Introduction to Digital Electronics

In this video, some of the basic aspects of Digital Electronics are covered.

Here is the list of different topics covered in the video:
0:00 Introduction
1:08 Analog Signal Vs Digital Signal
2:51 Advantage of Digital System over Analog System
6:14 Overview of Digital Circuits
9:11 Topics to be covered in upcoming videos

Digital Electronics (Playlist):

Introduction to Digital Electronics:
Digital electronics is the field of electronics that deals with digital signals.
It means the signal which is processed or generated using the electronic circuits is digital in nature. Smartphones, personal computer, and many communication equipments which we are using in our day to day life are the example of it.

Analog Signal vs. Digital Signal

An Analog signal is the type of signal whose amplitude can take any value in the given range. Most of the naturally occurring signals are analog in nature. For example, voice signal, temperature, pressure signal are examples of analog signals.

Digital signals are the ones whose amplitude can take only finite values in the given range.
Virtually all the modern digital circuits which we know are working on two voltage levels. High Voltage level (often referred as Logic High) and Low Voltage level (often referred as logic low).
Since the digital circuits are working with only two discrete voltage levels, the digital inputs and outputs can be represented using the binary number system

Advantages of Digital System over Analog System:

1. Digital Signal is immune to noise and interference
2. The digital data is easy to store, replicate, and process
3. Digital systems are more accurate and reliable than analog systems
4. Compared to an analog system, digital systems are easily scalable
5. Currently, the digital circuits are much easy to fabricate and it is also possible to fabricate them in larger density

Most of the naturally occurring signals are analog in nature. To process them in the digital domain,
first, it needs to be converted into a digital signal. Using analog to digital converter, it is possible to convert the analog signal into a digital signal. And if required then using Digital to Analog Converter (DAC) it is possible to convert the digital signal back into the analog signal.

Introduction to ADC and DAC:

ADC and DAC Playlist:

Logic Gates: The basic building block of digital circuits

The logic gates are the basic building block of digital circuits. Using these logic gates various logic functions can be implemented. In general, digital circuits can be classified as either combinational circuits or sequential circuits.

In combinational circuits, the output of the circuit depends on the present input to the circuit, while in the sequential circuit, the output of the circuit depends on the present inputs as well as the past outputs. Using a sequential circuit it is possible to store the digital data. The flip-flop is a very basic sequential circuit that can store one bit of information. Combining various flip-flops, it is possible to design more complex sequential circuits.

This video will be helpful to all the students of science and engineering in understanding the basics of Digital Electronics.

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#DigitalElectronics
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For more info, check this Digital Electronics Playlist:

Timestamps for the different topics covered in the video:
0:00 Introduction
1:08 Analog Signal Vs Digital Signal
2:51 Advantage of Digital System over Analog System
6:14 Overview of Digital Circuits
9:11 Topics to be covered in upcoming videos

[Mbakaza_GM]

I am a first year studying digital electronics. This gives me a great insight to the module. Through your course guide I hope to get exceptional results.

[sciencewithoutboundaries]

I am a College Student studying Physics Hons. I see your videos regularly. Your teaching is really excellent !

[anandkalyanji]

thanks 😊 for saving me to fail in exams and most importantly to get me in the concept for future 🙌.

[arijitbasu]

Well structured lecture for beginners. Highly recommended lecture for UG student.

[ChanduriBhavaniShankar]

Hello sir, you're classes are awesome.
I would like to ask you to provide the slides/ppt presentation in the videos as notes for us in the description of every video.
I hope you'll do it.
Thank you 😊

[王爸爸-bj]

I think it's a good idea to learn digital circuit and improve my English a little as well.

[poojashah]

Gratitude for giving constantly very helpful topic videos with such a great explanation that can easily understood 🙏🏻🙏🏻

[arnabmallick]

Nice boss..Started another important series.

[mnada]

I suggest that you include some explanation about how these gates are implemented from electronics point of view

[waqasahmad]

You are doing a very good job for a long time...!
Love 💗😘 you..!

[manojkumarsahu]

Thank you sir I like your videos so much.
I support your efforts

[arnabmallick]

Please plan for a series on EM Theory as well.

[makeenglisheasy]

Please provide complete course of digital electronics

[hemarajue]

What is the difference between discreet time signal and digital signal?
I think, a discreet time signal can assume finite number of voltage levels where as the digital signal strictly two. Is there any signal like binary signal?

[SGsirPhysics]

I think you could compare analog and digital circuit with respect to power also.

[ganiulrajjak]

A very beautiful explanation....loved it

[laasritha]

can you please make videos on micro controllers

[RachnaYadav-cw]

I am a bca 1 year student can i follow the playlist .

[shivangeetiwari]

My subject is digital logic and application and i am student or first year is it helpful for me Plz. Reply