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Using your Attenuator as a Variable Back Reflector
Example, Setting a Return Loss
If you have already set up the application, and are currently
operating the instrument as an attenuator,
1. Press BACK REFL, and then,
2. Press E
XEC.
Figure 4-3 Executing the Back Reflector Application
The value shown at the top left of the display is the return loss of
the instrument. You can edit the value of the return loss with the
Modify keys.
4.3 Example, Setting a Return Loss
This example uses the Ahilent Technologies 8156A Attenuator with
options 201, and 203.
Assuming an insertion loss of 2.00dB and a return loss of 60.000dB
for the instrument we set up the instrument to have a return loss of
20dB.