CHAPTER 7
Bipolar Junction Transistors
In previous chapters, we have dealt with two terminal electronic components such as resistors, capacitors, diodes, and LEDs. We will now explore the commonly used bipolar junction transistors (BJTs, also known as bipolar transistors), which are three-terminal devices. They are in many do-it-yourself (DIY) projects and manufactured products.
Bipolar Junction Transistors
The first transistor was invented at Bell Laboratories in 1948. It had a point contact type of construction that was difficult to manufacture. The point contact transistor technology was replaced by the (alloy) junction transistor that was ...
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