ZXSDR R8860 Technical Manual
1.8 Work Principle
1.8.1 System Structure
The ZXSDR R8860 system structure includes a DC Power (Power source module), FL
(Filter LNA module), TR (Transceiver module,) and PA (Power Amplifier module). It has
following two reserved ports:
l
The ZXSDR R8860 provides an external port (Rx out) to support the mutual main
set/diversity combination mode. The FL main set reception Low Noise Amplifier (LNA)
output port delivers the power division function.
l
An electronic switch is set at the receive diversity channel and an external input port
is reserved to deliver the compatibility with the long-distance frequency. The system
can switch over to input signals through the FL of local Radio Unit (RU) or through
another Remote Radio Unit (RRU).
shows the overall system structure.
Figure 1-8 ZXSDR R8860 System Structure
1.8.2 Signal Flow
The ZXSDR R8860 signal flow is described below.
Forward Flow
The forward signal flow consists of following.
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SJ-20100722143906-001|08/30/2010
ZTE Proprietary and Confidential
Summary of Contents for ZXSDR R8860
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