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Equation 2-1
Table 2-5
Test Descriptions
Input VSWR
Input VSWR
Test Description
The Input VSWR test measures the worst case VSWR over each of the
specified frequency bands detailed in the Table 2-1 on page 22. The test
measures VSWR directly from the Network Analyzer, however the
conversion below can be used if measuring return loss.
VSWR or voltage standing wave ratio can be calculated from the
reflection coefficient using the following equation:
[
1
+
---------------------- -
VSWR
=
[
1 rho
–
VSWR Frequency Test Bands
PART 1
CAL VNA 10 MHz - 1.5
OR 3.0 GHz
PART 2
TEST VSWR
10 MHz - 500 MHz
PART 3
TEST VSWR
500 MHz -1000 MHz
PART 4
TEST VSWR
1000 MHz -1500 MHz
22
]
[
rho
≅
VSWR
=
---------------- -
]
[
N8972A
N8973A
•
•
•
•
•
•
•
•
ρ
]
1
+
1 ρ
]
–
N8974A
N8975A
•
•
•
•
•
•
•
•
Chapter 2
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