User’s manual for Repeater MRx01B Power
M0079A1A.doc
Id.-No. 151775
Page 13
10-March-00
2 Functional description
The Repeater MRx01B Power can be equipped from one to four bands or channels depending
on the used technology.
The following block diagram shall illustrate the configuration of the system.
*:
one physical module contains UL and DL
**
:
with more than two modules, the amplifiers are included; both are in one housing
figure 2-1 Block diagram of MRx01B Power
2.1 General
The Repeater consists of two amplifier chains, which are connected antiparallel. The
receive path of one direction is connected to the transmit path of the other direction by a
frequency separation unit, in the following denominated as a duplexer, which combines
both signals to an antenna (see chapter 2.5).
After the duplexer the signals get to a pre-amplifier and afterwards to a conversion
module (see chapter 2.2). Then the signals are combined by the active combiner (see
chapter 2.6) and afterwards amplified by the feedforward amplifier (see chapter 2.8),
which provides the required output power.
