User`s guide

5-17
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 Ω terminations on Test Ports 1 and 2