PowerWave AR1200 - Dpx; Low Noise Amplifiers; Low Noise Amplifier Connections

PCBA Connections AR Standard Repeater
044-05250 Rev B 2-7
Figure 2-5 Low Noise Amplifiers
Table 2-8 Low Noise Amplifier Connections
Not used outputs do not need to be terminated.
DPX
DPXs are located on the metal cover sheet in the upper part of the cabinet. Service and
donor filters are identical. A DPX filter is also included in the FOU. This filter can be
connected to various ports depending on the repeater type. Table 2-9 lists the connectors and
connections of the DPX.
Table 2-9 DPX Connections
LNA/UL Port Connected to
OUT LOW IN on the LNA/UL in the cover, if equipped
IN LO on the service DPX duplex filter.
ATT +7V P23 on the DIA PCBA.
OUT1 P101 on the CHE3/UL, CSA/UL, or BSA/UL PCBA. P2101 on the
WBA PCBA.
OUT2 P101 on the CHE4/UL channel PCBA.
LNA/DL Port Connected to
OUT LOW IN on the LNA/DL in the cover, if equipped
IN HI on the donor DPX duplex filter.
ATT +7V P24 on the DIA PCBA.
OUT1 P101 on the CHE2/DL, CSA/DL, or BSA/DL PCBA. P2102 on the
WBA PCBA.
OUT2 P101 on the CHE1/DL channel PCBA.
WARNING: Some LNA power transistors may contain beryllium oxide (BeO) that is poi-
sonous. Refer to the Safety section in Chapter 1
Service DPX Port Connected to
ANT RMU: ANT on the FOU/DPX filter
All other types: Service antenna (or DPX on the service (MS) DC
OUT
LOW
IN+7V ATTOUT1 OUT2
LNA
DL
OUT
LOW
IN ATT +7V OUT2 OUT1
LNA
UL