Agilent Technologies 8753ET User Manual page 293

Optimizing Measurement Results
Reducing Noise
Noise Floor Plot
Figure 5-2 shows the noise floor with the B sampler and PORT 2 SWITCH/ COUPLER port jumpers
positioned to increase the dynamic range of the analyzer.
Figure 5-2 Noise Floor Plot
System Parameters
• Full two port calibration
• 401 points
• 10 Hz IF BW
• Averaging ON
• Averaging factor 128
• RF power level 10 dBm
• RF power increased to +10 dBm after calibration
• 50  terminations on Test Ports 1 and 2
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