Thursday, October 12, 2017

Analog Circuits Lecture 2: The Ideal Diode and Its applications

In this lecture, i discussed about the ideal diode and its I-V characteristics, applications. and also discussed about  how to determine which diode is on and off in a multi diode circuit.
For Video Lecture follow the below link:  
https://youtu.be/ByUcx6wpKGU

https://youtu.be/4q930UN_t64 
 
For Lecture Material download from follow the below link:

http://www.mediafire.com/file/5me1bubjr957wmt/AEC-Lec-2.pdf 

Sunday, October 1, 2017

Electronic Devices Lecture-34: GATE-2017 Questions on the PN-Junction

 In this lecture, i solved gate 2017 questions on the pn junction.
 
 For Video Lecture follow the below link:  
https://youtu.be/ioTT2uVb-VU

 
For Lecture Material download from follow the below link:

 http://www.mediafire.com/file/v95aqqtise9l571/EDC-Lec-34.pdf

Saturday, September 30, 2017

Electronic Devices Lecture-33: Previous GATE Questions on the PN-Junction

In this lecture, i solved previous year GATE  problems based on the pn- junction under equilibrium condition.

For Video Lecture follow the below link:  
https://youtu.be/3WLxLSejMWQ

 
For Lecture Material download from follow the below link:

http://www.mediafire.com/file/965s95e9nduk2n3/EDC-Lec-33.pdf 

Friday, September 29, 2017

Electronic Devices Lecture-32: Questions and Solutions on the PN-Junction

In this lecture, i solved few problems based on the pn- junction under equilibrium condition.


For Video Lecture follow the below link:  
https://youtu.be/rs1XrOKXLq4

 
For Lecture Material download from follow the below link:

http://www.mediafire.com/file/h37xry2lxkjmx14/EDC-Lec-32.pdf 

Electronic Devices Lecture-31: The PN-Junction: Part 4

In this lecture, i discussed about the charge density, electric field distribution and the derivation of depletion layer width.
For Video Lecture follow the below link:  
https://youtu.be/7k0fstxOJcI

 
For Lecture Material download from follow the below link:

http://www.mediafire.com/file/2apw3mcrnoxqcr0/EDC-Lec-31.pdf 

Thursday, September 28, 2017

Electronic Devices Lecture-28,29&30: The PN-Junction: Part 1,2,3

In these lecture i discussed following topics:
1) How to form a pn junction
2) Applications of pn junction
3) Charge neutrality in n-type and p-type semiconductors
4) PN junction behavior in Equilibrium
5) The contact potential in the pn junction

For Video Lectures follow the below links: 

 Lecture 28:
 https://youtu.be/9z0f1Orc4wM

Lecture 29: 
https://youtu.be/wTb1qMC6YVs 

Lecture 30:
https://youtu.be/RcWp_jhvosk 


  For Lecture Material download from follow the below link: 

http://www.mediafire.com/file/98cul0cxa7h0e4z/EDC-Lec-28%2C29%2C30.pdf 


Monday, September 11, 2017

Electronic Devices Lecture-27: Problems on The Potential Variation in Graded Semiconductor-2

In this lecture i solved two gate problems on The Potential Variation in Graded Semiconductor.
and i am uploading important points in semiconductor theory.

For Video Lecture follow the below link:  
https://youtu.be/b4sBvF7qVPc

 
For Lecture Material download from follow the below link: 

http://www.mediafire.com/file/qmljrp3mxtmiejw/EDC-Lec-27.pdf 

Saturday, September 9, 2017

Electronic Devices Lecture-26: The Potential Variation in Graded Semiconductor

In this lecture, i discussed about the potential variation in graded semiconductor. i.e how the electric field is generated in the semiconductor bar due to non uniform doping.

For Video Lecture follow the below links:  
https://youtu.be/LOPPUYEZCuY

 
For Lecture Material download from follow the below link:

http://www.mediafire.com/file/oiy2s57tzsz8c8w/EDC-Lec-26.pdf

Wednesday, September 6, 2017

Electronic Devices Lecture-24: Generation and Recombination of charge carriers

In this lecture, i discussed about the generation and recombination of charge carriers in semiconductors. and plot the graph between the excess hole concentration distribution with respect to time.


For Video Lecture follow the below links:  
https://youtu.be/g89fPzyBLac 


For Lecture Material download from follow the below link:
http://www.mediafire.com/file/t5fzg8i54414hcd/EDC-Lec-24.pdf 

Tuesday, September 5, 2017

Electronic Devices Lecture-23: Problems on Steady state carrier injection

In this lecture, i solved five problems on steady state carrier injection.


For Video Lectures follow the below links:  

https://youtu.be/EFT3mpi8RMM

https://youtu.be/R5sjC82MzbY

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/slaetff92a231cc/EDC-Lec-23.pdf 

Friday, September 1, 2017

Electronic Devices Lecture-22: Diffusion and Recombination: Steady state carrier injection-Part 2&3

In this lecture, i discussed about the steady state carrier injection. i.e i discussed the injection of excess carrier concentration in p-type semiconductor. and also shown how the excess carrier concentration distribution along the distance x and  the injection of minority carrier concentration in p-type semiconductor. and also shown how the excess carrier concentration distribution along the distance x.


For Video Lectures follow the below links:  

https://youtu.be/M8jZzutqfs0 

https://youtu.be/ts1XdZLRqfY

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/81w0s8knz4gkhr1/EDC-LEC-22_%28PART_2%263%29.pdf 

Tuesday, August 29, 2017

Electronic Devices Lecture-22: Diffusion and Recombination: The Continuity Equation-Part 1

In this Lecture, i discussed about the diffusion and the effect of recombination and also defined what is the continuity equation.

For Video Lecture follow the below link:  
https://youtu.be/l9X8S2bCWAc

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/x2hxfk2ktr1pqa9/EDC-Lec-22_%28Part-1%29.pdf 

Tuesday, August 22, 2017

Electronic Devices Lecture-21: Problems on Fermi level Concept

In this lecture, i discussed few problems on Fermi level concept.

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

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/8fuefjok94w55mx/EDC-Lec-21.pdf 

Electronic Devices Lecture-20: Fermi level variations in semiconductors

In this lecture, i discussed about temperature dependence of carrier concentrations and Fermi level variations in semiconductors.

For Video Lecture follow the below link:  
https://youtu.be/T_S9Huq-v5c

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/ddbdm3m3icfd2sh/EDC-Lec-20.pdf 

Electronic Devices Lecture-19: Carrier Concentrations in Semiconductor

In this lecture, i discussed about the carrier concentrations in semiconductors. i.e what is Fermi-Dirac distribution function, what is Fermi level and hole and electron concentrations at equilibrium in semiconductors.

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

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/7aa0ng303uau3o2/EDC-Lec-19.pdf 

Thursday, August 17, 2017

Digital Circuits Lecture-81: Discussion on Previous GATE Questions based On Shift Registers

In this Lecture, I solved some previous GATE questions based on shift registers and ring counters.

For Video Lecture follow the below link:  
https://youtu.be/6NhE7pgOugA

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/5z445bp7bakqeqb/DE-Lec-81.pdf

Tuesday, August 15, 2017

Digital Circuits Lecture-80: Jhnson's Counter ( Twiated Ring Counter )

In this Lecture, i explained about the Johnson's counter or twisted ring counter.

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

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/41wcezdarw061zd/DE-Lec-80.pdf 

Digital Circuits Lecture-79: Ring Counter

In this Lecture, i explained about the ring counter and its application.

For Video Lecture follow the below link:  
https://youtu.be/j_NrUIwj1gc

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/vmdlvygch22u8t2/DE-Lec-79.pdf 

Digital Circuits Lecture-78: Universal Shift Register

In this lecture, i discussed about the universal shift register.

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

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/b84qzobfu1h6biu/DE-Lec-78.pdf 

Saturday, August 12, 2017

Digital Circuits Lecture-77: Bidirectional Shift Register

In this lecture, i discussed about the bidirectional shift register.

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

For Lecture Material download from follow the below link:
http://www.mediafire.com/file/zlymmj9u6d2jd96/DE-Lec-77.pdf 

Analog Circuits Lecture 2: The Ideal Diode and Its applications

In this lecture, i discussed about the ideal diode and its I-V characteristics, applications. and also discussed about  how to determine wh...