Zte GU188 High, Описание продукта

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ZXSDR R8860E Product Description
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l Uplink & downlink transition for radio link signal;
l
Downlink IQ signal multiplexing, uplink IQ signal demultiplexing;
l
Signal amplification, filter, and digit/analog conversion;
l Optical and electric signal conversion;
l
Extract clock reference signal from baseband unit, provide clock for different
modules;
l
RTWP and TSSI measurement report;
l
Standing wave ratio (SWR) measurement report;
l Hardware failure self-test and alarm;
l
Environment Detection;
l Provide 2 paths of baseband–RF interface and 4 paths of external alarm input, and a
serial port, a FE interface, a RS232 interface, and a AISG interface;
l
Provide reset function.
4.3.2 PA (Power Amplifier)
l
Amplify downlink RF signal input by ADTR, and output it to DFL;
l
Provide digital pre-distortion feedback signal for ADTR;
l
Provide power amplification output control;
l
Feedback forward power coupling signal to ADTR, and ADTR do forward power
inspection;
l
Feedback backward power coupling signal to ADTR, and ADTR do backward power
(SWR) inspection;
l Provide PA internal temperature data to ADTR and ADTR will do temperature
inspection.
4.3.3 DFL (Duplex Filter LNA)
l
Combination and separation of receiving and transmitting signal;
l
Filter function of receiving & transmitting signal;
l
Low-noise amplification function;