搜索 - 科创

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引用第57楼ΣΕsprain于2009-05-14 19:05发表的 :各位高人，请问球形放电终端电容怎么计算？ MUR3060PT（30A 600V）买不到可用哪种管子替代？导体球对地电容大约...

引用张静茹:磁控管跟食物是通的呀，会有这么都的东西？刚刚查了一下，这货不光是绝缘用的，是发射电子用的！氧化物加热后会发射电子，跟显象管阴极一样，也涂有氧化物。“The barium oxide fi...

功能建议1：Tetra 和 DMR 解码时，能否指定信道来接收？又或者录音时自动分开信道，例如 Tetra的25k带宽有4个信道，混在一起听有点混乱。功能建议2: Reveiver模式下的，FM的SQ...

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