Home     Contact     Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science     RSS     Terms of services     Privacy policy  
   
 Home      Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science   


<< Back to INDEX

BJT and FET Transistor - Liquid Flow Animations [Theory]
posted October 13 2014 18:00.33 by Giorgos Lazaridis




Though both BJTs and FETs are Transistors that can be used as amplifiers (or switches of course), that is just about everything they have in common. Their operation is very different.

Transistors: (Download my Transistor Theory PDF) They are current-controlled devices. This means that the amount of current that flows through the Collector-Emitter is controlled by the amount of current which flows through the Base.

FET: They are voltage-controlled devices. In principle, no current flows through the base (other than a few micro amperes due some manufacturing parameters). The amount of current which flows through the Drain-Source is controlled by the voltage applied at the Gate.

I stumbled upon two animations with hydraulic equivalents of a Transistor and a FET device. Watch them and notice how the current flow is controlled in each case. Very good work!

The Bipolar Junction Transistor (BJT) Hydraulic Equivalent Animation



The MOSFET Hydraulic Equivalent Animation
 
Share



You might also like...


Why leap years exist [Random Knowledge #26]

Beware of the fake CE sign

There are about 120 corpses on mount Everest - [Random Knowledge #46]

Get to know the Amazing Randi [Video]

Six famous thought experiments to put you into thinking [Video]

Analysing 433 Mhz transmitters with RTL-SDR [Education]

How tall can a mountain be on Earth? [Geology]

How do we know that the universe is flat? [Space]


<< Back to INDEX



Comments

  Name

  Email (shall not be published)

  Website

Notify me of new posts via email


Write your comments below:
BEFORE you post a comment:You are welcome to comment for corrections and suggestions on this page. But if you have questions please use the forum instead to post it. Thank you.


      

  • At 15 October 2014, 5:35:15 user Teodor wrote:   [reply @ Teodor]
    • Good day!
      Please let me congratulate you for the transistor animations. Although they're very suggestive, the video length is short and I had to replayed it several times. Also I downloaded the Transistors Theory PDF and due to the analogy to the hydraulic system, I have a better grasp on transistors now. Keep up the good work.

      Have a nice day,
      Teodor












     Contact     Forum     Projects     Experiments     Circuits     Theory     BLOG     PIC Tutorials     Time for Science     RSS   

    Site design: Giorgos Lazaridis
    © Copyright 2008
    Please read the Terms of services and the Privacy policy