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82 205486 REV F Operations Manual, HPA2, Compact Outdoor SSPA
It is important to remember the requirement of a 10 MHz reference oscillator when operating
an SSPA with BUC (SSPB). If the 10 MHz reference is not present, the M&C will report a
BUC alarm and the SSPA module will mute. This ensures that no spurious or ‘off frequency’
transmission could originate from the amplifier.
Note: Unless the BUC has the built-in internal reference option, if there is an absence
of a 10 MHz reference signal on the IFL input there will be no output signal from the
SSPA.
9.1 ZBUC Features
This section describes the features available in the Paradise Datacom ZBUC. The ZBUC is
available as an option for the Compact Outdoor SSPA. ZBUC is available in four C-Band
models, two Ku-Band models, one X-Band model and one Ka-Band model. Table 9-1 shows
the specifications for the respective models.
Table 9-1: ZBUC Frequency Specifications
Band Model Number* IF Input LO Frequency RF Output
C ZBUCCXXAXX1XX 950 - 1525 MHz 4.900 GHz 5.850 - 6.425 GHz
C ZBUCCXXBXX1XX 950 - 1825 MHz 4.900 GHz 5.850 - 6.725 GHz
C ZBUCCXXDXX1XX 950 - 1250 MHz 5.475 GHz 6.425 - 6.725 GHz
C ZBUCCXXEXX1XX 950 - 1250 MHz 5.775 GHz 6.725 - 7.025 GHz
X ZBUCXXXAXX1XX 950 - 1450 MHz 6.950 GHz 7.900 - 8.400 GHz
Ku ZBUCKXXAXX1XX 950 - 1450 MHz 13.050 GHz 14.00 - 14.50 GHz
Ku ZBUCKXXBXX1XX 950 - 1700 MHz 12.800 GHz 13.75 - 14.50 GHz
* Listed model numbers indicate an external reference.
Gain Change
0 - 4 dB
0 - 4 dB
0 - 4 dB
0 - 4 dB
0 - 2 dB
0 - 2 dB
0 - 2 dB
Ka ZBUCKAXAXX1XX 1000 - 2000 MHz 29.000 GHz 30.00 - 31.00 GHz N/A
DeMux
Local Oscillator
Phase Locked
SSPA Module
55 - 75 dB Gain
Block Up Converter Module
L Band Input
Optional Internal Reference
FSK
Optional FSK
Monitor & Control
Reference Input
Optional FSK
Figure 9-2: Compact Outdoor Block Diagram of BUC / SSPA System