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...

“一旦触发马上把整个SDRAM的数据通过USB 2.0 dump到上位机”，假如在这期间有个触发，是不是就丢失了？是否采用2路类似冗余更可靠？

引用 asd1092107924:想要一个绘图工具！！如何交易？有没有qq？你好，我只接受先款，汇款之后，24小时内我发货。普邮包裹费用5元。中通快递10元。

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