1 Operation and Service Guide
30 Keysight E4412A and E4413A Operating and Service Guide
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 Table 1-5 when testing the E4412A, or in Table 1-6 when
testing the E4413A.
[a] Specifications apply to instruments with serial prefix US3848/MYxxxxxxxx/SGxxxxxxxx and above. For earlier instruments, refer to Appendix A.
[a] Specifications apply to instruments with serial prefix US3848/MYxxxxxxxx/SGxxxxxxxx and above. For earlier instruments, refer to Appendix A.
Table 1-5 Power sensor SWR and reflection coefficient for the E4412A
[a]
Frequency System Rho uncertainty Actual measurement Maximum Rho
10 MHz to <30 MHz ± 0.010 0.099
30 MHz to <2 GHz ± 0.010 0.070
2 GHz to <6 GHz ± 0.010 0.078
6 GHz to <11 GHz ± 0.010 0.091
11 GHz to 18 GHZ ± 0.010 0.119
Table 1-6 Power sensor SWR and reflection coefficient for the E4413A
[a]
Frequency System Rho uncertainty Actual measurement Maximum Rho
50 MHz to <100 MHz ± 0.010 0.095
100 MHz to <8 GHz ± 0.010 0.087
8 GHz to <18 GHz ± 0.010 0.095
18 GHz to 26.5 GHz ± 0.015 0.115
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