Changing the I/Q Polar Window

Making Measurements

Making the Spectrum (Frequency Domain) Measurement

Scale Coupling - Allows you to toggle the scale coupling function between On and Off. The default setting is On. The Restart front-panel key or Restart softkey under the Meas Control menu, this function automatically determines the scale per division and reference values by the measurement results.To manually set either Scale/Div or Ref Value values, Scale Coupling must be Off.

Changing the I/Q Polar Window

If the I/Q Polar window is active in the I/Q Polar view, the SPAN X Scale key or the AMPLITUDE Y Scale key access a menu to modify the following parameters:

I/Q Scale/Div - Allows you to set the vertical and horizontal scales by changing the value per division. The range is 1.00 nV to 20.00 V per division. The default setting is 100.0 mV.

I Origin or Q Origin - Allows you to set the reference value ranging from −250.00 to 250.00 V. The default setting is 0.00 V.

Selecting Displayed Traces Within Windows

The View/Trace key allows you to access the Trace Display key to reveal the trace selection menu. The currently selected trace type is shown on the Trace Display key.

All - Allows you to view both the current trace and the average trace.

Average - Allows you to view only the average trace (in blue color).

Current - Allows you to view only the trace (in yellow color) for the latest data acquisition.

Chapter 4

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Agilent Technologies E4406A Changing the I/Q Polar Window, Selecting Displayed Traces Within Windows, Making Measurements