Zte ZXMBW E9230, User Manual

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ZXMBW E9230 User Manual
F
IGURE
15 WDPA W
ORKING
P
RINCIPLE
The WDPA module consists of an Amplifier Circuit, Circulator, Cou-
pler, Power Supply Unit, Alarm Reporting Unit, and LNA .
� Amplifier Circuit provides the main RF amplification channel.
� Circulator separates the receiving and sending signals.
� Coupler extracts the RF signals transmitted by the BS for mon-
itoring and measurement.
� Power Supply Unit provides power for each unit.
� Alarm Reporting Unit reports such alarms as temperature,
high/low power and standing wave alarms.
� Low Noise Amplifier ( LNA ) amplifies the received signals.
WRFE Module
The WRFE module is the WiMAX RF Front End Filter module of
ZXMBW E9230.
Function The WRFE module provides the following functions:
� Provides the RF interface to transfer RF signals to the antenna.
� Filters RF signals.
� Provides RF unit lightning proof function.
� Isolates uplink from downlink.
Performance
Specifications
Table 10 lists the performance specifications of the WRFE module.
T
ABLE
10 WRFE P
ERFORMANCE
S
PECIFICATIONS
Index Range
Frequency
range 2496 MHz ~ 2690 MHz
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