接地问题大全-接地问题大全 问：我已看过你们的“产品说明”(data sheets)和“应用笔记”(appl ication notes)，也参加过你们的技术讲座，但有关如...

倒车雷达的报警音量-倒车雷达的报警音量 报警音量一般以db(分贝：表示声音的响度)表示，是指一个倒车雷达的声音报...

如何处理变频电路中电磁辐射引起的干扰-如何处理变频电路中电磁辐射引起的干扰变频器带来大经济效益同时也带来许多负面影响，变频电路产生电磁辐射...

高频信号干扰-高频信号干扰问：我听说射频(RF)信号能使低频电路产生奇怪现象。这究竟是怎么 回事?答：我有一次去法国...

What is the copper plating thi-What is the copper plating thickness?Solution 1 ounce copper is 1.3 to 2.0 Mil thick2 ounce copper is 2.6 to 4.0 Mil thick...

What range of dielectric const-Problem What range of dielectric constants you could be realize with your PCB materials? Solution All of our material has a 4.7 dielectric constant...

What is the maximum temperatur-Problem What is the maximum temperature your PCB can handle? Solution 130 Degrees C.266 Degrees F.Details:...

Can I have surface mounts?-Can I have surface mounts? Problem surface mounts Solution Surface mounts are not a problem for PCB123. There is no add...

What is the minimum space betw-What is the minimum space between a pair of tracks on a PCB that could be manufactured?Problem What is the minimum space between a pair of tracks on a PCB that could be m...

I would like to calculate the-I would like to calculate the trace width to impedanceProblem I am working on a four layer circuit board that will contain some RF traces and would like to know the layer ...