搜索 - 科创网

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内容：射频功放的供电是开关稳压的，通过调整供电电压来调整功率。,整机的底板，包含射频功放和低压电源。,下面是低压电源射频功放板低压稳压电源拆完了，剧终

内容：HP8755,8756,8757系列标量网络分析仪没有内置信号源，还需要一台扫频源或合成源提供射频信号。,拆下电路板和电桥腔体，上方的厚膜电路就是斩波放大器，另一个厚膜电路是一个时钟模块，四个多圈电位器可以调整放大器的参数焊下电桥腔体，可以看到许多调谐螺钉负载片拆掉射频输入连接器连接器的洞里面隐约能看见微带片贴纸下面还藏着三颗调谐螺钉拆掉测试端连接器焊下检波输出的电容和支架

内容：这种东西结构挺简单的，和工业射频电源差不多，不多废话看图。,整机是这个样子的，上面是激励单元和接收机，中间是低压开关电源，下面是1kw短波功放功放拆了上盖是这样的，大的铝屏蔽罩下面就是射频功率管的电路板。

约找到 1041 条结果，耗时 0.245 秒

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当前账号的附件下载数量限制如下：