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Chapter 4 105
Overview of the Test Set’s Built-In Tools
Using the RF Tools Program
SA (Spectrum Analyzer) Self Calibration ON/OFF
This menu item allows you to check the calibration status of the Test
Set’s spectrum analyzer, and change the status if you desire.
Figure 4-22 SA Self Calibration OFF/ON Screen
The RFTOOLS program uses the Test Set’s internal spectrum analyzer
for making swept network analyzer measurements. The internal
spectrum analyzer performs an automatic self calibration every 5
minutes. This automatic self calibration ensures that the spectrum
analyzer operates within specified limits regardless of the operating
temperature. However, this self calibration can introduce inaccuracy in
spectrum analyzer output after the Test Set is operating at a constant
temperature (after approximately 30 minutes).
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