Source Calibration Measurement

Calibrate Point/Stop Calibration

Runs a single pass of the calibration operation using the frequency, bandwidth, source amplitude and analyzer input range data defined in the Calibration Point Data Table.

Calibration Point Data Table

Displays the calibration point defined in the Calibration Wizard Setup. You can change the frequency, bandwidth, source amplitude, and analyzer input range of the point during a continuous calibration measurement (Start Preview).

Start/Stop Preview

Starts and stops a continuous calibration. Continuous calibration allows you to change the frequency, bandwidth, source amplitude, and analyzer input range of the point to check for spurs or overlapping conditions between comb calibrator and LO frequency bands by making adjustments to point frequencies, etc.

Pass Threshold

Sets the pass/fail threshold for the calibration's magnitude mean channel response.

Calibration Settings

Contains the same Source Calibration Settings that were in the Calibration Wizard Setup dialog. It may be useful to adjust these settings during continuous calibration to optimize the calibration.

Show IQ Imbalance Graphs

Shows or hides the IQ Imbalance calibration result graphs for the source calibration. IQ imbalance is often an indicator of mismatched cabling or other system connection problems that may introduce group delay. You may want to temporarily view these graphs, then hide them again to get a better view of the signal's mean channel response. The yellow and blue plots represent the I and Q signals, and the green plot represents the compensated result after calibration.

Calibration Results (Graphs)

Displays the signal's magnitude and phase mean channel response. For source calibration, the Calibration Wizard performs a two-step process where the signal is first measured (yellow plot). The second pass (green plot )is a signal that is compensated for impairments based on the first measurement. There is also an ideal signal (gray plot) that appears briefly but is covered by the optimized signal.