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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 EXEC.
Figure 4-3 Executing the Back Reflector Application
The value shown at the top left of the display is th e 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 T echnologi es 8156A Attenuator with
options 201, and 203.
Assumi ng an inserti on loss of 2. 00dB and a return l oss of 60.000 dB
for the instrument we set up th e ins tr ume nt to have a return loss of
20dB.