Operations Manual, HPA3, Mini Compact Outdoor SSPA
208143 REV C
41
Section 4: L-Band Operation
4.0 Block Up Converter Overview
The Mini Compact Outdoor SSPA is available with various converter options, utilizing
Teledyne Paradise Datacom’s integrated converter. The primary up converter option is
offered in two C-Band configurations, two Ku-Band options, and one X-Band model. The BUC
offers ultra low phase noise for applications where phase noise is an overriding factor. For
specifications, see
Table 4-1
.
The type of BUC housed within your Mini Compact Outdoor SSPA is indicated by its model
number, as shown in
Figure 4-1
. The example listed shows a 100W C-Band Mini Compact
Outdoor SSPA with Internal Reference BUC. For a full description of this configuration matrix,
refer to the Mini Compact Outdoor SSPA specification sheet (208142).
The block up converters are high performance frequency translation devices which
provide excellent phase noise and spurious performance. The converter also supports FSK
communications for remote M&C capability. The FSK is a 650 KHz signal that is multiplexed
onto the L-Band input of the unit. See
Section 4.4
for more detail.
The converter utilizes Teledyne Paradise Datacom’s proprietary “Smart Reference Technolo-
gy”. Smart Reference Technology allows the system user to change reference frequency and
power level or choose internal or external reference without requiring any system reconfigura-
tion.
The schematic of
Figure 4-2
shows the electrical position of the block up converter.
It is important to remember the requirement of a reference oscillator when operating an SSPA
with BUC (SSPB). If the 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.
C
3 1 0 0 A C
M
X X X X
C
HPA
Block Up Converter
B = BUC (Custom)
M = Internal Reference BUC
P = External Reference BUC
X = None
System Configuration
Configuration Modifiers
Power Level (Watts)
Frequency Sub Band
Compact Outdoor SSPA
Figure 4-1: Configuration Matrix, Compact Outdoor SSPA, BUC Options
Band
