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User Manual
Airbridge cBTS3612 CDMA Base Station
Active lightning protection: A discharge tube is used as the lightning arrester.
l
When the voltage at both ends of the discharge tube comes to a specified value,
the two ends will be connected, hence the lightning protection is realized.
The dual-satellite synchronization antenna & feeder adopts passive lightning
protection. Its equivalent circuit is shown in Figure 2-33.
1
Figure 2-33 Lightning protection for BTS antenna & feeder port
C1
C3
L1
C2
L2
C4
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System Description
2 Hardware Architecture
2
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