98 Chapter 13
Using Option BBA Baseband I/Q Inputs
Baseband I/Q Measurement Overview
C. Input a Skew value in seconds.
D. Set up the I Probe by pressing
I Probe
a. Select probe Attenuation
b. Calibrate the probe. Press Calibrate... to start the calibration
procedure. Follow the calibration procedure, clicking
Next at the
end of each step.
Step 6. If you have set the I/Q Path to
I+jQ or to Q Only, press Q Setup
A. Select whether Differential (Balanced) inputs is On or Off.
B. Select the input impedance, Input Z.
C. Input a
Skew value in seconds.
D. Set up the I Probe by pressing
I Probe
a. Select probe Attenuation
b. Calibrate the probe. Press Calibrate... to start the calibration
procedure. Follow the calibration procedure, clicking
Next at the
end of each step.
Step 7. Select the reference impedance by pressing
Reference Z, and inputting a
value from one ohm to one megohm. The impedance selected is shown
at the top of the measurement screen.
Step 8. If you using cables that were not calibrated in the probe calibration
step, press
I/Q Cable Calibrate... Follow the calibration procedure,
clicking
Next at the end of each step.
Step 9. After completing the baseband IQ setup procedures, make your desired
measurement.
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