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142 Chapter 5
Analog Measurements - Screens and Control Fields
Notch Gain Offset Freq
Notch Gain
This field displays and selects the gain of the AF analyzer’s notch filter
amplifier. This amplifier is only used for making SINAD and distortion
measurements. (See the "Gain Cntl" field on page 134 for more
information.)
Screens on which this field is displayed
AF ANALYZER
Offset Freq
Frequency offset (RF generator) sets the difference between the
instantaneous frequencies of the tracking generator and the center
frequency of the spectrum analyzer.
This field is displayed only when Track
is selected in the Track/Fixed
field on the RF Gen controls menu.
Operating Considerations
The offset can be a positive or negative value. When set to zero, the
tracking generator produces a sweeping signal that matches the
spectrum analyzer’s tune frequency.
Screens on which this field is displayed
SPEC ANL: RF generator controls menu
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