EDN

How To Choose The Right Transistor (PNP or NPN)

The two types of standard transistors are PNP and NPN which differs in circuit symbols. The layers of semiconductor material used to make the transistor are denoted by the letters. To keep a straight ...
EDN

An introduction to analog circuit design* Part 1: Transistors and Elementary Circuits

Modern circuit design is a “mixed signal” endeavor thanks to the availability of sophisticated process technologies that make available bipolar and CMOS (Complementary Metal Oxide Semiconductor), ...
Electronic Design

What’s the Difference Between PNP and NPN Transistors?

The transistor is probably the most important invention in electronic engineering and the basis for nearly all integrated circuits (ICs). The transistor is a three-terminal electronic device that can ...
Canadian Manufacturing

Key factors to consider when manufacturers are deciding between NPN and PNP transistors

Manufacturing companies, particularly those that mass-produce electronic circuits, work pretty much around bipolar junction transistors, like PNP and NPN. However, choosing between these two BJTs can ...
Nature

Doped organic transistors operating in the inversion and depletion regime

Controlled doping of semiconductors leads to highly reproducible transistors with precisely tunable device characteristics 1, which is witnessed by the success of inorganic metal-oxide-semiconductor ...