu
to control the zoom function. It
also draws a rectangle on the
display that corresponds to the
parts of the display about to be
zoomed in.
The size of the rectangle depends on the zoom factor.
► Press the "Zoom Factor" softkey.
► Select the menu item with the
zoom factor you want.
The R&S ZVH adjusts the size of
the rectangle.
By default, the position of the rectangle
is the area in the center of the display.
You can also change the position of
the rectangle.
The magnitude of the shift is a percentage and ranges from -50 % to +50 % for both
vertical and horizontal directions. The zero point (0 %) in vertical and horizontal
direction is the center of the Smith diagram.
► Press the "Move X" softkey.
The R&S ZVH opens an input field.
► Enter a value between -50 % and 50 % to shift the window horizontally.
Entering negative values moves the rectangle to the left, positive values move it to
the right.
