to construct a switch using a transistor project
#1

Please help me in this project-"To construct a switch using a transistor and to draw the graph between the input and output voltage and mark the cut off, saturation and active regions".
Reply
#2

to construct a switch using a transistor project

Transistor is a semiconductor device used for switching and amplification of weak signals. This article explains how a transistor work and the working of transistor as a switch. At present, transistors are applied in most of the electronic equipments for switching purposes. Digital ICs, Microcontrollers, etc uses thousands of embedded transistor for switching. The huge electrical networks are also switched by simple transistor switching circuit
(Most of the Power electronics circuits). Here we are discussing about npn transistor switching circuit. To realize the exact working principle, an LED (Light Emitting Diode) is connected to the collector of npn transistor. It glows according to the base current. Don’t forget to connect the base resistor (Rb) to limit the base current other wise the transistor become damage. Transistor switching circuits are also employed in DC Motor driver circuit

Working principle of transistor switch

Consider the first figure in which base terminal of the npn transistor is closed then the transistor is said to be in ON state (similar to a short circuit between Vcc and Ground) so the collector voltage is very low (0.02V approx)
Whole current from Vcc will flows through the transistor, no current flow through the LED because current chooses low resistance path.

Therefor LED connected at the Collector is in OFF state since the voltage at the anode of LED is 0.02V.
Consider the second figure, When the voltage at the base terminal removed (open circuit), the transistor become OFF (means an open circuit between Vcc and Ground) then its collector voltage will be Vcc (Supply voltage)
Since the transistor is in OFF state, the whole current will flows trough the LED, Then the LED glows
Reply

Important Note..!

If you are not satisfied with above reply ,..Please

ASK HERE

So that we will collect data for you and will made reply to the request....OR try below "QUICK REPLY" box to add a reply to this page
Popular Searches: topics for physics project on transistor as a switch, construct validity interviews, to construct a switch using a transistor and to draw a graph input and output voltage and mark cut off, to construct a switch using a transistor project s observations, transistor as a switch class 12 project file, to construct a switch using a transistor and to draw the graph between the input and output voltages and mark cut off saturat, physics project on to construct a switch using a transistor,

[-]
Quick Reply
Message
Type your reply to this message here.

Image Verification
Please enter the text contained within the image into the text box below it. This process is used to prevent automated spam bots.
Image Verification
(case insensitive)

Possibly Related Threads...
Thread Author Replies Views Last Post
  authentication schemes for session passwords using color and images project source code 2 2,231 03-02-2018, 09:35 AM
Last Post: Nischithnash
  source code for task scheduling using genetic algorithm using java 2 8,445 11-04-2017, 08:31 PM
Last Post: Guest
  abstract report on railway switch signal 2 706 21-07-2016, 03:07 PM
Last Post: dhanabhagya
  literature review of construction of automatic change over switch 1 637 04-07-2016, 01:54 PM
Last Post: visalakshik
  digital soil moisture tester project using ic lm3915 1 690 02-07-2016, 12:06 PM
Last Post: visalakshik
  load flow solution using newton raphson method using pscad 1 1,504 24-06-2016, 02:53 PM
Last Post: seminar report asees
  variable dc power supply using ic lm317 project report in pdf format 1 814 23-06-2016, 11:22 AM
Last Post: seminar report asees
  image compression using huffman coding project reports 1 537 07-05-2016, 10:53 AM
Last Post: dhanabhagya
  project report on drawing a snowman using opengl download 1 683 04-05-2016, 11:37 AM
Last Post: dhanabhagya
  download artificial retina using thin film transistor technology ppt 1 541 26-04-2016, 01:12 PM
Last Post: dhanabhagya

Forum Jump: