Return Loss Measurement Getting Started With Return Loss
152 Agilent 8163A/B, 8164A/B, and 8166A/B User’s Guide, Fourth Edition
Return Loss Modules
The applicability of the available Return Loss modules is outlined
below:
Agilent 81610A Return Loss module The Agilent 81610A Return Loss Module includes a power sensor,
monitor diode and two couplers in one module. It is for use in the
Agilent 8163A/B Lightwave Multimeter, the Agilent 8164A/B
Lightwave Measurement System, and the Agilent 8166A/B Lightwave
Multichannel System for making return loss measurements.
The Agilent 81610A Return Loss module does not include an internal
source, and must be used in conjunction with a suitable external
source.
Figure 84 The Contents of the Agilent 81610A Return Loss module
Agilent 81611A and Agilent 81612A
Return Loss modules
Agilent 81611A and Agilent 81612A Return Loss modules include a
power sensor, monitor diode, two couplers, and an internal laser
source in one module. It is for use in the Agilent 8163A/B Lightwave
Multimeter, the Agilent 8166A/B Lightwave Measurement System, and
the Agilent 8164A/B Lightwave Multichannel System for making
return loss measurements.
Figure 85 The Contents of the Agilent 81611A and Agilent 81612A Return Loss modules
M
dut
P
dut
External Laser
Source
Output 9/125 µm
physical contact
M
dut
P
dut
External Laser
Source
Output 9/125 µm
Internal Laser
Source
physical contact
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