"An investment in knowledge pays the best interest"
ECAD Syllabus (KJSCE 2018) and examination scheme
ECAD MODULE 1 Questions
ecad_module_01.pdf | |
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ECAD MODULE 2 Questions
ecad_module_02.pdf | |
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ECAD Lecture 01 & 02 dated 07-01-2020:
Topics Covered : Introduction to Frequency response: basic concepts, its objectives, examples for high speed circuits, time and frequency domain behavior for simple RC circuit, need for frequency response. Circuit Theory concepts ( required as prerequisites for the topic of Frequency response), Our 1st Frequency response of a Simple RC circuit ( Simple but intuitive), steps to compute frequency response, definition of bandwidth. LT Spice simulation for a simple RC circuit.
Module or sub-module covered : Developed motivation for studying frequency response and covered pre-requisites topics required for covering frequency response and Module 1.1
Module or sub-module not covered: Logarithms, Decibels and General frequency considerations (Given as Self study)
Topics Covered : Introduction to Frequency response: basic concepts, its objectives, examples for high speed circuits, time and frequency domain behavior for simple RC circuit, need for frequency response. Circuit Theory concepts ( required as prerequisites for the topic of Frequency response), Our 1st Frequency response of a Simple RC circuit ( Simple but intuitive), steps to compute frequency response, definition of bandwidth. LT Spice simulation for a simple RC circuit.
Module or sub-module covered : Developed motivation for studying frequency response and covered pre-requisites topics required for covering frequency response and Module 1.1
Module or sub-module not covered: Logarithms, Decibels and General frequency considerations (Given as Self study)
ecad_lecture_01_02.pdf | |
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ecad_fun_with_logarithms_and_decibels.pdf | |
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Video 1.1 ( Cover contents for ECAD lecture 01 and 02)
For those students who have missed ECAD lecture 01 and 02 can refer the video 1.1
Henceforth the SIMULATIONS circuits we simulate in class live, it's images will be shared from 08/1/2020 on-wards
Simulation of various circuits were carried out in LT Spice simulation tool
Students are encouraged to use LT Spice
SIMULATIONS related to ECAD Lecture 02 are below : 02.01 to 02.02 ( Total 2 images)
SIMULATION 02.01: Simple RC circuit: high pass response
SIMULATION 02.01: Frequency response of Simple RC circuit: high pass response
ECAD Lecture 03 dated 08-01-2020
Topics Covered :Review of Lecture 2, Simple RC circuit frequency response revisited and its quick conclusion, Poles and Zeros, Bode's Rules ( helps in drawing approximate frequency response), Concept Building: Low frequency response analysis ( using simple RC circuit) along with detailed magnitude response
Module or sub-module coverage : Pre-requisites topics required for covering frequency response
ecad_lecture_03.pdf | |
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ECAD Lecture 04 dated 09-01-2020
Topics Covered: Low frequency response plot of simple RC circuit plotted on a Semi log paper LIVE in class, Low Frequency Response of BJT amplifier, Concept of Low frequency Equivalent Circuit, Concept of time constant Product ( Req* C), Derivation of low cut-off frequency due to CC1 alone and CC2 alone for BJT amplifier
Module or sub-module coverage : 1.2
ecad_lecture_04.pdf | |
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ECAD Lecture 05 dated 10-01-2020
Topics Covered: Low Frequency Response of BJT amplifier (Continue...), Derivation of low cut-off frequency due to CE alone, and concept to determine the overall low cut-off frequency of the amplifier, Numerical on Low frequency response of BJT amplifier (Question 6 from ecad_module_01 questions)
Module or sub-module coverage : 1.2
ecad_lecture_05.pdf | |
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ECAD Summary for Week 1 ( 6th Jan 2020 - 10th Jan 2020)
Total lectures conducted: 05
Total ECAD lecture handouts uploaded in website: 05 (ecad_lecture_01 to ecad_lecture_05)
ECAD Lecture 06 dated 13-01-2020
Topics Covered: Showed frequency response plot for (Question 6 from ecad_module_01 questions) using LT Spice in class, Numerical on Low frequency response of BJT amplifier (Question 8 from ecad_module_01 questions), Discussed (Question 9 from ecad_module_01 questions)
Module or sub-module coverage : 1.2
ecad_lecture_06.pdf | |
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SIMULATIONS images related to Q 6 are below : 06.01 to 06.02 ( Total 8 images)
SIMULATION 06.01: Circuit of CE BJT amplifier
SIMULATION 06.02: Complete Low frequency response for Q.6
SIMULATION 06.03: Circuit for Q.6 : Effect of CC1 alone on the low frequency response
SIMULATION 06.03: Circuit for Q.6 : Effect of CC1 alone on the low frequency response
SIMULATION 06.04: Effect of CC1 alone on the low frequency response w.r.t Q. 6
SIMULATION 06.05: Circuit for Q.6 : Effect of CC2 alone on the low frequency response
SIMULATION 06.06: Effect of CC2 alone on the low frequency response w.r.t Q. 6
SIMULATION 06.06: Effect of CC2 alone on the low frequency response w.r.t Q. 6
SIMULATION 06.07: Circuit for Q.6 : Effect of CE alone on the low frequency response
SIMULATION 06.08: Effect of CE alone on the low frequency response w.r.t Q. 6
ECAD Lecture 07 dated 14-01-2020
Topics Covered: Numerical on Low frequency response of BJT CC amplifier (Question 12 from ecad_module_01 questions), Showed frequency response plot for (Question 12 from ecad_module_01 questions) using LT Spice in class.
Module or sub-module coverage : 1.2
ECAD Lecture 07 dated 14-01-2020
Topics Covered: Numerical on Low frequency response of BJT CC amplifier (Question 12 from ecad_module_01 questions), Showed frequency response plot for (Question 12 from ecad_module_01 questions) using LT Spice in class.
Module or sub-module coverage : 1.2
ecad_lecture_07.pdf | |
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ECAD Lecture 08 dated 15-01-2020
Topics Covered: Low Frequency response analysis for E-MOSFET CS amplifier, Numerical on Low frequency response of MOSFET amplifier (Question 15 from ecad_module_01 questions), Showed frequency response plot for (Question 15 from ecad_module_01 questions) using LT Spice in class.
Module or sub-module coverage : 1.2
ECAD Lecture 08 dated 15-01-2020
Topics Covered: Low Frequency response analysis for E-MOSFET CS amplifier, Numerical on Low frequency response of MOSFET amplifier (Question 15 from ecad_module_01 questions), Showed frequency response plot for (Question 15 from ecad_module_01 questions) using LT Spice in class.
Module or sub-module coverage : 1.2
ecad_lecture_08.pdf | |
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ECAD Lecture 09 dated 16-01-2020
Topics Covered: Numerical on Low frequency response of JFET amplifier (Question 19 from ecad_module_01 questions), Effect of Load capacitor CL on frequency response of BJT and MOSFET amplifier, Discussed (Question 16 from ecad_module_01 questions) and JFET CS amplifier using voltage divider biasing numerical on estimating low frequency response
Module or sub-module coverage : 1.2
ecad_lecture_09.pdf | |
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ecad_module_01_question_16_solution.pdf | |
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ecad_module_01_jfet_low_frequency_response_numerical.pdf | |
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ECAD Summary for Week 2 ( 13th Jan 2020 - 17th Jan 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 04 (ecad_lecture_06 to ecad_lecture_09)
Solution for Question 20 from ecad_module_01 questions
ecad_q20_module_01_solution.pdf | |
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ECAD Lecture 10 dated 20-01-2020
Topics Covered: High frequency hybrid pi model of BJT and origin of various parasitic capacitance, existence of wiring capacitance, effect of inter-electrode and wiring capacitance on the frequency response of BJT amplifier, Circuit diagram of BJT amplifier showing various parasitic and wiring capacitance.
Module or sub-module coverage : 1.3
ecad_lecture_10.pdf | |
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Video 10.1 (Covers some content for ECAD lecture 10)
For those students who have missed the topic of high frequency model of Bipolar transistor can refer video 10.1
Start the video from 38 minutes and watch it till the end
ECAD Lecture 11 dated 21-01-2020
Topics Covered: Miller theorem, derivation for input and output miller capacitance, Circuit diagram and high frequency equivalent circuit of BJT amplifier showing various parasitic and wiring capacitance, Numerical on High frequency response of BJT amplifier (Question 29 from ecad_module_01 questions)
Module or sub-module coverage : 1.3
ecad_lecture_11.pdf | |
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ECAD Lecture 12 dated 22-01-2020
Topics Covered: High Frequency model of MOSFET, Circuit diagram and high frequency equivalent circuit of MOSFET amplifier showing various parasitic and wiring capacitance, Numerical on High frequency response of MOSFET amplifier (Question 30 from ecad_module_01 questions)
Module or sub-module coverage : 1.3
ecad_lecture_12.pdf | |
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ECAD Lecture 13 dated 23-01-2020
Topics Covered: f_beta and f_T derivation for bipolar transistor and f_T derivation for Mosfet, Solved (Question 36 & 38 from ecad_module_01 questions) and discussed (Question 34 from ecad_module_01 questions)
Module or sub-module coverage : 1.3
ecad_lecture_13.pdf | |
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Solution for Question 34 from ecad_module_01 questions
ecad_q34_module_01_solution.pdf | |
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Solution for Question 35 from ecad_module_01 questions
ecad_q35_module_01_solution.pdf | |
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Solution for Question 37 from ecad_module_01 questions
ecad_q37_module_01_solution.pdf | |
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ECAD Summary for Week 3 ( 20th Jan 2020 - 24th Jan 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 04 (ecad_lecture_10 to ecad_lecture_13)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 04 (ecad_lecture_10 to ecad_lecture_13)
COMPLETION of MODULE 01
Start of MODULE 02
ECAD Lecture 14 dated 27-01-2020
Topics Covered: Need of Multistage cascade amplifier, Effect of cascading two or more stages on voltage gain, fL, fH and gain bandwidth product, Coupling mechanisms in multi-stage amplifier's : RC coupling and direct coupling, Types of multi-stage amplifiers, Circuit diagram of CE-CE RC coupled BJT amplifier
Module or sub-module coverage : 2.1
ecad_lecture_14.pdf | |
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ECAD Lecture 15 dated 28-01-2020
Topics Covered: Analysis of CE-CE RC coupled BJT amplifier i.e drawing its mid-frequency equivalent circuit and deriving the expression of its overall voltage gain, input impedance, output impedance, Solved numerical on CE-CE cascade amplifier (Question 8 from ecad_module_02 questions), Analysis of CS-CS RC coupled MOSFET amplifier i.e drawing its mid-frequency equivalent circuit and deriving the expression of its overall voltage gain, input impedance, output impedance, Solved numerical on CS-CS cascade amplifier(Question 11 from ecad_module_02 questions)
Module or sub-module coverage : 2.1
ECAD Lecture 15 dated 28-01-2020
Topics Covered: Analysis of CE-CE RC coupled BJT amplifier i.e drawing its mid-frequency equivalent circuit and deriving the expression of its overall voltage gain, input impedance, output impedance, Solved numerical on CE-CE cascade amplifier (Question 8 from ecad_module_02 questions), Analysis of CS-CS RC coupled MOSFET amplifier i.e drawing its mid-frequency equivalent circuit and deriving the expression of its overall voltage gain, input impedance, output impedance, Solved numerical on CS-CS cascade amplifier(Question 11 from ecad_module_02 questions)
Module or sub-module coverage : 2.1
ecad_lecture_15.pdf | |
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ECAD Lecture 16 dated 29-01-2020
Topics Covered: Analysis of CS-CE RC coupled cascade amplifier i.e drawing its mid-frequency equivalent circuit and deriving the expression of its overall voltage gain, input impedance, output impedance, Solved numerical on CE-CE cascade amplifier (Question 16 from ecad_module_02 questions), Solved numerical on CS-CS cascade amplifier(Question 9 (ESE question) from ecad_module_02 questions)
Module or sub-module coverage : 2.1
ecad_lecture_16.pdf | |
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ECAD Lecture 17 dated 30-01-2020
Topics Covered: Analysis of CE-CB directly coupled CASCODE amplifier i.e drawing its mid-frequency equivalent circuit and deriving the expression of its overall voltage gain, current gain, input impedance and output impedance, Solved numerical on CE-CB cascode amplifier (Question 20 from ecad_module_02 questions)
Module or sub-module coverage : 2.1
ecad_lecture_17.pdf | |
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Solution for Question 22 from ecad_module_02 questions
ecad_q22_module_02_solution.pdf | |
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ECAD Summary for Week 4 ( 27th Jan 2020 - 31st Jan 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 04 (ecad_lecture_14 to ecad_lecture_17)
ECAD Summary for Week 4 ( 27th Jan 2020 - 31st Jan 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 04 (ecad_lecture_14 to ecad_lecture_17)
ECAD Lecture 18 dated 03-02-2020 handout uploaded on 5/2/2020
Topics Covered: Analysis of CS-CG directly coupled CASCODE amplifier i.e drawing its mid-frequency equivalent circuit and deriving the expression of its overall voltage gain, current gain, input impedance and output impedance, Solved numerical on CS-CG cascode amplifier (Question 25 from ecad_module_02 questions), Darlington pair (super beta transistor) circuit and its current gain expression
Module or sub-module coverage : 2.1
ecad_lecture_18.pdf | |
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ECAD Lecture 19 dated 04-02-2020 handout uploaded on 5/2/2020
Topics Covered: Darlington pair (super beta transistor) circuit and its current gain expression, Darlington (Emitter Follower) amplifier analysis, drawing its mid-frequency equivalent circuit and deriving the expression of its overall voltage gain, current gain, input impedance and output impedance, Solved numerical on Darlington amplifier (Question 29 from ecad_module_02 questions)
Module or sub-module coverage : 2.1
ecad_lecture_19.pdf | |
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ECAD Lecture 20 dated 05-02-2020 handout uploaded on 7/2/2020
Topics Covered: Solved numerical on CC-CE directly coupled cascade amplifier (Question 30 from ecad_module_02 questions)
Module or sub-module coverage : 2.1
ECAD Lecture 20 dated 05-02-2020 handout uploaded on 7/2/2020
Topics Covered: Solved numerical on CC-CE directly coupled cascade amplifier (Question 30 from ecad_module_02 questions)
Module or sub-module coverage : 2.1
ecad_lecture_20.pdf | |
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Solution for Question 31 from ecad_module_02 questions
ecad_q31_module_02_solution.pdf | |
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ECAD Lecture 21 dated 06-02-2020 handout uploaded on 7/2/2020
Topics Covered: Solved Design numerical on CE-CE RC coupled cascade amplifier (Question 33 from ecad_module_02 questions)
Module or sub-module coverage : 2.2
ecad_lecture_21.pdf | |
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ECAD Summary for Week 5 ( 3rd Feb 2020 - 7th Feb 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 04 (ecad_lecture_18 to ecad_lecture_21)
ECAD Lecture 22 dated 10-02-2020 handout uploaded on 14/2/2020
Topics Covered: Solved Design numerical on CS-CS RC coupled JFET cascade amplifier (Question 34 from ecad_module_02 questions)
Modification in the design 34 also covered (i.e If IDQ is not given, then adopt two techniques( Zero temperature drift technique and midpoint biasing technique) to estimate values of IDQ and VGSQ
Module or sub-module coverage : 2.2
Topics Covered: Solved Design numerical on CS-CS RC coupled JFET cascade amplifier (Question 34 from ecad_module_02 questions)
Modification in the design 34 also covered (i.e If IDQ is not given, then adopt two techniques( Zero temperature drift technique and midpoint biasing technique) to estimate values of IDQ and VGSQ
Module or sub-module coverage : 2.2
ecad_lecture_22.pdf | |
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ECAD Lecture 23 dated 11-02-2020 handout uploaded on 14/2/2020
Topics Covered: Solved Design numerical on CS-CE RC coupled cascade amplifier (Question 35 from ecad_module_02 questions)
Module or sub-module coverage : 2.2
ecad_lecture_23.pdf | |
File Size: | 1779 kb |
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ECAD Lecture 24 dated 12-02-2020 handout uploaded on 15/2/2020
Topics Covered: Types of Differential amplifiers (DIBO, DIUO, SIBO, SIUO), DC Analysis of BJT differential amplifier (with and without Swamping resistor) , Numerical on BJT differential amplifier to calculate the Q point
Module or sub-module coverage : 5.1
ecad_lecture_24.pdf | |
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ECAD Lecture 25 dated 13-02-2020 handout uploaded on 15/2/2020
Topics Covered: DC Transfer characteristics of BJT Differential amplifier, Differential amplifier terminology i.e definitions of Vd, Vcm, Ad & Acm
Topics not Covered: Motivation for Differential amplifier
Module or sub-module coverage : 5.1
ecad_lecture_25.pdf | |
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ecad_lecture_motivation_for_diffamp.pdf | |
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ECAD Summary for Week 6 ( 10th Feb 2020 - 14th Feb 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 04 (ecad_lecture_22 to ecad_lecture_25)
ECAD Summary for Week 6 ( 10th Feb 2020 - 14th Feb 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 04 (ecad_lecture_22 to ecad_lecture_25)
Start of MODULE 3.1
ECAD Lecture 26 dated 24-02-2020
Topics Covered: Introduction to feedback, simple real life examples of feedback, why study negative feedback, Cruise control system for a car, General block for negative feedback closed loop system, 4 components in feedback system, Transfer function of closed loop negative feedback system, Error signal expression as a function of input, How to minimize error signal, summary of feedback concepts ( 4 points), Factors that cause open loop gain to vary
Module or sub-module coverage : 3.1
ECAD Lecture 26 dated 24-02-2020
Topics Covered: Introduction to feedback, simple real life examples of feedback, why study negative feedback, Cruise control system for a car, General block for negative feedback closed loop system, 4 components in feedback system, Transfer function of closed loop negative feedback system, Error signal expression as a function of input, How to minimize error signal, summary of feedback concepts ( 4 points), Factors that cause open loop gain to vary
Module or sub-module coverage : 3.1
Video 26.1 (Cover contents for ECAD lecture 26)
For those students who have missed the topics of lecture 26 can refer video 26.1
ECAD Lecture 27 dated 25-02-2020
Topics Covered: Summary of negative feedback closed loop system, Closed loop gain vs Open loop gain, Concept of Loop gain, Properties of Negative feedback, Gain Desensitization( concept + math ( expressions) + numerical (02 ) ), Bandwidth extension ( concept + math ( expressions)), Modification of input and output impedance ( only concept), High linearity ( only introduced)
Module or sub-module coverage : 3.1
Video 27.1 (Cover some contents for ECAD lecture 27)
Video 27.2 (Cover some contents for ECAD lecture 27)
Video discusses some very useful applications of feedback
ECAD Lecture 28 dated 26-02-2020
Topics Covered: Properties of Negative feedback, High linearity ( only concept), Ideal Vs Real sources, Qualities of a Good voltage and current source, How do we measure a voltage or a current ( Sensing voltage and currents), Type of Amplifiers( Voltage, Trans-impedance, Trans-conductance & Current amplifier), Input and Output Impedance of four amplifier topology's, Actual & Ideal models for four amplifier topology's
Module or sub-module coverage : 3.1
Video 28.1 (Cover contents for ECAD lecture 28)
ECAD Lecture 29 dated 27-02-2020
Topics Covered: Sense and Return mechanisms for Negative feedback topology (in block diagram form), Sense or Sampling mechanism ( sensing voltage or sensing current), Return or Mixing mechanisms ( returning or mixing a voltage or a current), Summary table exploring the various names of Four negative feedback topology's, Analysis of Voltage series ( shunt-series) feedback negative feedback topology ( i.e completed derivation of Closed loop gain)
Module or sub-module coverage : 3.1
Video 29.1 (Cover contents for ECAD lecture 29)
Video 29.2 (Cover contents for ECAD lecture 29)
ECAD Summary for Week 7 ( 24th Feb 2020 - 28th Feb 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 00
Total Video lecture uploaded in website: 06
ECAD Summary for Week 7 ( 24th Feb 2020 - 28th Feb 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 00
Total Video lecture uploaded in website: 06
ECAD Lecture 30 dated 02-03-2020 (2 hours)
Topics Covered: Analysis of Voltage series ( shunt-series) negative feedback topology ( derivation of Closed loop input impedance & closed loop output impedance), Analysis of Voltage shunt negative feedback topology ( derivation of Closed loop gain, Closed loop input impedance & closed loop output impedance), Analysis of Current shunt negative feedback topology ( derivation of Closed loop gain, Closed loop input impedance & closed loop output impedance), Analysis of Current series negative feedback topology ( derivation of Closed loop gain, Closed loop input impedance & closed loop output impedance)
Module or sub-module coverage : 3.1
Video 30.1
Topic coverage: Analysis of voltage-current (shunt-shunt) negative feedback topology
Video 30.2
Topic coverage: 1) Analysis of current-voltage (series-series) negative feedback topology
2) Application examples of Feedback
Video 30.3
Topic coverage: Analysis of current-current (series-shunt) negative feedback topology
ECAD Lecture 31 dated 03-03-2020
Topics Covered: Procedure to analysis negative feedback topology, Numerical (Circuit analysis) on Voltage-shunt negative feedback topology i.e (Determination of Closed loop gain, feedback factor, Closed loop input impedance & closed loop output impedance)
Module or sub-module coverage : 3.1
ECAD Lecture 32 dated 05-03-2020
Topics Covered: With assistant from procedure to analysis negative feedback topology: Solved numerical (Circuit analysis) on Voltage-series negative feedback topology i.e (Determination of Closed loop gain, feedback factor, Closed loop input impedance & closed loop output impedance)
Module or sub-module coverage : 3.1
Topics Covered: With assistant from procedure to analysis negative feedback topology: Solved numerical (Circuit analysis) on Voltage-series negative feedback topology i.e (Determination of Closed loop gain, feedback factor, Closed loop input impedance & closed loop output impedance)
Module or sub-module coverage : 3.1
ECAD Summary for Week 8 ( 2nd March 2020 - 6th March 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 00
Total Video lecture uploaded in website: 03
ECAD Lecture 33 dated 09-03-2020
Topics Covered: With assistant from procedure to analysis negative feedback topology: Solved numerical (Circuit analysis) on Current-shunt negative feedback topology i.e (Determination of Closed loop gain, feedback factor, Closed loop input impedance & closed loop output impedance)
Module or sub-module coverage : 3.1
ECAD Lecture 34 dated 11-03-2020 (2 Hours)
Topics Covered: With assistant from procedure to analysis negative feedback topology: Solved numerical (Circuit analysis) on Current-shunt and Voltage-series negative feedback topology i.e (Determination of Closed loop gain, feedback factor, Closed loop input impedance & closed loop output impedance), Effect of negative feedback on bandwidth( analysis & derivation)
Module or sub-module coverage : 3.1
Start of MODULE 3.2
ECAD Lecture 35 dated 12-03-2020
Topics Covered: Introduction to Positive feedback, Transfer function of positive feedback, difference between oscillator and amplifier, classification of oscillators, Barkausen's criterion for sustained oscillations, RC Phase shift oscillator( Circuit diagram+ BC criteria)
Module or sub-module coverage : 3.2
ECAD Summary for Week 9 ( 9th March - 13th March 2020)
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 00
Total Video lecture uploaded in website: 00
Total lectures conducted: 04
Total ECAD lecture handouts uploaded in website: 00
Total Video lecture uploaded in website: 00
ECAD MODULE 3.1 handouts: [ECAD lecture 26 to ECAD lecture 34 and ECAD lecture 35 (module 3.2)]
In view of unprecedented circumstances ( i.e Virus outbreak), ECAD lectures are suspended till 31st March 2020. In light of the current situation, I revoke my decision "not to share ECAD handouts". They are available now. Kindly use your time wisely.
ecad_lecture_26.pdf | |
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ecad_lecture_27.pdf | |
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ecad_lecture_28.pdf | |
File Size: | 461 kb |
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ecad_lecture_29.pdf | |
File Size: | 310 kb |
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ecad_lecture_30.pdf | |
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ecad_lecture_31.pdf | |
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ecad_lecture_32.pdf | |
File Size: | 421 kb |
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ecad_lecture_33.pdf | |
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ecad_lecture_34.pdf | |
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ecad_lecture_35.pdf | |
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MODULE 3.2 pre-lecture handouts
In view of unprecedented circumstances ( i.e Virus outbreak), ECAD lectures are suspended till 31st March 2020. In light of the current situation, online ECAD notes are made available for your reference.
Pre-lecture handouts will be uploaded on Monday, Tuesday, Wednesday & Thursday till 31st March 2020 ( Like we have our ECAD lecture during these 4 weekdays)
The topics in the pre-lecture will be covered once, the college resumes.
ECAD Pre Lecture 36 dated 16-03-2020 (handout uploaded in advance)
Proposed topics to be covered: RC Phase shift oscillator( Circuit diagram+ BC criteria+ working+Advantages+Limitation), Derivation of the frequency of oscillations for an RC Phase shift oscillator, condition for current gain for the transistor, BC criteria validity
Module or sub-module coverage : 3.2
ecad_pre_lecture_36.pdf | |
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ECAD Test 1 dated 17/2/2020 solution
ecad_test_1_solution.pdf | |
File Size: | 1486 kb |
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ECAD Pre Lecture 37 dated 17-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Wein bridge oscillator( Circuit diagram+ BC criteria+ working+Advantages+Limitation), How amplitude stabilization is achieved in Wein bridge oscillator, Derivation of the frequency of oscillations for a Wein Bridge oscillator and BC criteria validity
Module or sub-module coverage : 3.2
ECAD Pre Lecture 37 dated 17-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Wein bridge oscillator( Circuit diagram+ BC criteria+ working+Advantages+Limitation), How amplitude stabilization is achieved in Wein bridge oscillator, Derivation of the frequency of oscillations for a Wein Bridge oscillator and BC criteria validity
Module or sub-module coverage : 3.2
ecad_pre_lecture_37.pdf | |
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ECAD Pre Lecture 38 dated 18-03-2020 (handout uploaded in advance)
Proposed topics to be covered: LC oscillator, Types of LC oscillators, How LC tank circuit produces oscillations, General form of LC oscillator, Derivation for gain A and feedback factor for a General LC oscillator (Not in the syllabus: but important for conceptual understanding), Bifurcation of LC oscillator elements in the feedback network
Module or sub-module coverage : 3.2
ecad_pre_lecture_38.pdf | |
File Size: | 1027 kb |
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ECAD Pre Lecture 39 dated 19-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Hartley's oscillator( Circuit diagram+ BC criteria+ working+Advantages+Limitation), Derivation of the frequency of oscillations for a Hartley oscillator(only for reference), condition for oscillations & startup, BC criteria validity
Module or sub-module coverage : 3.2
ecad_pre_lecture_39.pdf | |
File Size: | 485 kb |
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ECAD Pre Lecture 40 dated 23-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Colpitt's oscillator( Circuit diagram+ BC criteria+ working+Advantages+Limitations+Applications), Derivation of the frequency of oscillations for a Hartley oscillator(only for reference), condition for oscillations & startup, BC criteria validity
Module or sub-module coverage : 3.2
ecad_pre_lecture_40.pdf | |
File Size: | 960 kb |
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ECAD Pre Lecture 41 dated 24-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Clapp's oscillator( Circuit diagram+ BC criteria+ working+Advantages+Limitations+Applications), Derivation of the frequency of oscillations for a Hartley oscillator(only for reference), condition for oscillations & startup, BC criteria validity
Module or sub-module coverage : 3.2
ecad_pre_lecture_41.pdf | |
File Size: | 456 kb |
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ECAD Pre Lecture 42 dated 25-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Numerical on Hartley oscillator and Colpitt's oscillator, Tuned Collector(Armstrong) oscillator( Circuit diagram+ BC criteria+ working+Advantages+Limitations+Applications), Frequency of oscillations for a Hartley oscillator, condition for oscillations & startup, BC criteria validity
Module or sub-module coverage : 3.2
ecad_pre_lecture_42.pdf | |
File Size: | 795 kb |
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ECAD Pre Lecture 43 dated 26-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Limitations of RC & LC oscillators, Crystal oscillator(Application+ Basic principle+ Available materials+Characteristics of Quartz crystal), Series and parallel resonance , Crystal impedance versus frequency, Series and parallel resonant frequency, Transistorized BJT Crystal Oscillator (Circuit diagram+ Working+Principle+expression for frequency of oscillations+Advantages), Pierce Crystal Oscillator (Circuit diagram+Working+Principle+expression for frequency of oscillations+Advantages)
Module or sub-module coverage : 3.2
ecad_pre_lecture_43.pdf | |
File Size: | 1281 kb |
File Type: |
ECAD MODULE 4: Supplementary slides
PDF's description:
ECAD_4.1 PDF is from three different books named Sedra, Neamen & Rashid
ECAD_4.2 quick reference PDF is from IIT Guwahati
ecad_4.1_neamen.pdf | |
File Size: | 1292 kb |
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ecad_4.1_rashid.pdf | |
File Size: | 279 kb |
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ecad_4.1_sedra.pdf | |
File Size: | 1185 kb |
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ecad_4.2_quick_reference.pdf | |
File Size: | 2152 kb |
File Type: |
ECAD Pre Lecture 44 dated 30-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Design of an Low frequency RC phase shift oscillator (BJT based)
Module or sub-module coverage : 3.3
ecad_pre_lecture_44.pdf | |
File Size: | 712 kb |
File Type: |
ECAD Pre Lecture 45 dated 31-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Power amplifier(PA) introduction, performance parameters of Power amplifier: Amplifier efficiency, power dissipation capability, comparison between different classes of Power amplifier, Classification of Power amplifier, Class A power amplifier, Types of Class A power Amplifier, Series Fed Class A power amplifier (circuit diagram+procedure to calculate output power & efficiency)
Module or sub-module coverage : 4.2
NOTE: The transistor used in all Power amplifier circuits are POWER TRANSISTORS
ECAD Pre Lecture 45 dated 31-03-2020 (handout uploaded in advance)
Proposed topics to be covered: Power amplifier(PA) introduction, performance parameters of Power amplifier: Amplifier efficiency, power dissipation capability, comparison between different classes of Power amplifier, Classification of Power amplifier, Class A power amplifier, Types of Class A power Amplifier, Series Fed Class A power amplifier (circuit diagram+procedure to calculate output power & efficiency)
Module or sub-module coverage : 4.2
NOTE: The transistor used in all Power amplifier circuits are POWER TRANSISTORS
ecad_pre_lecture_45.pdf | |
File Size: | 998 kb |
File Type: |
ECAD Pre Lecture 46 dated 01-04-2020 (handout uploaded in advance)
Proposed topics to be covered: Series Fed Class A power amplifier (circuit diagram+DC Analysis+DC Load line+AC Load line+AC Power output+DC input power+efficiency derivation+Power dissipation in transistor+collector conversion
efficiency+Advantages+limitations),
Module or sub-module coverage : 4.2
ecad_pre_lecture_46.pdf | |
File Size: | 1153 kb |
File Type: |
ECAD Pre Lecture 47 dated 02-04-2020 (handout uploaded in advance)
Proposed topics to be covered: Numerical on Series Fed Class A power amplifier (Calculation of efficiency and power dissipation), Overview of CE Class power amplifier(Circuit diagram+ DC & AC load line), Overview of CE RC coupled Class power amplifier(Circuit diagram+ DC & AC load line+efficiency)
Module or sub-module coverage : 4.2
ecad_pre_lecture_47.pdf | |
File Size: | 691 kb |
File Type: |
ECAD Pre Lecture 48 dated 06-04-2020 (handout uploaded in advance)
Proposed topics to be covered: Transformer coupled Class A power amplifier (circuit diagram+DC Analysis+DC Load line+AC Load line+AC Power output+DC input power+efficiency derivation+Power dissipation in transistor+collector conversion efficiency), summary of Transformer coupled Class A Power amplifier
Module or sub-module coverage : 4.2
ecad_pre_lecture_48.pdf | |
File Size: | 1402 kb |
File Type: |
ECAD Pre Lecture 49 dated 07-04-2020 (handout uploaded in advance)
Proposed topics to be covered: Numerical on Transformer coupled Class A power amplifier (Calculation of efficiency and power dissipation), Maximum theoretically efficiency for Class A transformer coupled amplifier(concept + numerical)
Module or sub-module coverage : 4.2
ecad_pre_lecture_49.pdf | |
File Size: | 714 kb |
File Type: |
ECAD Online Session 1 dated 7th April 2020
Details of ECAD online interactive session conducted on April 7, 2020
Topic: INDERJIT SINGH DHANJAL's ECAD online interactive session 1
Time: Apr 7, 2020 06:00 PM India
Join Zoom Meeting
https://zoom.us/j/8312874873?pwd=Zk5weFpmZEZhWGFreThCMS90aEh5dz09
Meeting ID: 831 287 4873
Topics discussed are below:
ECAD Session 1A:
This online video lecture covers an overview of the following topics:
a) Barkausen's Criterion b) Classification of Oscillators c) RC phase shift oscillator d) Wein bridge oscillator e) Hartley oscillator f) Colpitt's oscillator g) Clapp's oscillator h) Crystal oscillator
NOTE: No detailed working is discussed for any above topics.
10 minutes break interval
ECAD Session 1B:
This online video lecture covers an overview of the following topics:
a) Power amplifier & small-signal amplifier difference, Power BJT ratings, Power MOSFET, Heat sink requirement.
NOTE: No detailed working is discussed for any above topics.
5 minutes break interval
ECAD Session 1C:
This online video lecture covers an overview of the following topics: Power amplifiers introduction, Classification & comparison of Power amplifiers (PA), Performance parameters of PA, Series fed RC coupled Class A PA, Transformer coupled Class A PA, Class B PA, Class B push-pull PA, Cross-over distortion in Class B PA, Class AB PA & Class C PA NOTE: No detailed working is discussed for any above topics.
YouTube VIDEO's are also complied; for those who have missed this interactive session...
ECAD online session 1 A video link: https://youtu.be/b14L2nrL4YE
ECAD online session 1 B video link: https://youtu.be/WxGR7d7siVU
ECAD online session 1 C video link: https://youtu.be/vG3kGwPsTsQ
ECAD Pre Lecture 50 dated 08-04-2020 (handout uploaded in advance)
Proposed topics to be covered: Series Fed Class A power amplifier with potential divider bias (circuit diagram+DC Analysis+DC Load line+AC Load line+AC Power output+DC input power+efficiency derivation+Power dissipation in transistor), Transformer coupled Class A Power amplifier with potential divider bias (circuit diagram+Analysis of DC Analysis+DC Load line+AC Load line+AC Power output+DC input power+efficiency derivation+Power dissipation in transistor), Numerical on Transformer coupled Class A power amplifier with potential divider bias (Calculation of efficiency and power dissipation)
Module or sub-module coverage : 4.2
ecad_pre_lecture_50.pdf | |
File Size: | 1406 kb |
File Type: |
ECAD Pre Lecture 51 dated 09-04-2020 (handout uploaded in advance)
Proposed topics to be covered: Class B transformer coupled Push-Pull power amplifier (circuit diagram+DC Analysis+DC Load line+AC Load line+AC Power output+DC input power+efficiency derivation+Power dissipation in transistor+Advantages+disadvantages), Cross-over distortion in Class B transformer coupled Push-Pull power amplifier.
Module or sub-module coverage : 4.2
ecad_pre_lecture_51.pdf | |
File Size: | 810 kb |
File Type: |
ECAD Pre Lecture 52 dated 13-04-2020 (handout uploaded in advance)
Proposed topics to be covered: Methods to overcome Cross-over distortion in Class B transformer coupled Push-Pull power amplifier, Class AB Push-Pull power amplifier (circuit diagram+working+transfer curve+output power+efficiency)
Module or sub-module coverage : 4.2
ecad_pre_lecture_52.pdf | |
File Size: | 616 kb |
File Type: |
ECAD Pre Lecture 53 dated 14-04-2020 (handout uploaded in advance)
Proposed topics to be covered: Biasing of Class AB Push-Pull power amplifier: a) Class AB diode biasing b) Biasing with VBE multiplier c) Class AB output stage with buffer transistor, Class C power amplifier(Circuit diagram+working+input-output waveforms+application+power efficiency)
Module or sub-module coverage : 4.2
ecad_pre_lecture_53.pdf | |
File Size: | 1046 kb |
File Type: |
ECAD BJT differential amplifier (handout uploaded in advance)
Proposed topics to be covered: ECAD BJT differential amplifier; some topics of diffamp are already covered in ecad handout 24 &25
Module or sub-module coverage : 5.1
ecad_lecture_motivation_for_diffamp.pdf | |
File Size: | 1291 kb |
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ecad_lecture_24.pdf | |
File Size: | 955 kb |
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ecad_lecture_25.pdf | |
File Size: | 1380 kb |
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ecad_bjt_differential_amplifier.pdf | |
File Size: | 2108 kb |
File Type: |
ECAD MOSFET differential amplifier (handout uploaded in advance)
Proposed topics to be covered: ECAD MOSFET differential amplifier
Module or sub-module coverage : 5.2
ECAD MOSFET differential amplifier (handout uploaded in advance)
Proposed topics to be covered: ECAD MOSFET differential amplifier
Module or sub-module coverage : 5.2
ecad_mosfet_differential_amplifier.pdf | |
File Size: | 1842 kb |
File Type: |
ECAD Online lecture session dated 12th April 2020
Details of ECAD online lectures recorded on April 12, 2020
Topics discussed:
ECAD Recorded Session 1 dated 12/4/2020:
Basic BJT differential amplifier circuit diagram, types of differential amplifier configurations, Summary of BJT differential amplifier(DC analysis + Ad + Acm formula), 3 solved numerical's on BJT differential amplifier
ECAD Recorded Session 2 dated 12/4/2020:
Basic MOSFET differential amplifier circuit diagram, types of differential amplifier configurations, Summary of MOSFET differential amplifier(DC analysis + Ad + Acm formula), Solved one numerical on MOSFET differential amplifier
ECAD Recorded Session 3 dated 12/4/2020:
BJT differential amplifier (Circuit diagram schematic, DC Analysis, Differential gain estimation Ad for DIBO & DIUO, Common mode gain estimation Acm) simulated in LT Spice
ECAD Recorded Session 4 dated 12/4/2020:
MOSFET differential amplifier (Circuit diagram schematic, DC Analysis, Differential gain estimation Ad for DIBO & DIUO, Common mode gain estimation Acm) simulated in LT Spice
YouTube VIDEO's complied for this recorded session;
ECAD online recorded session 1 dated 12/4/2020: https://youtu.be/0Qq74x5nhvQ
ECAD online recorded session 2 dated 12/4/2020: https://youtu.be/e2a-BmuF3xU
ECAD online recorded session 3 dated 12/4/2020: https://youtu.be/m0q-ROQGoJU
ECAD online recorded session 4 dated 12/4/2020: https://youtu.be/9ReyfvMvvx8
YouTube videos for Earlier BVLSI sessions:
ECAD online session 1 A video link: https://youtu.be/b14L2nrL4YE
ECAD online session 1 B video link: https://youtu.be/WxGR7d7siVU
ECAD online session 1 C video link: https://youtu.be/vG3kGwPsTsQ
ECAD Online lecture session dated 1st May 2020
Details of ECAD online lectures recorded on May 1, 2020
Topics discussed: (Videos below cover entire Oscillator module)
ECAD online Recorded Session 1 dated 1/5/2020:
Concept of positive feedback, Barkhausen's criteria of oscillations, Oscillator classification, RC Phase shift oscillator(Circuit diagram + Working + Limitations + Derivation of the frequency of oscillation + LT Spice simulation of RC network)
ECAD online Recorded Session 2 dated 1/5/2020:
Design of a transistorized RC Phase shift oscillator
ECAD online Recorded Session 3 dated 1/5/2020:
Wein Bridge oscillator(Circuit diagram + Working + Limitations + Derivation of the frequency of oscillation + LT Spice simulation of RC network)
ECAD online Recorded Session 4 dated 1/5/2020:
LC oscillator, LC Tank circuit, General form of LC oscillator, Hartley oscillator (Circuit diagram + Working + Limitations + Derivation of the frequency of oscillation + LT Spice simulation of RC network), Colpitt's and Clapp's oscillator working and overview
ECAD online Recorded Session 5 dated 1/5/2020:
Numerical on Hartley and Colpitt's oscillator
ECAD online Recorded Session 6 dated 1/5/2020:
Crystal material, Quartz crystal properties, equivalent circuit, Resonant frequencies of Crystal, Crystal oscillator, Pierce Crystal Oscillator, Advantages & Applications of Crystal oscillator
ECAD online Recorded Session 1 dated 30/4/2020:
Simulation of Low-frequency RC Phase shift oscillator in LT Spice and estimation of the frequency of oscillations, and phase shift of feedback network.
ECAD online Recorded Session 2 dated 30/4/2020:
Simulation of High-frequency Hartley oscillator in LT Spice and estimation of the frequency of oscillations
ECAD online Recorded Session 3 dated 30/4/2020:
Simulation of High-frequency Colpitt's and Clapp's oscillator in LT Spice and estimation of the frequency of oscillations
YouTube VIDEO's complied for this recorded session;
ECAD online recorded session 1 dated 1/5/2020: https://youtu.be/8Nt1YK8xJFw
ECAD online recorded session 2 dated 1/5/2020: https://youtu.be/ztQLsEuVGHg
ECAD online recorded session 3 dated 1/5/2020: https://youtu.be/rjWs_va_Qho
ECAD online recorded session 4 dated 1/5/2020: https://youtu.be/aUVgyhgBhaw
ECAD online recorded session 5 dated 1/5/2020: https://youtu.be/2-3nuVTnOA4
ECAD online recorded session 6 dated 1/5/2020: https://youtu.be/nlPBREONQR8
ECAD online recorded session 1 dated 30/4/2020: https://youtu.be/ImzbWp62aAY
ECAD online recorded session 2 dated 30/4/2020: https://youtu.be/Xft3r4uhL7k
ECAD online recorded session 3 dated 30/4/2020: https://youtu.be/Vmt4W09hZ_4
YouTube videos for Earlier BVLSI sessions:
ECAD online recorded session 1 dated 19/4/2020: https://youtu.be/PblLXRUSUR8
ECAD online recorded session 1 dated 12/4/2020: https://youtu.be/0Qq74x5nhvQ
ECAD online recorded session 2 dated 12/4/2020: https://youtu.be/e2a-BmuF3xU
ECAD online recorded session 3 dated 12/4/2020: https://youtu.be/m0q-ROQGoJU
ECAD online recorded session 4 dated 12/4/2020: https://youtu.be/9ReyfvMvvx8
ECAD online session 1 A video link: https://youtu.be/b14L2nrL4YE
ECAD online session 1 B video link: https://youtu.be/WxGR7d7siVU
ECAD online session 1 C video link: https://youtu.be/vG3kGwPsTsQ
ECAD Power Amplifier Design (handout uploaded in advance)
Proposed topics to be covered: Design of Series Fed Class A Power Amplifier(One Design) , Design of Transformer coupled Class A Power Amplifier (Two designs)
Module or sub-module coverage : 4.3
ecad_class_a_power_amplifier_design.pdf | |
File Size: | 2423 kb |
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ecad_series_fed_class_a_power_amplifier_design.pdf | |
File Size: | 730 kb |
File Type: |
The above handouts were the Last for this subject
Happy Learning !!!
Happy Learning !!!