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HPOD C-, X-, Ku-Band High-Power Outdoor Amplifier
Appendix B
In 1:1 applications, the BU also stores an offset value, to be used when the BU replaces the
active unit. This offset may be set with the GOF= command. When the online unit is being
"backed up" the BU's attenuator will be set to this value. This value may be different than the
attenuation value of the online unit to compensate for any gain mismatch between the BU and
online units.
To calibrate:
1. Identify the unit with the most gain.
2. Calculate the actual error.
3. To compensate for the error, set the GOF= command in the unit having the highest error.
For example, if SSPA 1 has 70 dB of gain, and BU SSPA 2 has 72 dB, send the GOF=2.00
command to the BU SSPA 2 to store these values.
B–2
Revision 6
MN/HPOD.IOM
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