搜索 - 科创网

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内容：如果像这样直接三功分的话，就需要这种射频线从电阻下面过的设计，如果要求电阻耐受相当大的功率，比如散热片接到底部外壳上，就麻烦了。

内容：引用虎哥:新打的第三次修改版PCB前几天到了，下图是射频/中频板。,好消息是：射频指标良好，相位除低频外，一直到3G都十分稳定。

内容：KC9601A是一种小功率射频低噪声放大器，在整个通带内具有较为平坦的增益，支持USB供电和12V直流电源供电，适用于驱动放大和天线放大、接收机前置放大等用途。,典型增益：20dB（具体参见测试图）最小增益：15dB输出Po1dB ：18dBm典型NF：2dB（参见测试图）射频接口：标准的SMA阴头（孔）供电电压：5V USB / 7-15V电源插座供电接口：USB,5.8GHz处的输入1dB压缩点，其输出1dB压缩点应在读数基础上增加17.7dB)实测噪声系数曲线（黄线）随机抽取另一只的测试结果：测试连接如下图，根据频率范围选择适当的前置放大器，此处使用KC9601C，带射频连接线校准后,微波器件对静电的防护能力较低，禁止带电连接射频接头，连接时应注意先碰触外壳进行等电位接触。

约找到 1028 条结果，耗时 0.217 秒

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注意事项：

当前账号的附件下载数量限制如下：