Service 4
U2000 Series Operating and Service Guide 59
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.
Tabl e 4- 1 Power Sensor SWR and Reflection Coefficient for the U2000A
Tabl e 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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