PC BOARD Electronics Components Optimization

Sam Sangani
6 min readDec 2, 2021

Can you imagine yourself all dressed up, but you have no place to go? Well, that’s awkward because we all need to do something but for a reason. And that reason should be enough strong that could stop us not to distracted by other various factors. The same happens to the engineer in the circuit board design. Sometimes, an engineer would do a mistake. What’s that mistake? He would probably be all dressed up, but he would not pay attention to the end goal. Instead, he would get distracted by other external factors and end up with nothing. And as a result, he would have a body of the circuit without a soul. That’s sounds bad right? So, what is that one thing that an engineer can apply to avoid this type of situation?

A clear answer, keep an eye on designing and optimizing. Before you launch your electronic component or product, you need to pay attention to the reasonable amount of material used in it.The fact that is overlooked in the virtual designing of the circuit board is that the product would have a physical structure also. The virtual designing process may include the components and design that are not beneficial or may not be available anymore. The database of virtual designing usually includes these components, and an engineer can get some hiccups in their assembly and prototyping process. And if these critical and useful components remain in the PCB design till the end of the designing then many severe problems can also occur.

For example, a delay in production can happen and the client may be unhappy. But the good news is, all these problems can be reduced if you take some steps and make some efforts to optimize your electric component section. But before we discuss the tips and tricks that need to be taken for better optimization of electronic components, one should understand how component procurement takes place.

Component Selection And Procurement:
You can get ease and freedom to work if the electronic components are placed on the circuit board correctly at a low frequency. The difficulty may arise when final design and heat dissipation occurs. Well, it is easy to deal with low frequency. But in the case of high frequency, the slightest mistake and wrong positioning of electric components that may be valid electrically would end in compromising the overall functionality of the circuit board. So, in a nutshell, it is being said that positioning any electric component in the circuit board is a crucial task to perform. In the case of high frequency, the requirement is also high for good positioning of the components. This will help in optimizing the signal path and improving the circuit operation.

The best placement for the circuit board can only be obtained by following the strict theoretical rules and some powerful software that helps designers in creating a sophisticated circuit. The length of the critical path should be reduced typically. If all the electric components are placed in the right arrangement, then the overall functionality of the circuit board can also be increased. And the physical size would be reduced accordingly.

Component selection is one of the most significant tasks that happen in circuit design and in the lifecycle of product development that may affect printed circuit board assembly. Then, the other tasks are performed to check if the components are integrated, and the device is performing the required functionality or not. Each component is available for a certain period and a graph is made for clear understanding. The product would be available in variation. A new production would be distributed modestly and then it would go to the peak once established and then decline because it is replaced with new technologies.

Following are the few terms that need to be taken care of while optimizing an electronic circuit. Some of them are related to the positioning of the components and some explain the optimization of the signal in any electronic circuit. An engineer should take care of every step so that the outcome of the circuit can work efficiently and effectively.

Placement Of Components For Heat Dissipation:
The positioning of components and optimization of a circuit board is not that easy task to do. It is always demanding and delicate to perform. The general recommendation is that the number of elements such as resistor, inductor, capacitor, indicator, and others should be connected with an extremely short track and device connected very close together. This is beneficial when the circuit is operating at a high frequency.

The rule is compulsory to follow for better functionality but sometimes, minimizing the length of the circuit may result in several thermal problems, and uneven accumulation of heat can happen, and some other unexplainable faults can also damage the entire functionality of the circuit board. So, to avoid these types of consequences, it is recommended to use the thermal ducts and go for the parallel positioning of the components.

With the advancement in technology, some techniques rapidly suggest an optimal positioning for components and then a uniform distribution so heat flow can be maintained. This ends up with the excellent thermal performance of the entire Printed Circuit Board circuit.

Placement Of High-Frequency Components:
It is difficult to handle a system if it exceeds the frequency of 1 MHZ. The positioning of capacitive and inductive electrical and electronic components is critical to manage. The components may act differently even if they are arranged and electrically converted. So, the performance of the circuit board would be compromised. The motion of the capacitor and inductance of just a few centimeters can change the game by changing the functionality of the circuit. For example, you must have seen the transistors and receivers on the radio. HF amplifiers and other equipment that work in the high frequency.

Their frequency can be changed accordingly, and they will catch signals from the set frequency. The signal may be spread in the surrounding leaving the circuit in the order of MHz the positioning of the circuit board can be compromised (positively or negatively) with a small variation in the wiring connection. The resistors are difficult to manage and should be done in the most attentive environment.

Genetic Algorithms:
As artificial intelligence is covering many other aspects of technology successfully, it had its impact on the world of electronics also. Some techniques help in the implementation of genetic algorithms so that the positioned components can be optimized, and thermal degree can be evaluated in the duration of the operation.

The convection can be cooled by airflow if the genetic algorithms are present on the surface of the board. The thermal model of the circuit acts in two dimensions. So, the optimization of the circuit and position of this differently acting thermal criteria is handled by the algorithm genetic. And this would result in the optimization of electronic components and positioning of components on the circuit board in a three-dimensional way.

All this would be done with the help of genetic algorithms. But arranging and finding the right arrangement is not a piece of cake. There are hundreds and thousands of arrangements that can take place in the circuit. For this purpose, the software has to manage the million permutations and combinations to find the right arrangement. Once the right arrangement is found, it is implemented for the efficient functionality of the circuit board.

Optimizing Electrical Components Selection:
The impact of the component positioning on a circuit board is often undervalued. But the truth is your component choice can affect the assembly of the circuit board in a significant manner. The right choice for component packages can reduce pc board steps in the circuit board either through-hole or surface mount devices. However, some specific steps need to be followed for the overall functionality and optimization of the electric circuit board.

Determine the quantity available in the designing process:

Checking the quantity of the component is important because it helps in manufacturing delays of the circuit in searching for alternatives that perform equally well to the components from alternative markets.

Choose reputable suppliers for components:

Your product quality is depending on the components you are going to use in the circuit. So, selecting reputable suppliers and distributors is equally important to manufacturing. It should be mentioned in the manufacturing procedure which suppliers you are going to deal with for your product components.

Components should have comparable replacements:

Choosing components with replacement can help in minimizing a lot of tasks. Such as requirement gathering and redesigning and redefinition in case of components contingency. The need to update can also be managed.

Maintain access to the current component of the lifecycle:

Having a quick view of the current data rate is important. As the process proceeds further, you will need to check if the particular component is doing great or not. Similarly, this choice is important so you can check if you want to go with the particular component or you should select any other alternative.

Investigate the component:

This step is important to ensure the quality of your component.

Get your pcb fabrication and complete assembling done at PNC. Just contact us at sales@pnconline.com to get a customized quote.

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Sam Sangani

Sam graduated from L. D. Engineering College with a BS Degree in Mechanical Engineering