What is Pulse Width Modulation? How to generate PWM signal ? Pulse Width Modulation Explained

In this video, the pulse width modulation is explained using the example.

By watching this video, you will learn the following topics:
1) What is Pulse Width Modulation
2) The applications of Pulse Width Modulation
3) Duty Cycle and Switching Frequency of PWM Signal
4) How PWM is effective than conventional methods
5) How to Generate PWM signal?

What is Pulse Width Modulation:

It is a modulation technique where changing the width of the digital control signal, the power delivered to any load is controlled.

Because of its precise control over the controlled parameter, low power loss and high efficiency this technique is used in a wide range of applications.

Applications of Pulse Width Modulation:

1) Dimming the LED Lights
2) Controlling the fan speed of CPU (Controlling the speed of DC Motor)
3) Controlling the brightness of the display in laptops
4) In power supplies (DC-DC converter, SMPS etc…,)

Duty cycle and Switching Frequency of the PWM signal:

With PWM signal two parameters are always associated:
1) Duty Cycle
2) Switching Frequency

Switching Frequency defines how fast the switching takes place. It defines the time period of the PWM signal

The Duty Cycle defines the ON time of the pulse. It is the ratio of the On time of the pulse to the total time period.

How to Generate PWM Signal:

There are many ways PWM signal can be generated. In the video, three simple ways have been explained.

1) Using Comparator
2) Using 555 timer IC
3) Using Microcontroller board (Arduino)

This video will be helpful to everyone in understanding what is Pulse Width Modulation and how it can be used for controlling the different devices.

Here is the Full playlist link for this course:
MPLAB X IDE Programming Course Playlist Link: https://www.youtube.com/playlist?list=PL_zvrXFdKgZpTrM99mypGVW5JBZ6tQZiR

For learning this course for free with all the documents and necessary source code for all the lectures
visit us on : www.smtrainingacademy.com

Embedded Courses Link: http://smtrainingacademy.com/course/eyJpdiI6Ind5RktjSGxzTmVBRGZuS3grSmJzWlE9PSIsInZhbHVlIjoiS3RyRTlDNytaVE54RUszamRsODV2Zz09IiwibWFjIjoiYTYwMmNmN2QxMDEwNTUzOTZiYjE4Y2UyZmFlNWEwZWQwM2MzYWFhMTI5Y2EwMDIyNTMwNWQxZWY4YzE2NzdjOCJ9

CONTACT US ON : smtrainingacademy@gmail.com

Advantage of learning the course on our site is you can access all the source code and documents necessary then and there and you can track your progress in the courses. visit our site ,Register for free and login to get access to lot of courses like this for free.

#PWM
#PulseWidthModulation