1186_ Accumulation of embedded hardware knowledge_ Triode and three electrodes

    All learning summary ： https://github.com/GreyZhang/g_hardware_basic

    My knowledge that has been returned to the teacher tells me , The function of triode is to amplify the signal . The impression is that 3 A foot , One of them is connected to the power supply , The other two have a little control function , The other is output . Now? , I devoted myself to the software in my work , Some basic knowledge of hardware has fallen behind . Make a supplement according to the convenient network data .

    The above information comes from Sogou encyclopedia , It overlaps with my own vague impression . But in the picture NPN and PNP I can't remember the difference in the effect of my work , But I still remember that this seems to be related to a thing called Shaozi . Two different materials , One minority carrier is positively charged and the other is negatively charged .

    The above information is also from Sogou encyclopedia .

    See these nouns , Some memories began to gather in my mind . Basically , Most of the time, the true working state of the triode should still be in the amplified state . In previous analog circuits , I have seen a lot of circuits, which are actually the result of cascading many triodes with other devices . Now let's go back to a thinking on methodology , In fact, it has something in common with the semantic elements of software .

    This is the symbol of a group of triodes found in the MCU tutorial network , With basic knowledge understanding , The functions represented by these symbols can almost be guessed by guessing . however , In recent years, there are few such symbols seen in the circuit schematic diagram , It should be replaced by other functional components .

    According to the remaining memory , If we continue, we should expand a series of amplification circuits based on triode . There may not be many in my present job , When you need it, come back and add .