Oliver Smith

Are vias reliable in flexible circuits?

As we all know, flex PBC is flexible. I am curious about the reliability of vias in it. Is it…

1 year ago

What’s the thickness of FR4 substrate that one should take when designing a micro-strip antenna with an HFSS tool?

I am designing a micro-strip antenna with an HFSS toll, what's the thickness of FR4 substrate that one should take…

1 year ago

What board can be used as foundation for building a power electronic converter?

The power electronic converter is for high power application. I am going to design it for a new project. Any…

1 year ago

Why would a PCB designer use thicker-than-normal copper for a PC board design?

When I sourcing PCB online, I found some of them are with heavy copper. Why would the designer use copper…

1 year ago

What does “run a panel” mean in the context of PCB/PCBA fabrication?

A design engineer told me our PCB prototypes would be completed soon and then he would have his assembler "run…

1 year ago

I forgot a resistor on my PCB prototype – how do I add one in?

I need to add a resistor into a data line on my project. The data line is a trace and…

1 year ago

How can I minimize the moisture adsorption on FR4 PCB?

Although the adsorption of moisture by FR4 is quite low, what is the best way to minimize it or eliminate…

1 year ago

How to find a datasheet for a part that doesn’t exist on the manufacturer’s website?

While bored recently, I decided to take apart a few old pieces of electronic equipment and attempt to reverse-engineer them.…

1 year ago

Is it OK to bend a VIA in a Flex PBC?

On a Flex Printed Circuit (FPC) made out of Kapton polyimide, will anything bad happen if I put a VIA…

1 year ago

Approximately how many PCB layers would be needed to route a 1088 pin BGA IC?

I am designing a PCB with 1088 pin BGA IC. Haven’t handle such a big IC. I am not sure…

1 year ago