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HELLOCQ
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近代的13.8v额定电源电压、负极接地的电台的车载安装说明均明确表示,需要直接把电源线接在蓄电池的极柱上。蓄电池的低内阻,输出低波纹的“滤波”效果何止楼主的一堆电容并联的十倍百倍……l/c类型的滤波器接在发电机输出端子与蓄电池之间似乎有一定的改善(心理作用),蓄电池与电台之间再增加任何劳什子,无异于缘木求鱼 [表情] [表情] [表情]
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有成品车载电台用直流滤波器,电路可参考