User`s guide

62 E6651A User’s Guide
4 Signal Analyzer Mode
Amplitude Menu
The Amplitude Menu is used to adjust values related to
input power including the Amplitude, Attenuation, Reference
Level, Scale and Amplitude Offset. Access the Amplitude
Menu by pressing Amplitude on the Front Panel.
Figure 35 Amplitude Menu
Amplitude Use to adjust the output signal power.
Attenuation The input attenuation is automatically adjusted based on the
reference level to protect the first stage mixer and ensure
linearity. Select Attenuation to manually adjust the input
attenuation.
Reference Level Use to set the power level displayed at the top of the
Spectrum Analysis Screen.
Scale Use to adjust the power level scale on the Spectrum Analysis
Screen.
InPower Offset
and OutPower
Offset
Use to adjust the offset power for the measured power level.
This function is used to compensate for cable loss and other
discrepancies between the Test Set and the Device Under
Test.