Chapter 15 9100 Data Exchange Software
Managing antenna factors for EMF measurements
9102 Handheld Spectrum Analyzer Software version 5.31
249
Defining an antenna
factor
1 Open the EMF Antenna Factor menu by selecting Tools > EMF
Antenna Factor Editor...
or by pressing Alt+A or by clicking on the
icon in the menu bar: .
2 To enter an interpolation point, select
Insert.
A dialog box appears, allowing you to enter frequency and level.
3 Enter the frequency, select a unit (from hertz to gigahertz) and
enter the coupling factor (in dB). Positive factors indicate signal
attenuation, negative factors indicate gain in the signal line.
4 Close the box by pressing
OK and repeat the last two steps with as
many interpolation points as available.
The frequency-dependent compensation curve appears on the
right-hand side as values are entered.
5 If you want to change a factor, either select a line from the table on
the left-hand side and click on
Edit to change the values numeri-
cally, or point with the mouse to an interpolation point in the graph
on the right and drag it to a new position.
6 To move the whole interpolation curve up or down in steps of 1 dB,
click on the
Level Offset arrow buttons.
7 When completed, save the antenna factor values in a file on the PC:
Click on
Save, enter a file name and confirm by clicking on Save.
8Press
Cancel to close the EMF Antenna Factor Editor window.
Loading antenna factor
files to the 9102
One or more antenna factor files can be transferred to the 9102 and
reside in the internal memory of the 9102. They will not be taken into
account until they are activated.
1 Select
Instrument > Data Transfer (Ctrl-D), or in the EMF Antenna
Factor Editor menu, select
Data Transfer.
The Data Transfer menu opens.
2 In the EMF Antenna Factors tab, select a directory and file(s) on the
right-hand side and press
< copy.
The selected files are transferred to the 9102.
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