搜索 - 科创

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看了开源的原理图，前端的开关和滤波网络感觉很复杂，于是乎用了LNA+1分5替代，省去了折腾GPIO的痛苦（真有需要的时候再单加滤波器吧）。嘉立创+某宝置办齐了物料。没有好的天线就用了一段焊锡丝。感觉还...

引用第8楼black于2010-08-03 08:45发表的 : TO-247封装的管就算是和TO-220同参数让我选择的话我还是会选择247封装的因为管子的标称电流只不过是管芯允许耐流而管脚...

1mm的中孔难以加工，而且初始燃烧面积只有2Picm^2（端面不燃），意味着初始推力不够很有可能出架后偏航甚至无法出架

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