Transistors: Learn About Transistors Here > Transistors are a three terminal semiconductor device used to regulate current, or to amplify an input signal into a greater output signal. Transistors are
also used to switch electronic signals. The circulation of electrical current through all types of transistors is adjusted by electron addition. This process
creates variations in voltage to cause proportionally larger variations in output current, creating amplification.
Although it varies, most Types of Transistors are quite small and versatile. Nearly every electronic device contains at least one or more types of
transistors. For many, transistors have been deemed one of the key inventions of the modern electrical era because of the transistors standard and frequent
place among electronic systems and modern circuits.
Most types of transistors are packaged individually but can also be included in an integrated circuit. Within these integrated circuits, the number of
transistors can vary greatly depending upon the application.