The Question : 52 people think this question is useful I understand that in “saturation mode”, a BJT functions as a simple switch. I’ve used this before driving LEDs, but I’m not sure I understand clearly how I got the transistor into that state. Does a BJT become saturated by raising Vbe above a certain
The Question : 55 people think this question is useful I’ve seen tutorials aimed at beginners suggest the way to drive an LED from something without enough current drive is this: (option A) but why not this: (option B) Option B seems to have some advantages over option A: fewer components the transistor does not
The Question : 60 people think this question is useful Another form of the question is: will joining two diodes with wires (pn-np) make a transistor-equivalent? I read that they are not equivalent, but why? The Question Comments : For one thing, holes won’t go through metal wires. I came here after an article teaching
