Transistors what s so big about em
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Transistors - What’s So Big About ‘Em?. Introduction. KWLD What do you know about transistors? What do you want to know about transistors?. Check it Out. In which circuit did we hear a buzz? Why?. Team Challenge. Goal: Find out what a transistor is and be able to describe how it works.

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Presentation Transcript

Introduction
Introduction

KWLD

  • What do you know about transistors?

  • What do you want to know about transistors?


Check it out
Check it Out

  • In which circuit did we hear a buzz?

  • Why?


Team challenge
Team Challenge

Goal: Find out what a transistor is and be able to describe how it works.

Materials List

  • 1 – 2N7000 N-CH-ENH_MOSFET

  • 1 – DPST switch

  • 1 – LED (Light Emitting Diode)

  • Breadboard

  • Breadboard wire pack (pre-trimmed wires for making connections on the breadboard)

  • Needle nose pliers

  • 6V battery pack (includes 4 – “AA” batteries)


Team challenge1
Team Challenge

  • Find the 6V battery pack, a transistor, an LED (Light Emitting Diode), and a switch from your kit.

  • Wire the circuit as shown in the diagram.

  • Be sure that the long lead on the LED is connected to the power side, not the transistor side.


Observations and analysis
Observations and Analysis

  • What determines whether or not the LED lights up?

  • What connects the source to the drain?

  • How does a transistor serve as an on/off switch?


Conclusions
Conclusions

Finish the KWLD

  • What did you learn about transistors?

  • What can you do with what you learned about transistors?


Make the connection
Make the Connection

  • The only real difference between islands and oceans is the concentration of the two materials.

    • Islands are mostly sand with a little water.

    • Oceans are mostly water with a little sand.


Make the connection1
Make the Connection

  • Change the concentration of water and sand!


Make the connection2
Make the Connection

  • The NMOS Transistor



Make the connection4
Make the Connection

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