RF Output Level Linearity

This topic page applies to the E5080A using the Factory Recommended Variant test plan.

This test checks the output level linearity of the ENA test port output signal across the specified level range. The RF output level is measured for power level settings of –15 dBm to 16 dBm. (Ranges fluctuate with various frequency ranges. Refer to the data sheet for details). The linearity of the source power is measured and then the differences from the source power at the 0 dBm setting and the measurement values are compared.

Settings to Check

Prior to running this test, certain settings must be set on the ENA to avoid error messages and possible test failure.

Power Limit setting

Make sure that the ENA Power Limit setting is set to OFF. Although the default state for this setting is OFF, some customers may have changed this setting. To verify that the setting is in the OFF state, on the ENA go to Power > Power and Attenuators > Offsets and Limits. From the drop-down, select OFF for all ports. Verify that the state for all ports shows as OFF.

Required Test Equipment

Test Equipment
(DSG)1

Recommended Model Number2

Power meter
(PowerMeter 1)

N1914A

Power sensor 1
(PowerSensor RF 1)

E9304A Option H18
  1. The DSG (Device Substitution Group) is listed below the equipment description, if applicable. These devices are required to be mapped in TME to execute a test. DSGs require either GPIB communication or are important for dynamic measurement uncertainty calculations. N/A refers to required equipment that is not mapped as DSGs in TME.
  2. Refer to the main Required Test Equipment for a list of alternative models.

Connection Setups
  • Due to the complexity of the ENA family of analyzers, only a single representative model will be shown.
  • Some images may not apply to all models.

 

RF Output Level Linearity — High Band