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Start today to introduce circuit board design.
The purpose is to allow everyone to design some simple circuit boards. At the same time, you can review the omissions of your own knowledge in the design.
As for the expert level, you can skip the deaf article. Because of the limited time of day, we hope everyone will forgive me.
So less gossip, open questions.
In other words, you are in this industry. (Did you?)
It is because the school’s knowledge is not learned well. There is no distinction between the circuit design of the case and the design of the circuit board.
It was precisely because of this that he suddenly ran his own fate. The boss said, come to my company to do circuit board design. A good drop to answer, thought it was a circuit design.
What is the difference between circuit design and circuit board design?
Circuit Design: Electrical and Electronic Circuit Design. The circuit is mainly divided into digital circuits and analog circuits.
Digital circuits can be said to be ubiquitous, the most common being the computers used in life, mobile phones and home appliances. Analog circuits are more common in power supplies, drivers, and industrial analog controls. This article only talks about electronic circuit design.
The simple and crude explanation is that the symbols of the electronic components such as resistors and capacitors learned in schools are connected by wires, which is the circuit design.
Circuit board design: Based on the circuit drawing (concept) completed by the circuit design, the plane design of the circuit board is completed. The designed data is passed to the circuit board manufacturer and the circuit board can be produced (say easy...).
Here, only friends who are interested in circuit design are advised to walk around in order not to lose valuable time.
First of all, let's talk about the board is a circuit board, whether it is circuit design or board design is to create a circuit board service.
Give a picture first
Figure 1 The appearance of the board
This should be a small circuit board of the control class, the image is not very clear.
If you have time to open the back cover of the TV remote control, you can see the relatively simple circuit board more intuitively.
Brief introduction of circuit board manufacturing engineering
Someone once asked me just to design the circuit board. Is it necessary to have a deep understanding of the manufacturing process of the circuit board? Of course it is necessary! ! !
The reason is simple: here is an analogy. If the figure painter on the street does not fully understand the human body, how bad you will be painted is.
First of all, a four-layer board production project, the program will be different due to the actual conditions of the circuit board production plant, do not do a thorough study here.
Figure 2 Circuit board manufacturing process
Because it is based on the paintings and scoops, if any errors are also expected to correct.
Because of the time, first written here today, the follow-up will be a detailed explanation of the various aspects of the manufacturing process of the circuit board.
Between my own professional level is limited, it is inevitable that there are errors and omissions. Also ask everyone to give criticism and suggestions after reading.
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