Technology Education & Research institute,...

Technology Education & Research institute, Kurukshetra

SCHEME OF EXAMINATION FOR B.TECH DEGREE COURSE

Forth semester examination

(Electronics & Communication Engineering)

Teaching Schedule

Examination Schedule

S No.

Course No.

Subject L T P/D

Total

Theory

Sessional

Practical Viva

Total Marks

Duration of Exam (Hours)

1 MATH-201E/ HUM-201E

Mathematics –III/ Basics of Industrial Society, Economics & Management

3 1 - 4 100 50 - 150 3

2 MAT-204E Computational Technique

3 1 - 4 100 50 - 150 3

3 ECE-202E Electronics Instrumentation & Measurements

3 1 - 4 100 50 - 150 3

4 ECE-204E Digital Electronics 3 1 - 4 100 50 - 150 3 5 ECE-208E Signal & Systems 3 1 - 4 100 50 - 150 3 6 ECE-206E Field & Waves 3 1 - 4 100 50 - 150 3 7 ECE-208E Electronics

Measurements Lab - - 3 3 - 50 50 100 3

8 ECE-210E Digital Electronics Lab

-- - 3 3 - 50 25 75 3

9 MAT-206E Computational Technique Lab

- - 3 3 - 50 25 75 3

Total 18 6 9 33 600 450 100 1150

B.TECH IVTH SEMESTER

BASICS OF INDUSTRIAL SOCIOLOGY, ECONOMICS & MANAGEMENT

(HUM – 201 E) Sessional: 50 Marks L T P Theory: 100 Marks 3 1 - Total: 150 Marks Duration of Exam. : 3 Hrs. UNIT-I Meaning of social change, nature of social change, theories of social change. The direction of social change, the causes of social change, the process of social change. Factors of social change – the technological factors, the cultural factors, effects of technology on major social institutions, social need of status system, social relations in industry. UNIT-II Meaning of Industrial Economic, Production Function, its types, Least Cost Combination, Law of Variable Proportion, Laws of Return – Increasing, Constant & Diminishing. Fixed & variable costs in short run & long run, opportunity costs, relation between AC & MC, U-shaped short run AC Curve. Price & Output Determination under Monopoly in short run & long run. Price Discrimination, Price Determination under Discriminating Monopoly. Comparison between Monopoly & Perfect Competition. UNIT – III Meaning of Management, Characteristics of Management, Management Vs. Administration, Management –Art, Science & Profession, Fayal’s Principles of Management. Personnel Management – Meaning & Functions, Manpower – Process of Manpower Planning, Recruitment & Selection – Selection Procedure. Training – Objectives & Types of Training, Various Methods of Training. Labor Legislation in India –Main provisions of Industrial disputes Act 1947; UNIT – IV Marketing Management – Definition & Meaning, Scope of Marketing Management, Marketing Research –Meaning, Objectives. Purchasing Management – Meaning & Objectives, Purchase Procedure, Inventory Control Techniques. Financial Management – Introduction, Objectives of Financial decisions, Sources of Finance. Note: Eight questions are to be set taking two from each unit. The students are required to attempt five questions in all, taking at least one from each unit. TEXT BOOKS: 1. “Modern Economic Theory” Dewitt, K.K., S. Chand & Co. 2. “Economic Analysis” K.P. Sundharam & E.N. Sundharam (Sultan Chand & Sons). 3. “Micro Economic Theory” M.L. Jhingan (Konark Publishers Pvt. Ltd.). 4. “Principles of Economics” M.L. Seth (Lakshmi Narain Aggarwal Educational Publishers – Agra). 5. “An Introduction to Sociology”, D.R. Sachdeva & Vidya Bhusan. 6. “Society – An Introductory Analysis”, R.M. Maclver Charles H. Page. 7. “Principles and Practices of Management: R.S. Gupta; B.D. Sharma; N.S. Bhalla; Kalyani. REFERENCE BOOKS 1. “Organization and Management: R.D. Aggarwal, Tata McGraw Hill. 2. Business Organization and Management: M.C. Shukla




(HUM – 201 E)

Assignment No. 1

Q.No.1: What do you understand by social change? Describe the nature of social change.

Q.No.2: Explain in detail the various theories of social change?

Q.No.3: What are the causes of social change? Explain the process of social change.

Q.No.4: What are the factors involved in social change. Explain in detail

Q.No.5: Write short notes on:

(A) Social need of status system

(B) Social relations in industry



(HUM – 201 E)

Assignment No. 2

Q.No.1: Explain various aspects of industrial economics & differentiate between micro economics and industrial economics.

Q.No.2: Explain the law of variable proportions and what are the causes of its application?

Q.No.3: Explain the law of returns to Scale.

Q.No.4: Why short run average cost curve is U shaped?

Q.No.5: Long run average cost curve is called ‘Envelope Curve’?

Q.No.6: Describe various forms of market.

Q.No.7: Explain and illustrate Dumping.




(HUM – 201 E)

Assignment No. 3

Q.No.1: Differentiate between Management & Administration.

Q.No.2: What are the various Principles of management as given by Fayol?

Q.No.3: What do you mean by Personnel Management? What are the functions of this department?

Q.No.4: Explain the various methods of manpower planning?

Q.No.5: Explain the objectives and methods of training.

Q.No.6: What are the main provisions of Industrial dispute Act-1947.?



(HUM – 201 E)

Assignment No. 4

Q.No.1: Define marketing management & what is the scope of marketing management?

Q.No.2: Explain the process of marketing research in detail.

Q.No.3: Explain purchase management. Differentiate between procurement and purchasing.

Q.No.4: Write a detailed note on Inventory control technique.

Q.No.5: Define financial management & its objectives? Sources of finance.

Q.No.6: Write note on various source of finance.


ELECTRONICS INSTRUMENTATION AND MEASUREMENTS

(ECE-202E)

L T P ` THEORY: 100 Marks

3 1 - SESSIONAL: 50

TOTAL: 150

TIME: 3Hrs.

UNIT-I

MEASUREMENT AND ERROR: Functional elements arid generalized configuration of a measuring Instrument, Characteristics of instruments, errors in measurements and their statistical analysis. MEASUREMENT OF RESISTANCE: Wheat stone bridge, Carey-Foster Bridge, Kelvin double bridge, Measurement of Insulation resistance. UNIT-II

A-C BRIDGES: Maxwell Inductance bridge. Maxwell Inductance Capacitance Bridge, Anderson’s Bridge, Hay’s Bridge, De-Sauty’s Bridge, Schering’s bridge and Wein’s bridge. VOLTAGE INDICATING AND RECORDING DEVICES: Analog voltmeters and Potentiometers, Self balancing potentiometer and X-Y recorders, Galvanometers - Oscillographs, Cathode - Ray Oscilloscopes, Magnetic Tape Recorders. UNIT-III

ELECTRONIC INSTRUMENTS: Wave analyzer, Distortion meter: Q-meter. Measurement of Op-Amp parameters. DIGITAL INSTRUMENTS: Digital Indicating Instruments, Comparison with analog type, digital display methods, digital methods of time and frequency measurements, digital voltmeters. UNIT-IV

TRANSDUCERS: Classification of Transducers, Strain Gauge, Displacement Transducers - Capacitive Transducers, LVDT, Piezo-electric Transducers, Temperature Transducers - resistance thermometer, Thermocouples and Thermistors, Liquid level measurement Low pressure (vacuum) measurement. DATA ACQUISITION SYSTEMS: A to D and D to A converters, Analog and Digital Data Acquisition Systems, Multiplexing, Spatial Encoders, Telemetry.

TEXT BOOK

A Course in Electrical and Electronics Measurements and Instrumentation: A.K. Sawhney; Dhanpat Rai & Sons.

REFERENCE BOOKS

1. Electronics Instrumentation and Measurement Techniques: Cooper W.D & Helfrick A.D.; PHI 2. Doeblin E.O., Measurement Systems: Application & Design, Mc Graw Hill. NOTE:

Eight questions are to be set in all by the examiner taking two questions from each unit. Students will be required to attempt five questions in all.




(ECE-202E)

Assignment No. 1

Q.1 Explain with the help of a block diagram the functional elements of a measuring instruments.

Q.2 Write a note on following characteristics of an instruments

a) Accuracy

b) Sensitivity

c) Reproducibility

d) Drift

Q. 3 Differentiate between gross errors, systematic errors and random errors.

Q. 4 Write a note on Wheat stone Bridge used for measurement of medium resistance. What are its

limitations.

Q. 5 Draw a neat diagram of Carey Foster slide wire bridge and explain how it is used for resistance

measurement.

Q. 6 What are various methods to measure the low resistances. How a Kelvin Double Bridge is used to

measure the low resistance.

Q. 7 A length of cable is tested for insulation resistance by the loss of charge method. A voltmeter of

infinite resistance is connected between cable conductor and earth forming a capacitance of 600pf.

After charging voltage fall from 250V to 100 V in 1min.Calculate the insulation resistance of the

cable.




(ECE-202E)

Assignment No. 2

Q.1 Discuss in detail operation and components of a self balancing bridge.

Q.2 Draw the circuit diagram of Crompton’s potentiometer and discuss steps to measure the unknown

resistance.

Q. 3 Write a technical note Maxwell’s Inductance Bridge with neat diagram and draw phasor diagram.

Q. 4 Explain Anderson’s Bridge with circuit and phasor diagram. Write its advantages and

disadvantages.

Q. 5 What are various methods to measure the unknown capacitance. How a De-Sauty’s Bridge measure

the capacitance.

Q. 6 Write a short note on Wein’s Bridge. How is it used to measure the frequency?

Q. 7 Write a note on Lissajous pattern.

Assignment No. 3

Q.1 Explain the principle and working of Q-Meter.

Q.2 Write a note on following Op-amps parameters

a) Gain Bandwidth product

b) Slew rate

c) CMRR

d) SVRR

Q. 3 What is Op-amp. Draw the block diagram and equivalent circuit of this. Write its characteristics and

applications.

Q. 4 Write a note on the performance parameters those are to be considered while selecting an analogue

Voltmeter.

Q. 5 Explain construction & characteristics of a Wave Analyzer.

Q. 6 Explain in brief digital methods of time & frequency measurements.

Q. 7 write a short note on the following

a) DVMs b) Distortion Meter c) LCD




(ECE-202E)

Assignment No. 4

Q.1 what are the various factors that affects the choice of a transducer.

Q.2 What is transducer? How the transducers are classified?

Q. 3 a) What is piezoresistive effect? Discuss the theory behind strain gauges.

Q. 3 b) A resistance wire strain gauge uses a soft iron wire of small diameter. The gauge factor is4.2.

Calculate the Poisson’s ratio while neglecting the piezoresistive effect.

Q. 4 Explain construction, characteristics and application of Thermistors.

Q. 5 Draw a circuit diagram of a LVDT and explain its working. Also discuss its uses.

Q. 6 What do you mean by data acquisition. Discuss data acquisition system with block diagram with all

its components.

Q. 7 write a short note on the following

a) Telemetry

b) Multiplexing


DIGITAL ELECTRONICS

(ECE-204E)

L T P THEORY: 100 Marks 3 1 - SESSIONAL: 50 Marks

TOTAL: 150 Marks TIME: 3 HRS

UNIT 1

FUNDAMENTALS OF DIGITAL TECHNIQUES: Digital signal, logic gates: AND. OR, NOT. NAND. NOR- EX-OR, EX-NOR, Boolean algebra. Review of Number systems. Binary codes: BCD, Excess-3. Gray codes. COMBINATIONAL DESIGN USING GATES: Design using gates. Karnaugh map and Quine Mcluskey methods of simplification.

UNIT 2

COMBINATIONAL DESIGN USING MST DEVICES Multiplexers and Demultiplexers and their use as logic elements. Decoders. Adders / Subtracters. BCD arithmetic Circuits. Encoders. Decoders / Drivers for display devices. SEQUENTIAL CIRCUITS: Flip Flops: S-R- J-K. T. D, master-slave, edge triggered- shift registers, sequence generators. Counters. Asynchronous and Synchronous Ring counters and Johnson Counter, Design of Synchronous and Asynchronous sequential circuits.

UNIT 3

DIGITAL LOGIC FAMILIES: Switching mode operation of p-n junction, bipolar and MOS-devices. Bipolar logic families: RTL, DTL, DCTL. HTL, TTL, ECL, MOS, and CMOS logic families. Tristate logic. Interfacing of CMOS and TTL families.

UNIT 4

A/D AND D/A CONVERTERS: Sample and hold circuit, weighted resistor and R -2 R ladder D/A Converters, specifications for D/A converters. A/D converters: Quantization, parallel -comparator, successive approximation, counting type. Dual-slope ADC, specifications of ADCs. PROGRAMMABLE LOGIC DEVICES: ROM, PLA. PAL, Introduction to FPGA and CPLDs. TEXT BOOK: 1. Modem Digital Electronics (Edition III): R. P. Jain; TMH REFERENCE BOOKS: 1. Digital Integrated Electronics: Taub & Schilling: MGH 2. Digital Principles and Applications: Malvino & Leach: McGraw Hill. 3. Digital Design: Morris Mano: PHI, NOTE: Eight questions are to be set in all by the examiner taking at least one question from each unit. Students will be required to attempt five questions in all.



DIGITAL ELECTRONICS

(ECE-204E)

Assignment No. 1

Q.1 Perform the following conversions:-

(a) (2334)10 = ( )2 (b) (65A9)16 =()8 (c) (457.9)10 =( )8

(d) (76.6)8 = ( )10 (e) (6781)10 =( )16

Q.2 What do you mean by universal gate? Prove that NAND and NOR gates are universal gates.

Q.3 Explain about BCD, GRAY and EXCESS-3 code with examples.

Q.4 Solve the followings using Boolean algebra rules:-

(a) Y=A’BCD’+B’C’D+AD+A’CD+A’B’C’D’

(b) Y={(A+B+C)’+(B+C’+D’)}’

Q.5 Solve the following Boolean function using K-map:-

f(A,B,C,D)=∑m(0,4,7,9,12,14,15)+d(2,3,10,13)

and also draw the logic diagram for the result.

Q.6 Design the logic diagram of following equation using NAND-NAND:-

Y= A’BCD’+B’C’D+AD+A’CD+A’B’C’D’

Q.7 Using QM method solves the following Boolean function:-

f(A,B,C,D,E)=∑m(0,4,7,9,12,14,15,17,21,25,29,31)+d(2,3,10,13,18,30)

Assignment No. 2

Q.1 Implement a 16:1 MUX using 8:1 MUX.

Q.2 Design a full adder circuit using two half adders with its truth table. Q.3 Write the differences between combinational circuit and sequential circuit

with example. Q.4 Explain BCD to seven segment decoder.

Q.5 (a) What is the difference between flip-flop and latch? (b) What is race around condition? How can we remove it using master slave flip flop, explain it.

Q.6 Design a MOD-10 synchronous counter.

Q.7 What is up-down counter ?Design it in asynchronous mode. Q.8 Explain bidirectional shift register.



DIGITAL ELECTRONICS

(ECE-204E)

Assignment No. 3

Q.1 Explain how a p-n junction can work as a switch.

Q.2 Write the characteristics of digital ICs.

Q.3 What do you understand by open collector, wired OR and totem pole output circuit operation?

Q.4 Explain the working of ECL with its characteristics.

Q.5 Explain the working of C-MOS NAND and NOR circuit.

Q.6 Interface TTL with C-MOS logic family.

Assignment No. 4

Q.1 Explain about weighted resistor DAC.

Q.2 write the characteristics of DAC.

Q.3 Explain the working of successive approximation ADC.

Q.4 Write the differences between ADC and DAC.

Q.5 Explain parallel comparator OR flash ADC with diagram.

Q.6 Give detail of PAL and PLA with suitable example.

Q.7 What is FPGA? Write the differences between FPGA and CPLD.


SIGNAL & SYSTEM

(EE-208E)

L T Theory: 100 Marks

3 1 Sessional: 50 Marks

Total: 150 Marks

Time: 3 Hrs.

UNIT-I

Types of signals:- Deterministic and Stochastic, periodic and a periodic, impulse functional sequences, analog and discrete, singular functions. Signal representation in terms of singular functions, orthogonal functions and their use in signal representation. Fourier series, Fourier and La-place transforms. Convolution theorem, geometrical interpretation and application.

UNIT-II

Probability concepts, random variable, pdf, cdf, moments, distributions, correlation functions. Characterization of stochastic signals.

Discretisation of analog signals – sampling, sampling theorem and its proof. Effect of under sampling, recovery of analog signals from sampled signal. Characterization of Discrete signals – in terms of impulse sequences, Z-transforms. Properties, inversion and applications of La-place, Fourier and Z-transforms.

UNIT-III

SYSTEM: Classification, linear and non-linear, time invariant and time varying, Lumped and distributed. Deterministic and Stochastic. Casual and non causal, Analog and Discrete/Digital memory and memory less, 1 port and N – port, SISO, SIMO, MISO, MIMO.

UNIT-IV

System modeling in terms of differential, equations, state variables, difference equations and transfer functions. Linear time invariant system properties, elementary idea of response determination to deterministic and stochastic signals. Concept of impulse response.

REFERENCE. BOOKS:

1. Fred J Taylor –“Principles of Signals and System”, MGH.

2. Simon Haykins – “Signal & Systems”, Wiley Eastern

3. A Papoulis – “Circuit and System” Modern Approach HRW

NOTE: Eight questions are to be set in total covering entire course selecting two questions each unit. Each question will be of equal marks Students will be required to attempt five questions in all, selecting at least one question from each unit.



SIGNAL & SYSTEM

(EE-208E) Assignment No.1

Q.1 Define the term signal. How will you classify the signals? Q.2 Differentiate between signals in each group (a) Periodic and Non-Periodic Signals (b) Analog and Discrete Signals (c) Unit Step and Unit Impulse Signals (d) Even and Odd Signals. Q.3 Discuss Singular and Orthogonal Functions. Q.4 Determine whether the following signals is periodic or not. If periodic determine its fundamental period.

(a) x(n) = sin (b) x(n) = cos

(c) cos (d) x(n) = cos Q.5 Explain Convolution theorem with example. Q.6 what are the Drichlet’s conditions? Explain important properties of Fourier series. Q.7 Find the fourier transform of signal x(t) = t cos At.



SIGNAL & SYSTEM


Q.1 Explain Probability Density Function and Cumulative Distribution Function. Explain the properties of both functions also. Q.2 Discuss the correlation functions with their types and properties. Q.3 What do you mean by sampling process. Explain sampling theorem with proof. Q.4 Define Aliasing. How the analog signal can be recovered from sampled signal. Q.5 Explain Important properties of Z-transform and Laplace – Transform. Q.6 Find the Inverse Z- Transform of

X(z) = . Q.7 A joint PDF of two random variable X and Y is given as (X, Y) = Determine

(a) P (X<1) (b) P (X>1) (c) P(X+Y<1)



SIGNAL & SYSTEM


Q.1 Define the term System. How will you classify the systems? Q.2 Differentiate between systems in each group (a) Lumped and Distributed Systems (b) Causal and Non-Causal Systems (c) Static and Dynamic Systems (d) Time Invariant and Time-Varying Systems. Q.3 Write short note on SISO and MIMO. Q.4 Test the following System for Linearity, Time Invariance and Causality.

(a) a(n) = b(-n+5) (b) a(n) = b(n) sin ( )

Q.5 Determine whether the following systems are time variant or time Invariant.

(a) y (n) = 3x(n) – 5x(n-2) (d) y(n) = 2x(n) +4 (b) y(n) = sin x(n) (e) y(n) = x(3n) (c) y(n) = x (f) y(n) =

Q.6 Check whether the following systems are Linear or not.

(a) y (n) = x (d) y(n) = 3x(n) +7 (b) y(n) = x(n) sin (e) y(n) = (c) y(n) =2x



SIGNAL & SYSTEM


Q. 1 Find the Response of system S(n+2)-3s(n+1)+2s(n) = s(n) when all initial conditions are zero. Q.2 Define LTI systems. Explain its properties in detail. Q.3 Explain what is meant by state, state variable and state vectors. Discuss the state variable representation of an LTI system. Q.4 Find the Explicit expression or solve the first order differential equation given as

Where x(t) as input and y(t) as output of continues time LTI system. Q.5 Discuss the properties of transfer matrix. Q.6 Determine the transfer matrix from the data given below

A = , B = , C = , D = 0.


FIELDS & WAVES

(ECE-206E)

L T Theory: 100 Marks 3 1 Sessional: 50 Marks

Total: 150 Marks Time: 3 Hrs.

UNIT-I ELECTRIC FIELD AND CURRENT Coulomb's law. Electric field intensity, field due to a continuous volume charge distribution, field of a line charge, field of a sheet of charge, electric flux density, Gauss's law and applications, electric potential, the dipole, current density, continuity of current, metallic conductors, conductor properties and boundary conditions, the method of images, the nature of dielectric materials, boundary conditions for perfect dielectric materials, capacitance of two wire line, Poisson's and Lap lace’s equations, uniqueness theorem.

UNIT-II MAGNETIC FIELD AND MAXWELLI EQUATION Biot - Savart law. Ampere's law, magnetic vector potentials, force on a moving charge, differential current element, force and torque on a closed circuit, the boundary conditions, the magnetic circuit, potential energy and forces on magnetic materials. Faraday's law, Maxwell's equations in point form and integral form Maxwell's equations for sinusoidal variations, retarded potential

UNIT-III THE UNIFORM PLANE WAVE Wave motion in free space and perfect dielectrics, plane waves in lossy dielectrics. The Poynting vector and power considerations, propagation in good conductors, skin effect, reflection of uniform plane waves, SWR.

UNIT-IV TRANSMISSION LINES AND WAVEGUIDES The Transmission line equations, graphical methods, Smith chart, time-domain and frequency-domain analysis. TE, TM, TEM waves, TE and TM modes in rectangular and circular waveguides, cut-off and guide wavelength, wave impedance and characteristic impedance, dominant modes, power flow in waveguides, excitation of waveguides, dielectric waveguides. REFERENCE. BOOKS:

1 Jordan E C & Balmain K G, Electromagnetic Waves and Radiating Systems, PHI.

2 David K. Chang, Field and Waves Electromagnetics, Addison Wesley.

3. Hayt W H JR., Engineering Electromagnetics, Tata McGraw Hill, Fifth edition.

NOTE: Eight questions are to be set in total covering entire course selecting two questions each unit. Each question will be of equal marks Students will be required to attempt five questions in all, selecting at least one question from each unit.



FIELDS & WAVES

(ECE-206E)

Assignment No.1

1 a) State and prove Guass’s Law & state its applications?

b) State Coulomb’s Law?

2 Derive Laplace’s equation for electrostatic field . write down this equation in spherical

coordinates & obtain a general solution for the same?

3 State and Prove Uniqueness Theorem?

4 A Positive point charge of magnitude 4*10-6 C is situated at point x=0, y=+2m and another

negative point charge of -2*10-6 C is situated at point x=0 and y=-2m. Determine electric field

and electrical potential at point x=0 and y=-1m .Medium is Vaccum.

5 State and explain the boundary conditions

a) for Electrostatic fields.

b) For Boundary Conditions at interface between conductor & Dielectric.

6 Calculate Potential at a point

a) outside

b) Inside a uniformly charged Sphere of radius a.

7 Calculate Field:-

a) Due to continuous volume charge

b) Of a sheet of charge.



FIELDS & WAVES

(ECE-206E)

Assignment No.2

1 Write short note on a) Magnetic Vector Potential

b) Magnetic Flux Density

c) Magnetic Field Intensity

d) Ampere’s Law Of Force

3 Write down Maxwell’s equation in free space. Using these equations derive the wave equation for E vector and H vector.

4 Write a short note on Retarded Potential?

5 For a z- directioned current of I ampere’s flowing in an infinity long conductor , verify that magnetic vector potential can be written as

A=-K µ I log(x2+y2)

4 ∏

a) Derive an expression for force & Torque in a closed circuit

b) A solenoid of 20 cm long & 1 cm diameter has a uniform winding of 1000 times. If the solenoid is placed in a uniform field of 2 wb/m2 flux density & a current of 10 Amps is passed through the solenoid winding determine the maximum torque on solenoid.

7 Explain Faraday’s Law of Electromagnetic Induction?



FIELDS & WAVES

(ECE-206E)

Assignment No.3

1 Explain the significance of Poynting theorem? & application of Poynting theorem? 2 Explain the term SWR relating to transmission line ? what is the relation between SWR &

Reflection coefficient of lossless line? 3 Explain propagation of plane Electromagnetic wave in conducting medium? 4 In a certain transmission line measurement characterstic impedence is 50 ohm, VSWR=30 and

the distance from the first load to the first standing wave minimum is 0.15λ.calculate the load impedence.

5 Define propagation of plane electromagnetic waves in good comductors? 6 What do you mean by Depth of Penetration & polarization? 7 A Plane electromagnetic wave having a frequency of 10 Mhz has an average pointing vector of 1

w/m2 .If the medium is lossless with relative permeability 2 and relative permittivity 3 find: a) the velocity of propagation b) the wavelength c) the impedence of the medium d) the RMS electric field E e)

Assignment No.4

1 What are TE , TM , TEM Mode waves? Outline the principle of operation of waveguides. Derive the expression for the guide wavelength of TE Mode propagating in hollow Rectangular Waveguide?

2 A Rectangular Waveguide is to be designed to propagate 10 ghz signal dominant Mode Calculate a) Dimensions of waveguide

b) Velocity c) Guide wavelength d) Propagation constant P

3 Define the concept of wave impedence & characteristics impedence? 4 Explain TE Mode versus TM Mode characterstics? 5 A frequency of 3ghz is impressed on a hollow arectangular waveguide of dimensions 6 cm*4 cm.

Compute a) cut-off wavelength b) Guide wavelength c) Phase velocity d) Wave impedence for TE10 mode of propagation

6 Describe various transmission line parameters? And obtain transmission line equations?


ELECTRONICS MEASUREMENTS LAB

(ECE-208E)

L T P Sessional: 50 Marks

- - 3 Viva: 25 Marks

Total: 75 Marks

Time: 3hrs.

LIST OF EXPERIMENTS:

1. To measure the unknown Inductance in terms of capacitance and resistance by using Maxwell’s Inductance bridge.

2. To measure unknown Inductance using Hay’s bridge.

3. To measure unknown capacitance of small capacitors by using Schering’s bridge.

4. To measure 3-phase power with 2-Wattmeter method for balanced and unbalanced bridge.

5. To measure unknown capacitance using De-Sauty’s bridge.

6. To measure unknown frequency using Wein’s frequency bridge.

7. To measure unknown low resistance by Kelvin’s Double bridge.

8. To test the soil resistance using Meggar (Ohm meter).

9. To calibrate Energy meter using standard Energy meter.

10. To plot the B-H curve of different magnetic materials.

11. To calibrate the Voltmeter using Crompton Potentiometer.

12. To convert the Voltmeter into Ammeter using Potentiometer.

13. Insulation testing of cables using Digital Insulation Tester.

NOTE:



DIGITAL ELECTRONICS LAB

(ECE-210E)



Total: 100 Marks

Time: 3hrs.

LIST OF EXPERIMENTS:

1. Familiarization with Digital Trainer Kit and associated equipment.

2. Study of TTL gates AND, OR, NOT, NAND, NOR, EX-OR, EX-NOR.

3. Design and realize a given function using K-Maps and verify its performance.

4. To verify the operation of Multiplexer and Demultiplexers.

5. To verify the operation of Comparator.

6. To verify the truth table of S-R, J-K, T, D Flip-flops.

7. To verify the operation of Bi-directional shift register.

8. To design and verify the operation of 3-bit asynchronous counter.

9. To design and verify the operation of synchronous Up/down counter using J-K flip-

flops & drive a seven-segment display using the same

10. To design and verify the operation of asynchronous Decade counter.

11. Study of TTL logic family characteristics.

12. Study of Encoder and Decoder.

13. Study of BCD to 7 segment Decoder.

NOTE:



COMPUTATIONAL TECHNIQUES LAB

(MAT-206E)



Total: 75 Marks

Time: 3hrs.

List of Experiments

The Source codes for the following problems are to develop by the students & results should be verified.

1. Solution of Non-Linear Equation in single variable using the method of successive Bisection.

2. Solution to non-linear equation in single variable using the Newton-Raphons method.

3. Solution to non linear equation in single variable using the Secant method.

4. Solution to a system of simultaneous algebraic equations using the Gaussian elimination procedure.

5. Solution to a system of simultaneous algebraic equations using the Gauss-Seidel iterative method.

6. Numerical solution to an ordinary differential equation using the Euler’s method.

7. Numerical solution to an ordinary differential equation using the

Range-Kutta Method.

8. Numerical solution to an ordinary differential equation using the

Predictor Corrector Method.

9. Numerical Solution to the Laplace equation using the method of finite

differences.

10. Solution to system of simultaneous equations using Gauss-Seidal Iterative method employing the technique of successive relaxation.

NOTE:

At least eight experiments are to be performed from above list and the concerned institution as per the scope of the syllabus can set remaining two.

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