246 8163A/B, 8164A/B, 8166A/B User’s Guide
9 Switching Optical Routes
.
Figure 149 DUT selection in a parallel test setup
Selecting one of several instruments
In Figure 150 on page -246, a 81595B 1x4 Optical Switch is used to select
one of up to four analysing instrument.
Figure 150 Test instruments selection
In each case, the advantages to be gained from using switch modules
include speedier changes to the test setup, and improved measurement
repeatability.
DUT
DUT
DUT
DUT
Source
Analyzing
Instruments
1 x 4 switch
1 x 4 switch
DUT
Source
WLM
OSA
Power meter
BERT
1 x 4 switch
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