2.6.2 attainment of Course outcomes and POs.pdf - JECRC

2.6.2

ATTAINMENT OF

PROGRAMME

OUTCOMES (POs),

PROGRAM

SPECIFIC

OUTCOMES AND

COURSE

OUTCOMES (COs)

ATTAINMENT OF POs & COs BY EXAMINATION

SYSTEM (DIRECT METHOD)

B.Tech

COURSE NAME:-Analog Electronics

COURSE Code: - BEE0120A

Semester:-IV

Submitted by

Faculty- Ramandeep Gill

Assistant Professor of Electronics & Communication

Department, JECRC University

December, 2018

JECRC University, Jaipur

ATTAINMENTS OF POs (PROGRAM OUTCOMES-PO1 to PO12)

Uni. Roll Number Student Name

Attainm

ent of

CO1 in

%

Attain

ment of

CO2 in

%

Attainme

nt of

CO3 in

%

Attainm

ent of

CO4 in

%

Attainment

of CO1-CO5

in %

15BEEC051 Rishav Raj - BEE 90% 90% 60% 60% -

15BEEC172 Shivam Singh Rathore - BEE

13 (62%)

22 (76%)

90% 90%

60.00

15BEEN008 Jaiprakash Prajapat - BEE

60% 60%

14 (70%)

18 (60%) 68.00

15BEEN017 Mukul Jain - BEE

18(86%)

22(76%)

18 (90%)

24 (80%) 80.00

15BEEN020 Himani Yadav - BEE

15(71%)

21(72%)

16(80%)

22 (72%) 65.00

16BEEM046 Palak Arora - BEE

13 (62%)

22 (76%)

20 (100%)

25 (81%)

71.00

AVERAGE ATTAINMENT IN % 72% 75% 82% 73% 70%

Average of all Course Outcomes 75%

64%66%68%70%72%74%76%78%80%82%

Attainment ofCO1 in %




Attainment ofCO1-CO5 in %

Final/Average Calculation of Attainment of CO1, CO2,CO3, CO4 & CO5 :- Subject: Course: BEE051A – Analog Electronics

Chart Title

Final/Average Calculation of Attainment of Course Outcomes-CO1,

CO2,CO3, CO4 & CO5 :- Subject: Course: BEE051A – Analog Electronics

Mapping & Attainment of Program Outcomes (POs) with COs. Of Subject:-

Analog Electronics

Course

Outcome

Program Outcomes

PO1 PO2 PO3 PO4 P05 PO6 PO7 PO

8

PO9 P010 P011 PO1

2

CO1 H H M M M H M

CO2 H H H M H M H M

CO3 H M H H

CO4 M H M H

CO5 M M H L H

Total

Weightag

e

11 7 8 2 3 8 2 3 6 5 7 8

%

Weightag

e

92% 78% 89% 67% 100

%

89% 67% 100

%

67% 83% 78% 89%

Final

Attainme

nt of POs

69% 59% 67% 50% 75

%

67% 50% 75

%

50% 62.5

%

58% 67%

H = Highly Related=Weightage= 3/3,M = Medium =Weightage =2/3, L = Low=Weightage= 1/3

0%

10%

20%

30%

40%

50%

60%

70%

80%

PO1 PO2 PO3 PO4 P05 PO6 PO7 PO8 PO9 P010 P011 PO12

Attainment of POs by Subject -Analog Electronics

METHODOLOGY/

SYSTEMATIC PROCESS

FOR ATTAINMENT OF

POs & COs

(Explained By taking one Subject)

Syllabus

BEE0120A Analog Electronics 3-1-0

Course Objective:

1. The course aim is to review and study in depth various subjects of Analog Electronics,

with an emphasis on contents related with circuit design and telecommunication

applications.

2. The most relevant issues related with analog and telecommunication subsystems are

analyzed in detail, to establish a reference point for the following subjects like LIC

Circuit analysis, which addresses more specific subjects.

3. On the completion of this subject students would have the knowledge of basic electronics,

ability to analyze electric networks and circuits.

4. Knowledge of linear and large signal models of MOS and BJTs, and ability to use these

models in basic amplifier circuits.

5. Knowledge and design of most used functional units, such as filters, voltage regulators,

and signal generators.

Unit 1: Introduction: Scope and applications of analog electronic circuits. Amplifier models:

Voltage amplifier, current amplifier, trans-conductance amplifier and trans-resistance amplifier.

Biasing schemes for BJT amplifiers, bias stability, various configurations (such as CE, CB, CC)

and their features, small signal analysis, low frequency transistor models, estimation of voltage

gain, input resistance, output resistance etc., design procedure for particular specifications.

Unit 2: Frequency response amplifiers:- Low frequency analysis: Effect of coupling, bypass and

output capacitor at low frequency, high frequency transistor models, Feedback topologies:

Voltage series, current series, voltage shunt, current shunt, effect of feedback on gain, bandwidth

etc. Power amplifiers: Class A, Class B, Class AB and Class C, their power efficiency and

linearity issues.

Unit 3: OP-AMP design: design of differential amplifier for a given specification, design of gain

stages and output stages, compensation. OP-AMP applications: review of inverting and non-

inverting amplifiers, integrator and differentiator, summing amplifier, precision rectifier, Schmitt

trigger and its applications. Active filters: Low pass, high pass, band pass and band stop, design

guidelines.

Unit 4: Oscillators: Review of the basic concept, Barkhausen criterion, RC oscillators (phase

shift, Wien bridge etc.), LC oscillators (Hartley, Collpitts etc.). Current mirror: Basic current

mirror, Widlar current source etc. Differential amplifier: Basic structure and principle of

operation, calculation of differential gain, common mode gain and CMRR.

Unit 5: Multi-vibrator: Mono-stable and Astable multi-vibrator. 555 timer: Basic block diagram,

555 timer Applications: monostable and astable multivibrator, Schmitt trigger etc.

Text Books

1. Integrated Electronics J. Millman and Halkias McGraw Hill.

2. Microelectronic Circuits- “Adel S. Sedra, Kenneth Carless Smith” Oxford.

Reference Books:

1. Introduction to Operational Amplifier theory and applications, J.V. Wait, L.P. Huelsman

and GA Korn,McGraw Hill, 1992.

4

.

2. Analysis and Design of Analog Integrated Circuits, Paul R.Gray \& Robert G.Meyer,

John Wiley, 3rd Edition.

3. Op-amps and Linear Integrated Circuits-” Ramakant A. Gayakwad ” Prentice Hall. Micro

Course Outcomes (COs):

At the end of this course students will have:

CO1: Understand various transistor models and its configurations as amplifiers.

CO2: Understand the frequency response of amplifiers and study of power amplifiers

CO3: Study about the Operational amplifiers and its applications.

CO4: Designing of Oscillators and differential amplifiers.

CO5: Understand how Multivibrator works.

Program Outcomes (POs)

PO1. Design/development of solutions: Design solutions for complex engineering problems and design

system components or processes that meet the specified needs with appropriate consideration for the

public health and safety, and the cultural, societal, and environmental considerations.

PO2. Problem analysis: Identify, formulate, research literature, and analyze complex engineering

problems reaching substantiated conclusions using first principles of mathematics, natural sciences, and

engineering sciences. Minimization techniques.

PO3. Conduct investigations of complex problems: Use research-based knowledge and research methods

including design of experiments, analysis and interpretation of data, and synthesis of the information to

provide valid conclusions.

PO4. Modern tool usage: Create, select, and apply appropriate techniques, resources, and modern

engineering and IT tools including prediction and modeling to complex engineering activities with an

understanding of the limitations.

PO5. Design of sequential logic circuits. Minimization of hardware by applying different methods.

PO6. The engineer and society: Apply reasoning informed by the contextual knowledge to assess

societal, health, safety, legal and cultural issues and the consequent responsibilities relevant to the

professional engineering practice.

http://www.google.co.in/search?tbo=p&tbm=bks&q=inauthor:%22Adel+S.+Sedra%22

http://www.google.co.in/search?tbo=p&tbm=bks&q=inauthor:%22Kenneth+Carless+Smith%22

http://books.google.co.in/books?id=m4D-nQEACAAJ&dq=ramakant+gayakwad&hl=en&sa=X&ei=U9nZU47_HNeJuASL04KADQ&ved=0CBoQ6AEwAA

https://www.google.co.in/search?sa=X&biw=1366&bih=643&tbm=bks&tbm=bks&q=inauthor:%22Ramakant+A.+Gayakwad%22&ei=w9nZU-CGIJaJuATczYCwBg&ved=0CBwQ9AgwAA

PO7. Environment and sustainability: Understand the impact of the professional engineering solutions in

societal and environmental contexts, Manual for Affiliated / Constituent Colleges NAAC for Quality and

Excellence in Higher Education 126 and demonstrate the knowledge of, and need for sustainable

development.

PO8. Ethics: Apply ethical principles and commit to professional ethics and responsibilities and norms of

the engineering practice.

PO9. Individual and team work: Function effectively as an individual, and as a member or leader in

diverse teams, and in multidisciplinary settings.

PO10. Communication: Communicate effectively on complex engineering activities with the engineering

community and with society at large, such as, being able to comprehend and write effective reports and

design documentation, make effective presentations, and give and receive clear instructions.

PO11. Project management and finance: Demonstrate knowledge and understanding of the engineering

and management principles and apply these to one’s own work, as a member and leader in a team, to

manage projects and in multidisciplinary environments.

PO12. Life-long learning: Recognize the need for, and have the preparation and ability to engage in

independent and life-long learning in the broadest context of technological change.

Result Analysis of First In-Sem Question Paper

Registration No.

JECRC UNIVERSITY

1st- in- Sem Examination 2018

IV Semester B.Tech

Analog Electronics (BEE0120)

Time: 1:30 Hrs. Max Marks: 50

Instructions:

1. Attempt all the questions.

2. Illustrate your answers with suitable examples and diagrams, wherever necessary.

3. Write relevant question numbers before writing the answer.





CO5: Understand how Multivibrator works.

Q1. Answer the following questions. (1x10=10marks)

I. [CO1] A Transistor has 𝛼 = 0.98 then value of 𝛾 is_____________________.

II. [CO1] Arrange the devices in the Ascending order of input resistance:

a) MOSFET < BJT < JFET b) BJT < JFET < MOSFET

c) JFET < BJT< MOSFET d) JFET < MOSFET < BJT

III. [CO1] BJT is a Voltage controlled Device (T/F)

IV. [CO2] At high frequency coupling and bypass capacitors are_____________ due to low

value of reactance.

V. [CO1] Among the three configurations (i.e. CB,CC and CE), which configuration has highest

power gain?

VI. [CO1] Leakage current of Ge and Si are in the range of_______________ and

_____________ respectively.

VII. [CO1] Beta is called as the current gain of ______________ Configuration.

VIII. [CO2] Miller Model can be applied to Non Inverting Amplifiers. (T/F)

IX. [CO1] In a transistor the thickness of the base region is kept small to reduce recombination

current.(T/F)

X. [CO2] In common emitter BJT the most important factor that determines low cut off

frequency is :

𝑎) 𝐶𝑆 b) 𝐶𝐶 c) 𝐶𝑂 d) 𝐶𝐸


I. [CO2] Explain Why -3 dB points in the frequency gain graph are called as half power points.

II. [CO2] Draw the 𝑟𝑒 model for Common base configuration.

III. [CO1] A transistor has 𝛼 = 0.99 has a base current of 5 𝜇𝐴 and leakage current of 10nA.

Find its collector current.

IV. [CO1] Derive the expression for voltage gain of CE configuration.


I. [CO2] Determine VC and VB for the network

II. [CO2] Given that ICQ =2 mA and VCEQ =10 V, determine R1 and RC for the network


I. [CO1] For the network of given Fig.

a) Determine 𝑓𝐻𝑖 and 𝑓𝐻𝑜

b) Assuming that 𝐶𝑏′𝑒 = 𝐶𝑏𝑒 and 𝐶𝑏′𝑐 = 𝐶𝑏𝑐, find 𝑓𝛽 and 𝑓𝑇.

II. [CO2] For the network given below:

a) Determine re.

b) Find Avmid

c) Calculate Zi.

d) Determine fLS, fLC, and fLE.

e) Determine the low cutoff frequency.

I-In Sem Result Analysis and attainment of

Course Outcomes (CO1 & CO2)

Marks Distribution of I-In Sem Question Paper and Weightage of CO1 & CO2

Question No Marks related

with CO1

Marks related

with CO2

Total Marks

Q1. 7 3 10

Q2. 4 4 8

Q3. 0 12 12

Q4. 10 10 20

TOTAL 21 (42%) 29 (58%) 50

Attainment of Course Outcomes- CO1 & CO2

College: JECRC

University

Report Name:

Student Marks

Academic Year/Session: 2018-2018-JULY-DEC, Exam: EVEN SEMESTERS

EXAM 2018-2018, Program: Bachelor of Technology-Electronics&

Communication Engineering - Semester-IV

Course: BEE051A – Analog Electronics


I IN-TERM

Obt. Marks

M.M.-(50)

Attainment of

CO1

M.M.- (21)

Attainment of

CO2

M.M.- (29)

15BEEC051

Rishav Raj - BEE 4.00

2(9.5%)

2 (7%)

15BEEC172

Shivam Singh

Rathore - BEE 35

13 (62%)

22 (76%)

List of Slow Learners

(Less than 60% Attainment of CO1 & CO2)

15BEEN008

Jaiprakash Prajapat

- BEE

10.00

4(19%)

6(21%)


40.00

18(86%)

22(76%)

15BEEN020

Himani Yadav -

BEE

36

15(71%)

21(72%)

16BEEM046 Palak Arora - BEE 35.00

13 (62%)

22 (76%)

Uni. Roll

Number Student Name

I IN-TERM

Obt. Marks

M.M.-(50)

Attainment of

CO1

M.M.- (21)

Attainment of

CO2

M.M.- (29)

15BEEC051


2(9.5%)

2 (7%)

15BEEN008

Jaiprakash

Prajapat - BEE

10.00

4(19%)

6(21%)

ACTION TAKEN FOR SLOW LEARNERS

Slow Learners who have attained less than 60% CO1 & CO2. Two

Assignments ( Assignment-1 from Unit-1 and Assignment from Unit-2)

given to score COs marks more than 60%. Assignments are attached,

then again assignments are evaluated and re-analysis is done as follows.

Assignment 01

I. Determine the following for the fixed-bias configuration of Fig.

(a) IBQ and ICQ.

(b) VCEQ.

(c) VB and VC.

(d) VBC.

II. For the emitter bias network of Fig., determine:

(a) IB.

(b) IC.

(c) VCE.

(d) VC.

(e) VE.

(f) VB.

(g) VBC.

III. Determine the dc bias voltage VCE and the current IC for the voltage-divider

configuration

IV. For the network of Fig. , determine:

(a) IB.

(b) IC.

(c) VCE.

(d) VC.

V. Given the information appearing in Fig., determine:

(a) IC.

(b) VE.

(c) VCC.

(d) VCE.

(e) VB.

(f) R1.

Assignment 02

I. Determine the high cut off frequencies for the network of Fig. using the same parameters:

CG = 0.01 𝜇F, CC = 0.5 𝜇F, CS = 2 𝜇F Rsig = 10 k ohm, RG =1 M ohm, RD = 4.7 k

ohm, RS =1 k ohm, RL = 2.2 k ohm IDSS = 8 mA, VP=4 V, rd , VDD =20 V with the

addition of Cgd = 2 pF, Cgs = 4 pF, Cds =0.5 pF, CWi = 5 pF, CWo =6 pF

II. For the network of Fig.

(a) Determine re.

(b) Find Zi (with ro =∞Ω).

(c) Calculate Zo (with ro =∞Ω) (d) Determine Av (with ro =∞Ω).

(e) Find Ai (with ro =∞Ω).

(f) Repeat parts (c) through (e) including ro = 50 k Ω in all calculations and compare

results.

III. For the network of Fig. 8.9, determine:

(a) re.

(b) Zi.

(c) Zo (ro =∞Ω).

(d) Av (ro =∞Ω) (e) Ai (ro =∞Ω)

(f) The parameters of parts (b) through (e) if ro = 1/hoe = 50 k Ω and compare results.

IV. For the network of Fig., without CE (unbypassed), determine:

(a) re.

(b) Zi.

(c) Zo.

(d) Av.

(e) Ai.

V For the network of Fig. 8.14, determine (using appropriate approximations):

(a) re.

(b) Zi.

(c) Zo.

(d) Av.

(e) Ai.

Assignment award list for Weak Students

Final analysis of I-In Sem- all students of class attained CO1 & CO2 more than 60%.

Uni. Roll Number Student Name Marks out of 15

Revised

Attainment of CO1 & CO2

15BEEC051 Rishav Raj - BEE 12.00

90%

15BEEN008 Jaiprakash Prajapat - BEE 09.00

60%

Result Analysis of Second In-Sem

Question Paper

Registration No.

JECRC UNIVERSITY

2nd- in- Sem Examination 2018

IV Semester B.Tech


Time: 1:30 Hrs. Max Marks: 50

Instructions:








CO5: Understand how Multivibrator works


I. [CO4] Which of the following class has maximum efficiency:

a) Class AB b) Class C c) Class D d) Class B

II. [CO4] For a trans-Conductance Amplifier the closed loop input resistance and output resistance are

respectively:

a) High, Low b) High, High c) Low, High e) Low, Low

III. [CO4] The current Amplifier configuration is also called as:

a) Series-Shunt b) Shunt-Shunt c) Series-Series d) Shunt-Series

IV. [CO4] A class C Amplifier is biased to operate for ___________ of the input cycle.

a) Less than 360 b) Less than 180 c) Less than 90 d) Less than 270

V. [CO3] The input to an OP-AMP differentiator is a triangular waveform, and then output waveform will be:

a) Square Wave b) Triangular Wave c) Parabolic Wave d) Sine Wave

VI. [CO4] If the differential voltage gain and common mode voltage gain of a differential amplifier are 48 dB

and 2 dB respectively, then its common mode rejection ratio:

a) 23dB b) 25dB c) 46dB d) 50dB

VII. [CO3] The Ideal OP-AMP has the following characteristics:

𝑎) 𝑅𝑖 = ∞, 𝐴 = ∞, 𝑅𝑜 = 0 b) 𝑅𝑖 = 0, 𝐴 = ∞, 𝑅𝑜 = 0

c) 𝑅𝑖 = ∞, 𝐴 = ∞, 𝑅𝑜 = ∞ d) 𝑅𝑖 = 0, 𝐴 = ∞, 𝑅𝑜 = ∞

VIII. [CO3] Differential Amplifier is said to be in______________ mode when same polarity of signals are

applied to both the input terminals.

IX. [CO3] In differential amplifier differential gain is large as compared to common mode gain (T//F).

X. [CO4] De-Sensitivity factor is given as:

𝑎) 𝐴

1+𝐴𝛽 b)

1

1+𝐴𝛽 c) 1 + 𝐴𝛽 d) 𝐴𝛽

Q2. Answer the following questions. (2x4=8marks) I. [CO4] Compare the properties of different classes of power amplifiers.

II. [CO4] Write a short note on crossover distortion.

III. [CO4] An amplifier has an open loop gain of 100, an input impedance of 1K ohm, and output impedance of

100 ohm. A feedback network with a feedback factor of 0.99 is connected to the amplifier in series-shunt

feedback mode. Find the new input and output impedances.

IV. [CO4] Calculate the efficiency of a transformer coupled class-A amplifier for a supply of 12V and the

output of 4V.

Q3. Answer the following questions. (2x6=12marks) I. [CO3] A) Explain mathematically how OP-AMP can be used as an integrator.

B) What is the range of the output voltage if the input can vary from 0.1 to 0.5V?

II. [CO4] Explain the following properties of negative feedback mathematically

a) Gain De-Sensitivity

b) Bandwidth Extension

Q4. Answer the following questions. (2x10=20marks) I. [CO3] For the following configurations with the help of circuit diagram derive input feedback resistance

and output feedback resistance.

a) Voltage Amplifier

b) Current Amplifier

II. [CO4] A) Explain the working of Complementary Symmetry class B push pull amplifier.

B) For a class B amplifier providing a 20-V peak signal to a 16 ohm load (speaker) and a

power supply of 𝑉𝐶𝐶 = 30𝑉, determine the input power, output power and the circuit

efficiency.

II-In Sem Result Analysis and attainment of

Course Outcomes (CO3 & CO4)

Marks Distribution of I-In Sem Question Paper and Weightage of CO3 & CO4

Question No Marks related

with CO3

Marks related

with CO4

Total Marks

Q1. 4 6 10

Q2. 0 8 8

Q3. 6 6 12

Q4. 10 10 20

TOTAL 20 30 50

Attainment of Course Outcomes- CO3 & CO4

College: JECRC

University

Report Name:

Student Marks

Academic Year/Session: 2018-2018-JULY-DEC, Exam: EVEN SEMESTERS

EXAM 2018-2018, Program: Bachelor of Technology-Electronics&

Communication Engineering - Semester-IV

Course: BEE051A – Analog Electronics


I IN-TERM

Obt. Marks

M.M.-(50)

Attainment of

CO3

M.M.- (20)

Attainment of

CO4

M.M.- (30)

15BEEC051


2 (10%)

2 (7%)

15BEEC172

Shivam Singh

Rathore - BEE 21.00

8 (40%)

13 (43%)

List of Weak students

(Less than 60% Attainment of CO3 & CO4)

15BEEN008

Jaiprakash Prajapat

- BEE 32.00

14 (70%)

18 (60%)

15BEEN017 Mukul Jain - BEE 42.00

18 (90%)

24 (80%)

15BEEN020

Himani Yadav -

BEE 38.00

16(80%)

22 (72%)


20 (100%)

25 (81%)

Uni. Roll

Number Student Name

I IN-TERM

Obt. Marks

M.M.-(50)

Attainment of

CO3

M.M.- (20)

Attainment of

CO4

M.M.- (30)

15BEEC051


2 (10%)

2 (7%)

15BEEC172

Shivam Singh

Rathore - BEE 21.00

8 (40%)

13 (43%)

ACTION TAKEN FOR WEAK STUDENTS

Weak Students who attained less than 60% CO3 & CO4. Two

Assignments ( Assignment-3 from Unit-3 and Assignment-4 from Unit-

4) given to score COs marks more than 60%. Assignments are attached,

then again assignments are evaluated and re-analysis is done as follows.

Assignment 03

I. If the circuit of Fig. has R1 =100 k ohm and Rf =500 k ohm, what output voltage results

for an input of V1 = 2 V?

II. Calculate the output voltage of a noninverting amplifier (as in Fig.) for values of V1 = 2

V, Rf =500 k ohm, and R1 = 100 k ohm.

III. Calculate the output voltage of an op-amp summing amplifier for the following sets of

voltages and resistors. Use Rf =1 Mohm in all cases.

(a) V1=1 V, V2=2 V, V3=3 V, R1 = 500 k ohm, R2 =1 M ohm, R3 = 1 M ohm.

(b) V1=2 V, V2=3 V, V3=1 V, R1 = 200 k ohm, R2 = 500 k ohm, R3 = 1 M ohm.

IV. Calculate the output voltage for the circuit of Fig

V. Calculate the output voltage using the circuit of Fig. 15.5 for resistor components of value Rf = 470 k

ohm, R1 = 4.3 k ohm, R2 = 33 k ohm, and R3 = 33 k ohm for an input of 80 micro V.

Assignment 04

I. Determine the voltage gain, input, and output impedance with feedback for voltage series

feedback having A=100, Ri = 10 k ohm, Ro =20 k ohm for feedback of (a) 𝛽 = −0.1

and (b) 𝛽 = −0.5

II. If an amplifier with gain of -1000 and feedback of 𝛽 = −0.1 has a gain change of 20%

due to temperature, calculate the change in gain of the feedback amplifier.

III. Calculate the amplifier gain of the circuit of Fig. 18.8 for op-amp gain A =100,000 and

resistances R1 = 1.8 k ohm and R2 = 200 ohm.

IV. It is desired to design a phase-shift oscillator (as in Fig.) using an FET having gm =5000

S, rd = 40 k ohm, and feedback circuit value of R =10 k ohm. Select the value of C for

oscillator operation at 1 kHz and RD for A > 29 to ensure oscillator action.

V. Calculate the resonant frequency of the Wien bridge oscillator of Fig

Assignment 04

I. Consider a bistable circuit with a noninverting transfer characteristic and let L+ = −L− =

10 V and VTH = −VTL = 5 V. If vI is a triangular wave with a 0-V average, a 10-V peak

amplitude, and a 1-ms period, sketch the waveform of vO. Find the time interval between

the zero crossings of vI and vO.

II. Consider an op amp having saturation levels of •12 V used without feedback, with the

inverting input terminal connected to +3 V and the noninverting input terminal connected

to vI. Characterize its operation as a comparator. What are L+, L−, and VR, as defined in

Fig. given below?

III. In the circuit of Fig. given below, let LL10 V and R1 1 kΩ.. Find a value for

R2 that gives a hysteresis of 100-mV width.

IV. For the circuit in Fig. given below, let the op-amp saturation voltages be ±10 V, R1 100

kΩR2 R 1MΩ, and C 0.01 µF. Find the frequency of oscillation.

V. Consider a modification of the circuit of Fig. given above in which R1 is replaced by a

pair of diodes connected in parallel in opposite directions. For L+ = -L_ = 12 V, R2 = R =

10 kΩ, C = 0.1 µF, and the diode voltage as a constant denoted VD, find an expression

for frequency as a function of VD. If VD = 0.70 V at 25°C with a TC of -2 mV/°C, find

the frequency at 0°C, 25°C, 50°C, and 100°C. Note that the output of this circuit can be

sent to a remotely connected frequency meter to provide a digital readout of temperature.

Assignment award list for Weak Students

Final analysis of II-In Sem- all students of class attained CO3 & CO4 more than 60%.

Uni. Roll Number Student Name Marks out of 15

Revised

Attainment of CO3 & CO4

15BEEC051 Rishav Raj 09.00

60%

15BEEC172 Shivam Singh Rathore

12.00

90%

Registration No.

JECRC UNIVERSITY

End Sem Examination MAY 2018

IV Semester B. Tech. (ECE)


Time: 3 hrs. Maximum marks: 100

Instructions:








CO5: Understand how Multivibrator works

Section A: Objective type questions (10X1 = 10 marks)

I. [CO2] De-sensitivity factor is given as:

a) 𝐴

1+𝐴𝛽 b)

1

1+𝐴𝛽 c) 1 + 𝐴𝛽 d) 𝐴𝛽

II. [CO1] In common emitter BJT the most important factor that determines low cut off frequency is :

𝑎) 𝐶𝑆 b) 𝐶𝐶 c) 𝐶𝑂 d) 𝐶𝐸

III. [CO1] BJT is a Current controlled Device (T/F)

IV. [CO3] For an Ideal OP-AMP input resistance is____________ and output resistance

is_______________.

V. [CO3] CMRR stands for ________________.

VI. [CO1] Beta is called as the current gain of ______________ Configuration.

VII. [CO1] Leakage current of Ge and Si are in the range of_______________ and _____________

respectively.

VIII. [CO2] Trans-conductance 𝑔𝑚and 𝑟𝜋 in Giacolleto model is given by

𝑎) 𝑔𝑚 =𝐼𝐶

𝑉𝑇, 𝑟𝜋 =

𝐼𝐵

𝑉𝑇 b) 𝑔𝑚 =

𝐼𝐶


𝑉𝑇

𝐼𝐵 c) 𝑔𝑚 =

𝑉𝑇

𝐼𝐶, 𝑟𝜋 =

𝑉𝑇

𝐼𝐵 d) 𝑔𝑚 =

𝐼𝐶


𝐼𝐵

𝑉𝑇

IX. [CO2] Miller Model can be applied to Non Inverting Amplifiers. (T/F)

X. [CO2] Which of the following class has maximum efficiency:

a) Class AB b) Class c c) Class D d) Class B

Section B: Very Short type questions (5X2 =10 marks)

I. [CO2] Calculate the efficiency of a transformer-coupled class –A amplifier for a supply voltage of 12 V

and V (p) = 12 V

II. [CO3] Explain mathematically Application of OP-AMP as differentiator.

III. [CO2] Compare the properties of different classes of power Amplifiers.

IV. [CO2] Draw the equivalent circuit of Trans-resistance Amplifier.

V. [CO4] An amplifier has an open loop gain of 100, an input impedance of 1K ohm, and output impedance of

100 ohm. A feedback network with a feedback factor of 0.99 is connected to the amplifier in series-series

feedback mode. Find the new input and output impedances.

Section C: Short type questions (5X6 =30 marks)

I. [CO5] Explain in detail the working of Astable Multivibrator as Square Wave Generator. Also draw the

circuit diagram and input-output waveforms of square wave generator.

II. [CO1] Determine the Q-point of the transistor circuit shown in figure. Also draw the d.c. load line. Given

𝛽 = 100 and 𝑉𝑏𝑒 = 0.7 𝑉.

III. [CO2] Draw the Circuit Diagram of following feedback configuration and write equations for their Input

and output resistances: a) Series-Shunt b) Shunt- Shunt

IV. [CO3] A) Explain mathematically how OP-AMP can be used as Non-Inverting Amplifier.

B) Find 𝑉0 for the following Circuit:

V. [CO4] Explain the following properties of negative feedback mathematically

a) Gain De-Sensitivity

b) Bandwidth Extension

Section D: Long type questions (5X10 =50 marks)

I. [CO5] For the network given in figure below :

Find:

𝑎) 𝑓𝐻𝑖 and 𝑓𝐻0 b) 𝑓𝛽 and 𝑓𝑇

II. [CO3] A) Explain the working of Transformer coupled class B push pull amplifier.

B) For a class B amplifier providing a 20-V peak signal to a 16 ohm load (speaker) and a power

supply of 𝑉𝐶𝐶 = 30𝑉, determine the input power, output power and the circuit efficiency.

III. [CO2] Determine a) 𝑟𝑒 b) Find 𝑍𝑖 ( with 𝑟𝑜 = ∞ ) c) Calculate 𝑍0 ( with 𝑟𝑜 = 50 𝐾 𝑜ℎ𝑚 ) d) Determine

𝐴𝑉 ( with 𝑟𝑜 = 50 𝐾 𝑜ℎ𝑚 ) e) 𝐴𝐼 ( with 𝑟𝑜 = 50 𝐾 𝑜ℎ𝑚 ) (given: 𝛽 = 100 )

IV. [CO4] Design Colpitts Oscillator for sustained oscillations. Also find Frequency of Oscillations.

V. [CO1] For the following circuit, 𝛽𝑑𝑐 = 80,Calculate a) 𝐼𝐵 b) 𝐼𝐶 c) 𝑉𝐶𝐸 d) 𝑉𝐶 e) 𝑉𝐵 f) 𝑉𝐵𝐶

Marks Distribution of End Sem Question Paper and Weightage of

CO1, CO2,CO3, CO4 & CO5

Question

No

Marks

related

with CO1

Marks

related

with

CO2

Marks

related

with

CO3

Marks

related

with

CO4

Marks

related

with CO5

Total

Marks

Q1. 6 2 2 0 0 10

Q2. 0 6 2 2 0 10

Q3. 6 6 6 6 6 30

Q4. 10 10 10 10 10 50

TOTAL 22 24 20 18 16 100

Result Analysis of END Term Exam


END TERM[Min/Max:0.0/100.0][W:1

00.0%] Obt. Marks | Remarks

15BEEC051 Rishav Raj - BEE 11.00 (Not passed)

15BEEC172 Shivam Singh Rathore - BEE 60.00

15BEEN008 Jaiprakash Prajapat - BEE 68.00

15BEEN017 Mukul Jain - BEE 80.00

15BEEN020 Himani Yadav - BEE 65.00


FINAL REMARKS ON ATTAINMENT OF COURSE OUTCOMES

5 students out of 6 students have attained all course outcomes

successfully. One student (Roll No. 15 BEEC051) has not

attained course outcomes as he is not passed in this subject, he

will write back exam in next sem/year and if he gets passing

marks, it will be assumed that this student also attained all

course outcomes of this particular subject.

ATTAINMENTS OF POs (PROGRAM OUTCOMES-PO1 to PO12)


Attainme

nt of

CO1 in

%

Attainm

ent of

CO2 in

%

Attainme

nt of

CO3 in

%

Attainm

ent of

CO4 in

%

Attainment

of CO1-CO5

in %

15BEEC051 Rishav Raj - BEE 90% 90% 60% 60% -

15BEEC172 Shivam Singh Rathore - BEE

13 (62%)

22 (76%)

90% 90%

60.00

15BEEN008 Jaiprakash Prajapat - BEE

60% 60%

14 (70%)

18 (60%) 68.00


18(86%)

22(76%)

18 (90%)

24 (80%) 80.00

15BEEN020 Himani Yadav - BEE

15(71%)

21(72%)

16(80%)

22 (72%) 65.00

16BEEM046 Palak Arora - BEE

13 (62%)

22 (76%)

20 (100%)

25 (81%) 71.00

AVERAGE ATTAINMENT IN % 72% 75% 82% 73% 70%

Average of all Course Outcomes 75%

64%66%68%70%72%74%76%78%80%82%





Attainment ofCO1-CO5 in %

Final/Average Calculation of Attainment of CO1, CO2,CO3, CO4 & CO5 :- Subject: Course: BEE051A – Analog Electronics

Chart Title

Final/Average Calculation of Attainment of CO1, CO2,CO3, CO4 &

CO5 :- Subject: Course: BEE051A – Analog Electronics

Mapping & Attainment of POs with COs. Of Subject:- Analog Electronics

Course

Outcome

Program Outcomes

PO1 PO2 PO3 PO4 P05 PO6 PO7 PO

8

PO9 P010 P011 PO1

2

CO1 H H M M M H M

CO2 H H H M H M H M

CO3 H M H H

CO4 M H M H

CO5 M M H L H

Total

Weightag

e

11 7 8 2 3 8 2 3 6 5 7 8

%

Weightag

e

92% 78% 89% 67% 100

%

89% 67% 100

%

67% 83% 78% 89%

Final

Attainme

nt of POs

69% 59% 67% 50% 75

%

67% 50% 75

%

50% 62.5

%

58% 67%

H = Highly Related=Weightage= 3/3,M = Medium =Weightage =2/3, L = Low=Weightage= 1/3

0%

10%

20%

30%

40%

50%

60%

70%

80%

PO1 PO2 PO3 PO4 P05 PO6 PO7 PO8 PO9 P010 P011 PO12

Attainment of POs by Subject -Analog Electronics

Documents

2.6.2 attainment of Course outcomes and POs.pdf - JECRC