Agilent Technologies 8163A - Return Loss Modules; Figure 85 the Contents of the Agilent 81610 A Return Loss Module; Figure 86 the Contents of the Agilent 81611 A and Agilent 81612 A Return

Return Loss Measurement Getting Started With Return Loss
168 Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Sixth 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 85 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 86 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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