In the early days, PNP bipolar transistors were common, but the bulk of circuits you see today use NPN transistors. As [Aaron Danner] points out, many people think PNP transistors are “backward” but ...

In the datacenter, the platform’s high-performance PNP transistors enable innovative amplifier topologies ... 130CBIC is available for prototyping through GF’s GlobalShuttle multi-project wafer ...

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 ...