S820E UG PN: 10580-00343 Rev. H 8-3
Vector Voltmeter 8-2 How the VVM Function Works
Figure 8-1 shows a block diagram comparison of the test configuration for the
traditional Vector Voltmeter instrument method (left) and the equivalent
measurement capability integrated within the Site Master in VVM mode
(right) when the S820E is used for a reflection measurement.
(Left) Vector Voltmeter and (Right) S820E Site Master Equivalent Measurement
1 S820E Site Master
2 Coupler or Splitter
3 Coupler or Bridge
4 Signal Generator
5 Vector Voltmeter
6 Reflection Measurement
7 DUT (Device Under Test)
Figure 8-1. Vector Voltmeter Reflection Measurement
1
3
5
6
2
4
6
7
7
DUT DUT
Site Master
Vector
Voltmeter
Signal
Generator
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