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150 Chapter 5
Analog Measurements - Screens and Control Fields
Sensitivity (RF analyzer) Sensitivity (spectrum analyzer)
Sensitivity (RF analyzer)
RF analyzer sensitivity adds about 6 dB of sensitivity for the ANT IN
port when High
is selected and the Input Atten field is set to 0 dB.
Operating Considerations
Selecting High sensitivity may cause spectrum analyzer measurements
to be uncalibrated when the ANT IN port is used (a message appears
when this occurs).
High-level AM measurements may be distorted when high sensitivity is
used with the ANT IN port.
Screens on which this field is displayed
RF ANALYZER
Sensitivity (spectrum analyzer)
This area performs two functions:
• The lower field selects the vertical resolution of the display. You can
choose from 1 dB, 2 dB, or 10 dB per graticule.
• The upper field selects Normal or High sensitivity for the RF input.
The High setting adds about 6 dB of sensitivity to the ANT IN port
(when the Input Atten field is set to 0 dB) for looking at very low
level signals. However, this setting can cause measurements to be
uncalibrated (indicated by a message on the screen). High
sensitivity can also cause high-level AM signals to be distorted.
Screens on which this field is displayed
SPEC ANL: auxiliary controls menu
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