Service 4
U2000 Series Operating and Service Guide 71
Performance Test
Standing Wave Ratio (SWR) and Reflection Coefficient (Rho)
Performance Test
This section does not establish preset SWR test procedures since there are
several test methods and different equipment available for testing the SWR
or reflection coefficient. Therefore, the actual accuracy of the test
equipment must be accounted for when measuring against instrument
specifications to determine a pass or fail condition. The test system used
must not exceed the system Rho uncertainties shown in the following
tables when testing the U2000 Series USB power sensors.
Tab le 4- 1 Power Sensor SWR and Reflection Coefficient for the U2000A
Tab le 4- 2 Power Sensor SWR and Reflection Coefficient for the U2001A
Frequency Actual
Measurement
Maximum
Rho
SWR
10 MHz to 30 MHz 0.070 1.15
30 MHz to 2 GHz 0.061 1.13
2 GHz to 14 GHz 0.087 1.19
14 GHz to 16 GHz 0.099 1.22
16 GHz to 18 GHz 0.115 1.26
Frequency Actual
Measurement
Maximum
Rho
SWR
10 MHz to 30 MHz 0.070 1.15
30 MHz to 2 GHz 0.061 1.13
2 GHz to 6 GHz 0.087 1.19
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