If you are looking at the term PCB, you may be actually wondering what it is. Well, to be on the same page, let’s first start by defining it. The abbreviation stands for a printed circuit board and can be found on the inside of an electronic device. It’s a green board that consists of some really precious metal that connects all of the electrical components inside. In this way, it’s able to function correctly. Without these printer circuit boards, the electronic devices wouldn’t work. And PCB designs are layouts that are three-dimensions and indicate the location of each component once you know your circuit works.
PCB Schematic Design is Not Just a Document
Why do I say that PCB schematic design is a document? Well, since it helps us to determine the circuit functions or to locate specific design details, it’s considered to be a document. But, it’s not just an ordinary document. It’s more than that. A vast number of precise information is stored in the schematic database.
PCB is a key element of any electronic circuit design process. Its layout and design can have a huge influence on how a circuit works. Therefore, if the printed circuit board is designed effectively, then the circuit will perform more reliably and within its specification.
The Process of Designing a Printed Circuit Board
To build a PCB, you first need to design it. That can be achieved by using PCB design CAD tools. The first step is to develop the library CAD parts (schematic symbols, footprints, simulation models, and step models). The next thing that you should do is to create the logical representations on a schematic. Run the circuit simulation simultaneously to ensure that the designs work electrically in the way it’s supposed to do. When this is finished, the connectivity data will be sent to the layout tools by schematic tools. Next, the layout designer will place the footprints at the correct location. Then, connect the nets to the pins by drawing the planes and traces between the pins. When that’s complete, use the design tools to create manufacturing drawings.
Tips That Can Help You Develop a Well-Created Schematic
There are lots of problems that can arise when you create the schematic badly. This is why it’s really important to take all the time in the world to make it look good and contain the correct and complete design data. Here are the tips that can help you do that:
- Make sure you use correct and up-to-date schematic library symbols and components.
- Try to develop a logical flow of the design that is systematically organized.
- Ensure that the circuit paths aren’t ambiguous to the layout team.
- Schematic hierarchy is advisable for use and will help you with repetitive circuits when your tools are equipped.
- Don’t limit yourself just to one page, it’s always OK to use more room if you need it.
- Don’t even try to ignore the CAD system design rules.
- Clarify things out by using notes for your PCB layout team.
- Give your schematic for a review to others, another pair of eyes won’t hurt your work.