Still a germanium PNP device, but this time in a metal ... We then spend a couple of pages looking at a transistor as a switch. A 10K base resistor is used to bias an AC128 with a flashlight ...

This circuit is called a high-side switch – it enables you ... we typically just refer to them as NPN or PNP transistors. These are all under the transistor umbrella, but when people say ...

The first transistor was about half an inch high. That's mammoth by today's standards, when 7 million transistors can fit on a single computer chip. It was nevertheless an amazing piece of technology.

The working principle of PNP Darlington transistors involves the cascading of two transistors, where the emitter of the first transistor is connected to the base of the second. This arrangement ...

Transistors are small, versatile semiconductor devices designed to switch or amplify electronic signals and ... The negative and positive connections made by a PNP transistor are also the reverse of ...