Over the recent weeks here at Hackaday, we’ve been taking a look at the humble transistor ... and how and where you might use one. A diagram of an n-channel JFET. As the negative gate voltage ...

Also called a "bipolar junction transistor" (BJT), it is one of two major transistor categories; the other is "field-effect transistor" (FET). Although the first transistor was bipolar and the ...