52
208143 REV -
Operations Manual, HPA3, Mini Compact Outdoor SSPA
5.3 Optional Tests
The following tests are performed on units at the request of the customer, usually to verify
specific customer requirements.
5.3.1 Noise Figure
Using a noise figure meter, the unit is tested to verify it operates within specification.
5.3.2 Group Delay
The testing software measures the linear, parabolic, and ripple components to verify the unit
is within specification.
5.3.3 AM/PM
The testing software measures the slope of the amplifier’s insertion phase vs. output power.
5.3.4 Noise Power
Noise power is the total noise per bandwidth at the output of the unit when a signal is not
present.
5.3.5 Harmonics
The testing software measures the 2
nd
and 3
rd
harmonics of the unit (as long as the frequency
range is within the capabilities of the equipment).
