User Manual

1X UBS Macro B T S FRU UBS Macro B T S Product Ov erview
IDRF (Integrated Duplexer RX Filter)
The IDRF is available in either the 800 MHz or 1.9 GHz RF band.
The IDRF includes:
• TX/RX bandpass filters
• Bi -directional TX and RX antenna path couplers.
The IDRF is a passive device requiring no DC input operating power .
The IDRF allows the sector TX and main RX RF carrier signals to share the same antenna. It
also allows connection for a sector diversity RX RF antenna. The bi -directional antenna couplers
provide forward and reflected signal port connections for antenna signal sampling and signal
injection. The coupled ports are typically used for connection to test equipment.
The UBS Macro BTS frame is typically equipped with one IDRF per sector . Figure 1 -1 UBS
Macro BTS low -tier/low -capacity frame (1000 mm rack) on page 1 - 27 , Figure 1 -2 Low capacity
UBS Macro BTS starter frame (1800 mm rack) on page 1 - 28 and Figure 1 -3 UBS Macro BTS
mid -capacity frame (1800 mm rack) on page 1 - 30 show the location of the IDRFs within the
UBS Macro frame.
Figure 1 -5 800 MHz IDRF I/O Details on page 1 - 32 and Figure 1 -6 1.9 GHz IDRF I/O Details on
page 1 - 33 show the locations of IDRF RF I/O port connectors.
68P09283A64 -3 1 -17
FOA SEP 2007