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Operations Manual, HPA3, Mini Compact Outdoor SSPA 208143 REV - 51
5.2 Tests for units with integrated BUC
If the Compact Outdoor amplifier includes a block up converter (BUC), the following tests are
included.
5.2.1 Reference Lock
This test checks the external/internal references (if equipped), as well as lowest locking level
at 10 MHz. See Figure 5-3, Item [5].
5.2.2 FSK
Verifies FSK communication with the BUC. See Figure 5-3, Item [6].
5.2.3 Phase Noise
Tests phase noise using external and internal (if equipped) references. The unit is required to
meet at each decade, as well as fall below the spec line determined by the decades. See
Figure 5-2, Item [4].
5.2.4 Microphonics
A spectrum analyzer is connected to the unit and is set to perform a max hold on the trace, .
The unit is then tested as per our procedure.