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Lecture 10 Apr 2 by Mind Map: Lecture 10 Apr 2
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Lecture 10 Apr 2


Advantages of FET The main advantage of the FET is its high input resistance, on the order of 100M ohms or more. Thus, it is a voltage-controlled device, and shows a high degree of isolation between input and output. It is a unipolar device, depending only upon majority current flow. It is less noisy and is thus found in FM tuners for quiet reception. It is relatively immune to radiation. It exhibits no offset voltage at zero drain current and hence makes an excellent signal chopper. It typically has better thermal stability than a BJT.[2]

Internet Explorer Flash JFET animation

Explanation JFET



Freescale PDF



Power consumption applet



metal–oxide–semiconductor field-effect transistor

AKA IGFET "insulated gate"

Possible group work

Characteristics of good switch

Digital logic

Characteristics needed for computers?

How to make NAND gate?

Group exercises with 2N7000 circuits

Several examples on chalkboard

What is current?

What is output?

What if I put an LED here?

Kinesthetic NMOS activity


Refresh on semiconductor PhET applet

n-doping, p-doping, electrons, holes, etc.

Kinesthetic NMOSFET exercise

Discussion of NMOS

Falstad app

NMOS switch

CMOS if time

Group work

Using transistors as logic switches, What are some desireable characteristics if you're thinking about large-scale integrated circuits?

Group work

NMOS circuits that we'll build in lab today / Wed, Similar to this wikipedia schematic