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Operating Precautions
Preventing Electrical Overstress Damage
Preventing Electrical Overstress Damage
Excessive RF power or voltage applied to the ports on the front panel will damage the
analyzer. Each port has a label (see photo below) that shows damage levels – these levels
must not be exceeded. Damage levels are also listed in the Specifications section of the
analyzer’s Help system. To view the Help system, see Chapter 3 , “Getting Help with Your
Analyzer.” in this document.
Two ways to protect the PNA input ports from high RF power:
1. Use power limiters at the ports. Information on limiters can be found at:
www.agilent.com/find/mta.
2. Apply the recommendations in PNA Application Note 1408-10, “Recommendations for
Testing High-Power Amplifiers,” found at:
http://cp.literature.agilent.com/litweb/pdf/5989-1349EN.pdf.
Figure 1-2. Labels Showing Damage Level for Each Port
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