Digital Circuits Lecture-68: Design of Synchronous MOD-10 Counter

In this lecture, i discussed about design of MOD-10 or decade or BCD counter.and also design of MOD-6 down counter.

For Video Lecture follow the below link:  
https://youtu.be/7MS0Ic1c-2w

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/cdq3s6ok8m37kdu/DE-Lec-68.pdf 

Digital Circuits Lecture-67: 3-bit Synchronous DOWN Counter using JK-FF

In this lecture, i discussed how to design 3-bit or MOD-8 synchronous up counter using JK-FF.

For Video Lecture follow the below link:  
https://youtu.be/8CRWN_0RGyU

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/p1xa3bucghzh1yc/DE-Lec-67.pdf 

Digital Circuits Lecture-66: 3-bit Synchronous DOWN Counter

In this lecture, i discussed how to design 3-bit or MOD-8 synchronous up counter using D-FF.


For Video Lecture follow the below link:  
https://youtu.be/zVmGkgseNZo

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/3tqthzhy1qk7na4/DE-Lec-66.pdf 

Digital Circuits Lecture-65: 3-bit Synchronous UP Counter

In this lecture, i discussed how to design 3-bit synchronous up counter or MOD-8 synchronous up counter using T-FF.

For Video Lecture follow the below link:  
https://youtu.be/AzDGDqLWJQg

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/ew8z8wwzq3sr7pq/DE-Lec-65.pdf 

Digital Circuits Lecture-64: 2-bit Synchronous UP/DOWN Counters

In this lecture, i discussed how to design 2-bit synchronous up counter using JK-FF and T-FF.and also shown how to design 2-bit down counter using JK-FF.


For Video Lecture follow the below link:  
https://youtu.be/-jKomdoCiGo

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/0yl49ks3h4x2q1w/DE-Lec-64.pdf 

Digital Circuits Lecture-63: Design of Synchronous Counters

In this lecture, i discussed how to design of design of synchronous counters is discussed. and also discussed design of 2-bit synchronous up counter.


For Video Lecture follow the below link:  
https://youtu.be/QqdiA3OJ-rY

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/1n3d4gme8c5v45w/DE-Lec-63.pdf 

Digital Circuits Lecture-62: Asynchronous Counters- Part 7

In this Lecture, i discussed about the cascading of ripple counters and drawbacks in ripple counters and how to overcome them.



For Video Lecture follow the below link:  
https://youtu.be/ocy4eoDmXko

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/dv96h5dj2savrx6/DE-Lec-62.pdf 

Digital Circuits Lecture-61: Asynchronous Counters- Part 6

In this Lecture, i discussed how to design up/down ripple counter, i.e same circuit is performing both up and down counting.


For Video Lecture follow the below link:  
https://youtu.be/HE-m1t6gGlM

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/4jo6mcw58z6d9ax/DE-Lec-61.pdf 

Digital Circuits Lecture-60: Asynchronous Counters- Part 5

In this lecture, i shown how to design MOD-9 ripple up counter, MOD-10 ripple down counter and BCD ripple counter.

For Video Lecture follow the below link:  
https://youtu.be/otH-tweAo7c

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/a6bad61rum3bjf0/DE-Lec-60.pdf 

Digital Circuits Lecture-59: Asynchronous Counters- Part 4

In this lecture, i discussed how to design MOD-6 ripple up counter and MOD-5 ripple down counter. and also discussed what is preset and clear inputs.


For Video Lecture follow the below link:  
https://youtu.be/I39JL-LvSi8

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/s6eqt8mj6216tz6/DE-Lec-59.pdf 

Digital Circuits Lecture-58: Asynchronous Counters- Part 3

In this lecture, i discussed about how to design ripple counter using D-FF. i.e i designed 2 bit up counter using negative edge triggered D-FF and 3-bit down counter using positive edge-triggered D-FF.

For Video Lecture follow the below link:  
https://youtu.be/e2TbLs0k64A

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/af4dnahqbjoozz9/DE-Lec-58.pdf 

Digital Circuits Lecture-57: Asynchronous Counters- Part 2

In this lecture, i discussed how to design 3-bit ripple counter or MOD-8 ripple counter, 4-bit ripple counter or MOD-16 ripple counter.


For Video Lecture follow the below link:  
https://youtu.be/Fjln89ERE2E

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/n0850xtrqtapn2w/DC-Lec-57.pdf 

Digital Circuits Lecture-55&56: Asynchronous Counters- Part 1

In this lecture, i discussed about the asynchronous or ripple counters.
 i.e  1. How a JK FF go through some sequence when we applied a clock.
      2. 2-bit up counter using negative edge triggered JK - FF
      3. 2-bit up counter using negative edge triggered T - FF
      4. 2-bit up counter using positive edge triggered T - FF
      5.  2-bit down counter using positive edge triggered JK - FF

For Video Lecture follow the below link:  
https://youtu.be/UCWIfkxeSHQ

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/smd8yg2xfqk4rpe/DE-Lec-55%2656.pdf 

Electronic Devices Lecture-17&18: Temperature Effects on Metal and Semiconductor Parameters

In this lecture, i explained how the metal and semiconductor resistance and conductivity changes with temperature and also solved few problems based on conductivity, drift and diffusion.
And also discussed how the conductivity varies with respect to temperature.


For Video Lectures follow the below link:  
https://youtu.be/Ij6Hci5C26c 

https://youtu.be/aiTcSWZ0tJ4


For Lecture Material download from follow the below link:
http://www.mediafire.com/file/xedzfa2qpwwbg4b/EDC-Lec-17%2618.pdf 

Electronic Devices Lecture-16: Drift and Diffusion Currents

In this lecture, concept of drift and diffusion currents is discussed.and also given Einstein relationship for the diffusion coefficient and mobility.

For Video Lecture follow the below link:  
https://youtu.be/jhZiEon3nx4


For Lecture Material download from follow the below link:
http://www.mediafire.com/file/ooyondotwf3ldcm/EDC-Lec-16.pdf 

Electronic Devices Lecture-15: Discussion on GATE Questions - EDC

In this lecture, i solved few gate problems from basic concepts in EDC.


For Video Lecture follow the below link:  
https://youtu.be/trD4oCQlMNA


For Lecture Material download from follow the below link:
http://www.mediafire.com/file/2d6vjqp3ipb0pcc/EDC-Lec-15.pdf 

Electronic Devices Lecture-14: Summary and Problems on Basic Concepts in EDC

In this lecture, i have given a summary on formulas in EDC and also solved few problems based on these formulas.

For Video Lecture follow the below link:  
https://youtu.be/DtOoBgQr1ww


For Lecture Material download from follow the below link:
http://www.mediafire.com/file/jlwtnamp8dfbbor/EDC-Lec-14.pdf 

Electronic Devices Lecture-13: Charge densities and conductivity in semiconductors

In this lecture, i discussed about the charge densities in semiconductors and also how to find conductivity in intrinsic and extrinsic semiconductors. and also discussed how the mobility changes with temperatures.

For Video Lecture follow the below link:  
https://youtu.be/Jesnzuw3e3k


For Lecture Material download from follow the below link:
http://www.mediafire.com/file/7g970zfhk4496ns/EDC-Lec-13.pdf 

Electronic Devices Lecture-12: Extrinsic Semiconductor

In this lecture , i explained about the extrinsic semiconductors, i.e how to make n-type and p-type semiconductors and their energy band diagrams. and also discussed about the crystal lattice structures of n-type and p-type semiconductors.


For Video Lecture follow the below link:  
https://youtu.be/Xf_sEa1eEBI



For Lecture Material download from follow the below link:
http://www.mediafire.com/file/gh7tfcy3wk9ps1u/EDC-Lec-12.pdf 

Electronic Devices Lecture-11: Intrinsic Semiconductor

In this lecture, i discussed about the intrinsic semiconductor.i.e energy band diagram of intrinsic semiconductor and crystal structure are explained.

For Video Lecture follow the below link:  
https://youtu.be/y7FAN1csR4w



For Lecture Material download from follow the below link:
http://www.mediafire.com/file/vye2m2cbrpmmii4/EDC-Lec-11.pdf 

Electronic Devices Lecture-10: Bonding Forces In solids and Holes in semiconductors

In this lecture, concept of bonds in solids and hole mechanism in semiconductor are explained.

For Video Lecture follow the below link:  
https://youtu.be/rX7HXeFW6wA



For Lecture Material download from follow the below link:
http://www.mediafire.com/file/e9hed2sm8v15bxh/EDC-Lec-10.pdf 

Electronic Devices Lecture-9: Mobility and Conductivity of a Metal

In this lecture, i discussed about the types of semiconductors, transport phenomena in semiconductor, mobility and conductivity of metal.and also given expressions for drift speed, current density, drift speed and conductivity.


For Video Lecture follow the below link:  
https://youtu.be/EnKvBnIIqd8



For Lecture Material download from follow the below link:
http://www.mediafire.com/file/66wp6o8mqt9xpxh/EDC-Lec-9.pdf 

Electronic Devices Lecture-8: Direct and Indirect Semiconductor

In this lecture, i explained the classification of semiconductors based on its energy band structure and applications of them.


For Video Lecture follow the below link:  
https://youtu.be/nat4IE9rJ8k



For Lecture Material download from follow the below link:
http://www.mediafire.com/file/3z9obgi85lvspub/EDC-Lec-8.pdf 

Electronic Devices Lecture-7: Energy-band Structure of Insulator, Semiconductor and Metal

In this lecture, i discussed the concept of energy-band structure of an insulator, semiconductor and metal. and also discussed the relationship between energy gap and temperature in semiconductor.

For Video Lecture follow the below link:  
https://youtu.be/ZZ5SR8uxpxY



For Lecture Material download from follow the below link:
http://www.mediafire.com/file/19uahvizsrhqyn7/EDC-Lec-7.pdf 

Electronic Devices Lecture-5 & 6: The Nature of the Atom & The Energy-band Theory of Crystals

In lecture 5: I discussed about the nature of the atom, in this we should remeber some expression for the GATE exam point of view.

In lecture 6: In this lecture, i discussed about the electronic configuration of 4th group elements, the orbital model of silicon atom then i discussed about the energy-band theory of crystals.



For Video Lectures follow the below link:  
 https://youtu.be/X7CRky-fDe4

https://youtu.be/b_G5jYGvLUQ 



For Lecture Material download from follow the below link:
http://www.mediafire.com/file/k2roo5a5f2msu9x/EDC-Lec-5%266.pdf 
 

Electronic Devices Lecture-4: Charge, Current, Field and Energy

In this lecture, i discussed about electron charge, current, field intensity, potential and energy which will be helpful in learning electronic devices course.


For Video Lecture follow the below link:  
https://youtu.be/i9QyaRrDruE

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/0q5bd952gzt0hbg/EDC-Lec-4.pdf 

Electronic Devices Lecture-3: Semiconductor Materials

In this lecture, i discussed about different types of semiconductors and their applications.



For Video Lecture follow the below link:  
https://youtu.be/TL0S8h2UKXE

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/ico5q4udefgfuaz/EDC-Lec-3.pdf 

Digital Circuits Lecture-54: Master-Slave D Flip-Flop

In this lecture, i discussed abut the master-slave D flip-flop or edge triggered flip-flop. 


For Video Lecture follow the below link:  
https://youtu.be/Obur9ky7pVs

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/4y1v49037tcdb7t/DE-Lec-54.pdf 

Digital Circuits Lecture-53: Race Around Condition

In this Lecture, i explained what is the race around condition and in which flip-flop it occurs. 


For Video Lecture follow the below link:  
https://youtu.be/7u4gO_6UKY4

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/o6uek1z52285h4u/DE-Lec-53.pdf