EC-601 ANTENNA AND WAVE PROPAGATION    

1.   Basic antenna concepts :

 Various definitions, antenna parameters, transmission formula, sources of    radiation ,  comparison between antennas & transmission lines.

2.   Point sources:

 Power patterns of various sources , radiation intensity, directivity, beam width,sources  with pattern of arbitrary shape, gain, field and phase patterns.

3.   Arrays of point sources :

 Arrays of 2 isotropic point sources, nonisotropic point sources, principles of pattern multiplication, linear arrays of non-isotropic point sources of equal amplitude & spacing, broad  side, end fire arrays, radiation pattern determination of linear arrays, schelkunoff theorems for linear ar arrays, Adolph-Tchebysheff distribution for linear arrays.

  4.      Electric dipole and thin layer antennas :

   Short electric dipole radiation of a short dipole, various field Components radiation  patterns,radiation resistance of linear antenna, radiation resistance of half waveDipole, quarter wave dipole.

5.  Loop antenna :

Small loop short magnetic  dipole, comparison of far field of small loop and short  dipole loop antennas, field pattern of circular loop antenna & its radiation resistance.

6.   Helical antenna :

Helical geometry, transmission radiation modes, practical design consideration, wide band ckt of helical antenna.

  7.      Arrays of dipoles & apertures :

      Horizontal antennas and vertical antennas above a ground plane, Arrays with parasitic elements,  freq.Scanning arrays, retro arrays, adaptive arrays & smart antennasLong wire antennas, location methods of feeding antennas, folded dipole antennas.

    8.   Reflector antennas & feed systems :

        Plane sheet reflectors & diffraction, corner reflectors, reflector, paraboloidaperture distribution  & efficiencies, off axis opertion of parabolic reflectors, cassegrain feed of other reflector antennas.

     9.  Slot horn & complementary antennas :

 Slot antennas, its pattern, principle & complementary Antennas, independence of slot antennas  & various types of horn antennas.

10.  Lens antennas :

  Dielectric lens, reflector lens antennas, polaroid.

 11.   Broadband & Freq :

       Independent antennas : Broadband antenna, Freq. Independent antenna,Log periodic antennas,  yagi-uda, corner log periodic arrays.

 12.   Antennas for special applications :

      Sleeve, turnstile, upper turnstile antenna, matching Arrangements Micro strip antennas, high gain coms, submerge antennas, antennas design consideration for satellite communication.

 13.   Antennas measurement :

       Measurement of pattern, gain, phase, polarization, impedance, current distribution.

 14.    Radio wave propagation :

        Mode of propagation, definition, hop propagation.

BOOKS  :

            1.              Antennas bu J.D.Krauss, McGraw Hill.

            2.              Electromagnetic wave & radiating systems by Jordan & Balmain, PHI

            3.              Antennas & wave propagation by K.D.Prasad.

EC-602    AUDIO  &   VIDEO  SYSTEMS 

1. Microphone & Loudspeakers:  

Construction,  working principle, characteristics, and application  of   different types of  microphones,  & Loudspeakers.

2. Architectural  acoustics: 

Sabine and Eyrings formula for time of reverberation  measurement methods, sound insulation, design consideration of enclosed space articulation  test.

3. Magnetic recording :   

Basic magnetic  theory,  characterisics  of different types of  magnetic tape.  Magnetic  recording methods, d.c. and  bias amd a.c. bias, basic construction of recording/ replay head and erasure head, record/play  process,  cassette tape recorder,  multi channel  recording, streophonic sound recording.

4. Essentials of B & W  and color T.V. :

scanning,  synchronization  and blanking, composite video signal, CCIR- B standards,  bandwidth requirements, modulation, VSB  techniques, channel standards, sound transmission, compatibility,  tricolor theory,  luminance, hue, saturation, generation of color and color difference signals.  

5.  Video Camera :

Camera tubes, types, characteristics of vidicon,  plumbicon and CCD tubes, gamma correction, color TV  camera tubes. 

6. TV transmission :  

Principles of B & W and color TV transmission, choice of  color subcarrier,  freq. Interleaving, color burst signal,  important features of  NTSC,  PAL  and SECAM  systems, block diagram of TV studio, studio equipment.    

7. video recording :  

principle, transverse and slanting tracks,  FM,  VHS, and Betamax  formats, servo system,  video cassette  recorder.

BOOKS :

(1) Audio & video system by  R. G. Gupta

(2) Modern Television  Practice  by  R. R. Gulati 

(3) Fundamentals of Acoustic : Kinsler Fray  ( Mc Graw Hill )

(4) Acoustic vol-  1 :  R. L. Suri

(5) Audio  cyclopedia : Howard M. Tremaine

(6) Sound recording :  Wolf &  Rayne

(7) Monochrome and color television :  R.R. Gulati ( willey  Eastern )

(8) Television engineering : Dhake ( TMH )

(9) Color television principle and practice : R.R. Gulati  ( Willey  Eastern )

(10) Servicing of taperecorders :  Vijay

Practical and Termwork  will be based upon  the above syllabus

EC-603     DIGITAL COMMUNICATIONS                     

Review of Digital  Modulation  Technique :

1.       Data Transmission:          

Abaseband  signal  receiver,  Probability  of error. The optimum filters,

white  noise the matched filters, Probability of error of match filter, coherent  reception  correlation   , PSK, FSK, Noncoherent detection  of FSK, Differential  PSK,  QPSK.

2.       Noise in pulse code and Delta Modulation  system :  

 PCM transmission, calculation of Quantization  noice,The out put signal power, the effect of thermal noise,  out put  S/N calculations in PCM, Delta Modulation,  Quantization noise in delta modulation ,The output signal power, delta modulation output,  Signal  to Quantization  Noise ratio, delta pulse code modulation,  The effect of thermal noise in delta modulation, out put signal to noise ratio in delta  modulation.

3.       Information Theory  and coding : 

 Discrete messages, The concept of amount of information Average information Entropy, information rate, coding to increase average information per rate,    Shannon’s  theorem  channel capacity, capacity of  a Gaussion channel, BW, S/N trade  off,  Use of  orthogonal  signals  to  attain  Shannon’s  limit, Efficiency of orthogonal signals transmission, coding introduction, parity check bit  coding of error detection, coding of error detection & co relation, Block codes,  Upper bond of  probability of error with coding,  Block codes  coding & de coding ,Burst error co relation, convolution coding, Examples of  Algebraic  codes, ,  ARQ  systems.

4.       Telephone switching : 

Elemental  phone  system,  central switching, A simple  Human Exchange,  The strowger,  Automatic  Dialing system,  Traffic  loads and service grade,  Hierarchy of switching offices,  The crossbar  switch,  common control,  switching Matrices,  Multiple  stage switching,   

Two  * Four  wire connections, Time  Division  Multiplexing , Analog Time  Division  switching,  TSI,  combined space  & time  switching., comparison of  TSI with space switching, space array for digital signals, combined space & time switching, mobile telephone communication-  The cellular concept.

5.        ISDN   :  

Introduction, History, services,  subscriber access to  ISDN (  BDH channel etc.), ISDN layers,  Broad band  ( ISDN futures. 

TEXT  :

Principal  of communication  systems – Taub  schilling ( second Edition )

Mcgaw -  Hill   International 

REF :    (1)   Digital  &   Analog  com.  System  By  B.P.  Lathi

             (2)   Digital  communication  By  pruakis

             (3)    Data communication  & Networking by  Behrouz A forouzan TMH.

Practical  and Termwork  will  be  based upon the above syllabus

EC-    604       INDUSTRIAL   ELECTRONICS       

 1.                High freq. Heating :

           Principle and theory of  induction heating, effect of freq., applications, and merits of induction heating, principle and theory of dielectric heating ,electrodes used and methods of coupling of electrodes to the  R.F.generator, thermal losses in dielectric heating and applications.

 2.                 Polyphase rectifiers :

          Analysis and performance of three phase half wave and full wave rectifiers,m phase rectifiers-circuit relations using diodes and controlled rectifiers.

 3.                  Resistance welding :

             Resistance welding process, basic circuits for AC resistance welding, types of  welding,  electronic welding controls, calculation on percentage duty, energy storage welding.

 4.                 Ultrasonics :

           generation of ultrasonic waves, ultrasonic as means of  communications, testing of   materials, cutting machinery, soldering and welding by ultrasonic wves.

 5.                 Introduction to thyristor :

            SCR construction, charcterstics, two transistor analogy, turn on and turn off methods,   phase control of SCR using UJT, phase  control by pedestal ramp, rating, protection ckt . Diac and Triac construction and characteristics, phase control  of triac using diac.

 6.                   Magnetic amplifier :

            saturable reactors, self saturation by reactifiers, need for bias and feedback windings,   feedback magnatic amplifier, pushpull magnetic amplifier.

 7.                   Automation & Robotics :

           parts of a robotic systeams,  classification of robotic  systeams, robot configuration,  degree of freedom, sensors, programmable controllers, programming sequence in a typical non servo control robot sensory system,control systeams for industrial robotics.

8.         Transducers : 

            Basic principle  and construction  of different types of  electrical , optical and   

            mechanical transducers.

Books :

1. Industrial and power Electronics by  Harish C. Rai.                  

2. Industrial Electronics by G.K. Mithal, Khanna  publications.

3.Engg. Electronics by  Ryder,  Mcgraw Hill  publication.

4. Power Electronics and control   by  Datta,  PHI publications.

5.Electronics Instrumentation by Kalsi  (TMH)

6.Electronics in industry  by Chute & Chute, Mcgraw Hill  publications.

7. Principle  of  Industrial  Instrumentation  by  D. Patranbis.

8. Power Electronics by   M.H. Rashid.

EC-605    ANALOG FILTER  DESIGN       

1.   INTRODUCTION :   

      Magnitude & Frequency scaling,  kinds of  filters.

      2.     THE BIQUAD  CKT :

Design, parameter  Q  & Wo.  The biquad circuit  frequency,  four opamp  biquad circuit, frequency and magnitude response of  the  biquad  circuit.

      3.      BUTTERWORTH LOW-PASS  FILTERS :

The ideal  low   pass  filter  butterworth  response,   Butterworth  pole locations, Low  pass  filter specification  sallen  & key  circuit.  RC-CR  transformation.

4.    BUTTERWORTH  BAND PASS FILTERS :           

   A frequency transformation,  Geffe  algorithm.  Deliyannl’s -  Friend  circuit, design  of bandpass  Filter.

5.    CHEBYSHEV  FILTERS :             

  Chebyshev  magnitude  response, poles  location and design, comparison  between Butterwoth And  chebyshev  filters.

6.    BAND  ELIMINATION  FILTERS :           

       Frequency  transformation, pole-zero  locations  and filter  design.

7.    ELEMENTS OF SWITCHED CAPACITOR FILTERS :

EC-606    HARDWARE FUNDAMENTALS     

1.       PERSONAL COMPUTER

Evolution PC to Pentium IV, Note book, specification, PC system, I/O ports

2.       INSIDE PC

Mother board, Basic input/output system, Bus standard , Switch mode power supply

3.       ON BOARD MEMORY

PC memory organization, Memory packages, Type of memory, cache ram.

4.       FLOPPY DISK DRIVE AND CONTROLLERS

Type and capacity , Floppy drive subassembly, Floppy disk controllers, Interfacing of FDC.

5.       HARD DISK DRIVE AND CONTROLLERS

Hard disk drive and subassembly, Hard disk controller, Types of interface, Low level and high level formatting. Partitioning.

6.       MULTIMEDIA EXTANTION

Type of CD- ROM disk, CD-ROM drive, Sound blaster, AGP,TV tuner card, Video camera , Head phone, Video capturing.

7.       INPUT DEVICES

Keyboard, Mouse, Scanner, Digitizer, Joystick.

8.       OUTPUT DEVICES

Dot matrix printer, printer subassembly, Ink jet printer, laser printer, Plotter, Printer controller, printer cartridge , toner.

9.       MONITOR AND DISPLAY CONTROLLER

Video basic, Type of monitors, Display controllers EGA,CGA and VGA.

10.     OTHER COMPUTER PERIPHERALS.

External and internal FAX/modem, DVD drive, CD Writer, Zip drive, Dat drive , Local area network devices.

11.    COMPUTER INSTALLATION AND TROUBLE SHOOTING.

Room preparation, Power supply requirement, POST, Troubleshooting of mother board, key board, floppy disk /hard disk drive, printer and other daughter board.

 BOOKS:-

1. COMPUTER INSTALLATION AND SERVICEING

-  B BALASUBRAMANIAN   (TMH PUBLICATION)

2. IBM PC AND CLONES HARDWARE TROUBLRSHOOTING AND MAINTENANCE

-  B GOVINRAJALU   (TMH PUBLICATION)

* Term work/Practical shall be based on above syllabus.