Wednesday, 12 February 2014

Everything You Need to Know About Electronic Design

If you have special interest in electronic devices, how they work, how they are manufactured and what’s there inside these devices, then this post is specifically for you. Here in this post, you will get to know everything about how electronic devices are first drafted and designed to form the basic model of the final product that we use in our day to day life.

There are a lot of cases when Electronics engineers find it really difficult to use any specific technology when they are asked to design a complex product. In the present day scenario, the industry demands the design engineers to innovate new product designs that would provide valuable solutions to any need no matter whether it is analog design, electronic design & manufacturing, circuit diagrams or advanced microcontroller projects.

Electronic design and product development services
There are cases when a customer with little or no knowledge on electronic products seeks suggestions from the electronic design companies. But when the customer is itself from electronics background, s/he provides each and every detail of the product, and at times s/he provides a rough sketch of the product including all technical details of the device. The entire electronic design services team has only to look at the sketch and modify it to a final workable design.

Types of Electronic design and manufacturing
There are a number of key stages involved in the entire electronic design process. These processes lead to the electronic device manufacturing. These processes include Digital and Analog Circuit Designs, Printed Circuit Board Assembly, Touch Screen Control and it proper functioning, Firmware Microcontrollers and Plastic Outer Casing moldings.

The study needs to be feasible so that every key stage is implemented by specific design specialists to make sure the project would be completed on time. Here, we must not ignore the importance of planning. The various rough sketches are taken into consideration while designing the final version of the design. All required materials are fitted into the workable plan which is necessary achieve the goals of the key stages of the project smoothly. Every single aspect needs to be incorporated to the final plan which is done to accomplish the design project.

Final project work by the project manager
The project manager collects the final plan and divides it into different parts. Then s/he allocates each portion to one specific team including one or a couple of design specialists (depending on the work) and some coworkers. Some specialists are also employed for better communication and contribution of pertinent knowledge on relevant issues. All these processes are observed carefully, checked and accomplished to complete the entire electronic design process. As soon as the design process is completed, a complete set of diagrams with demonstration models is used to describe whole design process. This is what gives rise to a costing estimate for the entire project. After the design project is declared satisfactory, it takes the final green signal for building.

A Detailed Guide to PCB Assembly

Circuit boards are an important part of all electronic chips. There are a lot of chip designing and manufacturing companies in the world which depend mostly upon circuit board manufacturing companies since they do not have their own circuit board manufacturing unit. The end product of these companies might be electronic devices or the chips inside it. But as long as they are not supplied with the integral parts, i.e. the circuit boards they cannot manufacture the final product. So a circuit board is what we call as the heart of every electronic product.

When different electronic components are attached to a circuit board, it is called as printed circuit board (PCB). There are different technologies like surface-mount technology, through-hole technology and box-build, electro-mechanical assembly which are responsible to attach electronic components to form PCB assembly.

How Assembly is done
The surface-mount technology and through-hole assembly are mostly used in circuit board manufacturing. Both these methods have their own advantages and disadvantages. The former method consumes less space and less expensive, whereas the latter method takes more space than surface mounting and provides more strength to the board. Through-hole process is more expensive compared to surface mounting.

The components are connected and supported by different conductive pathways, methods, tracks and traces. All these components are cut properly from laminated copper using acid or similar substances. Then the surface mounting starts. It involves making holes in circuit board by drilling and attaching the electronic components through the holes. As soon as the components get inserted in the holes, they are placed on the external pads of the board.

The component leads are fixed to the board mechanically using soft metal molten solder. After getting attached by components the circuit board is called as printed circuit board (PCB) assembly.

The entire assembling of the board and the components uses several techniques. If components are attached in high volume like it’s needed in wire cable assembly or custom cable assemblies, then it is done by bulk wave soldering, machine placement or by using reflow ovens.

Utilities of PCB
The printed circuit boards are being used to connect the electrical elements to several appliances and machinery. All electronic device manufacturers use these circuit boards in the production of electronic devices such as computers, calculators, i-Pods, TVs, video games, consoles and so on. But companies have got to hire professional assemblers from registered and authorized assembly service centers when they produce large electronic devices.

Significance of Board Assembly
Printed circuit boards come in handy when it comes to any electronic devices since no device operates without a printed circuit board. The other advantage of PCB is that it helps upgrade any electronic device without any difficulty.

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