User Manual

Table Of Contents
Combining and D istribution U nit
RX 1
RX 2
RX 3
P010164B
RX 4
RX 5
RX 6
Figure 2 Block Diagram for CDU-C+ wi
thout Duplexer
4.1 TX Part
The TX part handles the transmission of signals from the TRUs to the antenna.
The TX part consists of:
Two circulators
A hybrid combiner
A duplex lter (duplexer)
A measurement coupler unit (MCU)
Circulator
The circulator provides a uni-directional transmission
path and protects the TX inputs from reected signals.
4
EN/LZT 720 0278 Uen R1B 2010-08-09