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View Resource Field Effect Transistor

This resource provides an interactive activity on field effect transistors. These are "a type of transistor that utilizes an electric field to control the shape of a channel in which charge carriers in a semiconductor material flow." An interactive diagram is presented allowing students to experiment with a virtual transistor and watch a simulation of how it works.

View Resource Electronic Familiarity: Identification of Electronic Components Experiment

The Materials Science and Technology Teacher's Workshop (MAST) provides this lesson plan which will help students understand the characteristics of basic electronic devices such as diodes, rectifiers, photocells, thermistors, integrated circuits and transistors. The students will get the chance to examine different types of devices with a hand lens magnifier, microscope or stereoscope (depending...

View Resource How Does A Transistor Work? No, How Do They Really Work?

A simple explanation of how a transistor works. Most introductory textbooks do a very poor job of explaining the details of how transistors work. First they assume that the Base current is somehow controlling the Collector current, then they try to explain how one current can affect another. These explanations always fail because Bipolar transistors, like FETs, are voltage-controlled devices. One...

View Resource Molecular Expressions: Electricity and Magnetism

This interactive Java tutorial explores the many steps necessary to build a transistor on a silicon wafer. It allows you to explore how an individual Field Effect (FET) transistor is fabricated on a silicon wafer simultaneously with millions of its neighbors. Keywords: Photoresist, doping, deposition, silicon

View Resource The MOSFET

This is a Quicktime animation explanation of a MOSFET. Almost all electronics and appliances, including personal computers, contain millions of silicon MOSFETs on a thumbnail sized chip. The metal–oxide–semiconductor field-effect transistor (MOSFET, MOS-FET, or MOS FET) is a device used for amplifying or switching electronic signals.

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