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基站、直放站大功率放大器解决方案

基站、直放站大功率放大器解决方案
CDMA2000直放站30W功放模块
方案组成:
以BLF6G21-10G作为驱动级,配以2个BLF6G10LS-135构成
的Doherty结构做为末级,搭配APD(SC1887)。
技术参数
DC 28V供电
工作频段870MHz-880MHz
PA输出功率30W
模块增益 50dB
增益平坦度≦0.5dB
驻波比≦1.4:1
模块电流4A,漏极效率26.7%
ACPR=--55dBc,ACLR=--64dBc@CDMA6载波信号,PAR=10.3dB

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