PCB Design

When you design a PCB, in most EDA tools the designators (R1,C4 U7, etc.) are placed on the silkscreen. Silkscreen layer is for information not data. Sometimes we are so …

It’s such a small thing to add and yet it’s forgotten. All PCB must have some way of mounting the board inside an enclosure. In cases where the PCB has …

The first thing you should do after importing the net list to your PCB design tool, is to define the rules. The rules definitions actually start at the schematic design …

First of all when I say high speed, it doesn’t mean high frequency, it means quick signal transition. If the trace is longer than the ¼ distance travelled by the signal …

Clean up the text. First thing is to avoid overlapping texts, it’s very common to see the designators and values text overlap. Next when writing values such as …

When designing for large scale production every cent counts. There was a smart watch company that made 10 million units in one production run. They found they can remove …

Beware of placing connectors on the board. When you place connectors on board, its easy to forget about the size of the connecting wire. When placing the connectors on …

When you place LEDs on the board, add them to the edge of the PCB. It’s even better if you place an edge lit LED. In one of my designs I placed the LEDs in the …

Guide to power supply design. Power supply is one of the most critical components in any product, If the power supply is not reliable, the whole product becomes …

Today we will talk about designing hardware in a systematic way. We will see what are the different approaches we can take and how we break down the product brief into …