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Chapter 2 Hardware Descriptions
Figure 2-2 ZXSDR R8860 Cabinet Internal Structure
1.
TR Module
2.
DC Power Module
3.
PA Module
4.
FL Module
2.1.3 Ventilation and Heat-dissipation Principles
The ZXSDR R8860 cabinet is naturally cooled through air cooled fins on the top and bottom
enclosures. Natural heat dissipation replaces heat exchanger requirement for outdoor
application. In addition, a heat sink is equipped at the bottom of the cabinet to enhance
heat dissipation.
2.2 Modules
2.2.1 Modules List
The ZXSDR R8860 cabinet consists of four modules such as:
l
l
module
l
module
l
DC Power module
l
module
2.2.2 Filter LNA (FL)
The functions of the Filter LNA (FL) module are as follows.
l
Performs filtering and low noise amplification of the reverse
signal from the
antenna.
2-3
SJ-20100722143906-001|08/30/2010
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