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An excellent hardware engineer must have six basic abilities

2018-01-10 11:08:50 Website Name Read

An excellent hardware engineer must have six basic abilities

For many hardware engineers, every day in the busy work, but sometimes do not know the level of their own to go, also don't know how to improve it, in this fast changing society, is a dangerous! After all we eat these apes by the technology of people as some sinecures, with not the tide will be eliminated. So even if we can't be the most TOP, we try to be the one in front of us.


But how do our engineers become the most TOP? How should we learn?






According to the education we get from childhood, we first know that we need to understand thoroughly and deepen the knowledge better. For any knowledge point, we can deduce the advanced laws and formulas from the basic formula by mathematical tools. I think on this point, the college entrance examination of physics is to the extreme, high school physics knowledge is not difficult, but we to the purpose of selection, the physical laws of all together, with some brain teasers, complex operation, resulting in the college entrance examination of physics is the most difficult subject.


But if we take the entrance of the spirit to solve physical problems to solve hardware problems, of course, the spirit is commendable, the work is encouraging the learning and exploration spirit; but this is not much benefit for the project development, after all the hardware engineer project development, complete the hardware project within the prescribed time and budget, and you are not at this time what their derived formula and calculation results, it is the work of scientists, it is the work of Research.


Project development is an important feature of "step in the footsteps of our predecessors", is through the past dozens of years of engineering practice, there are a lot of empirical data and empirical methods for a variety of situations, such as the PCB layout, basically every company has its own design guidelines/check list, this company is summed up in the past many in the project, each one can be said to have paid a blood price, this is for the board level design; the core chip and devices, even more so, a chip and chip or device companies several hundreds of years out, and it is through hundreds of you page datasheet can completely understand.


In most cases, know the main interface, parameter, function and performance is enough, especially the chip / device provided by design guidelines or application notes, which generally is chip / device engineers generally no words from the bottom of the heart, a wise remark of an experienced person, ten years and twenty years work experience of Engineers can't write these things.


Although it is very simple, looks like crap, but careful analysis, combined with the circuit theorem and the electromagnetic laws, slightly analysis, you will find almost every phrase a gem. A good student just graduated (generally learn well, love eating problems, learning ability, strong thirst for knowledge) at the beginning of stem hardware design, you will find the knowledge involved and technical points too much, if you want a thorough understanding of this knowledge, the knowledge points to understand thoroughly, will find 24 hours a day at not enough, but I'm sorry, the company please come here not to let you learn, is to do hardware design, over a month to see the principle diagram, you are still holding the OrCAD manual a command a command to learn OrCAD skills, study why serial resistance, the capacitance is taken on 0.1uF or 0.01uF.


Curiosity is a good thing, but it is in the work, the project is over, learning from our predecessors with an open mind, to make full use of all kinds of designguidelines, complete the design work as soon as possible, record the knowledge of their own shortcomings, in his spare time to study hard, thorough understanding, through the design verification / testing, deepen the knowledge about it is the correct methods of work.


When I just graduated from find the transmission line theory is too important, then spent one month to a transmission line theory, and deduced a formula, it is summed up in a few words, the impedance matching, if the receiver impedance is greater than the sending end, what will happen if the signal; how will the signal; less than, what would happen if the open circuit, short circuit; what would happen if, this, a few basic each of the signal integrity of the book will be introduced, will not have the mathematical formula is very complex, know on the line, impedance, and then how to balance the transmitter serial resistor, PCB impedance. Impedance matching and so on, are simple mathematical formulas.


So, for curiosity particularly strong people (like me), sometimes we must learn to "a", make full use of advanced experience, to avoid misunderstanding in technology, such as a formula without hemself derivation using the double integral over. The most important feature of hardware development is "extensive". We need to know everything. A good hardware engineer must know something. Of course, it is better for some aspects to go deeper into the level of principle.


All kinds of technology about hardware design / standard / chip / device should know, when necessary, can come in handy, functional properties, characteristics, advantages and disadvantages.