Full Syllabus & Reference Books

"L" Scheme Sub Code: 24042

UNIT TOPIC
I Networks, Antenna and Propagation
II Amplitude Modulation
III Angle and Pulse Modulation
IV Audio Systems
V Video system

Unit 1:

Networks (qualitative treatment only): Symmetrical and asymmetrical networks - characteristic impedance and propagation constant.

Equaliser: types, applications: constant resistance equalizer.

Attenuator: types - symmetrical T and Pi attenuators –application and simple problems Filters: types and definitions – circuit elements and cutoff frequencies of LPF, HPF and BPF (only simple problems).

Antennas Basic antenna principle, polarization, directive gain, directivity, radiation pattern, folded dipole, parasitic array, broad-side and end-fire array, Yagi antenna, parabolic antenna.

Propagation (short theory only) Ground wave propagation, sky wave, space wave propagation, ionospheric layers

Unit 2:

Modulation: Frequency spectrum. Relationship between wavelength and frequency, Need for modulation, types of modulation.

Amplitude modulation: Expression, AM spectrum and sidebands, types of AM balanced modulator. SSB generation – phase shift and filter methods, advantages and disadvantages of SSB. AM VSB system. Diode detector.

AM Transmitter: Types of transmitters - high level AM transmitter and low level AM transmitter. SSB transmitter.

AM Receiver: TRF receiver, super heterodyne radio receiver- Selection of IF- Image frequency - AGC types, SSB receiver

Unit 3:

Frequency modulation: Expression - waveforms - frequency spectrum, effects of noise in FM, comparison of AM and FM, varactor diode modulator. FM detectors – slope detector, phase discriminator, ratio detector (qualitative treatment only) FM Transmitter & Receiver Direct and Indirect methodsstereophonic

FM transmitter. FM receiver: Block diagram – AFCstereophonic FM receiver.

Phase modulation Principles, phase modulator circuit, comparison between FM and PM Pulse modulation Types, sampling theorem. Generation and detection of PAM, PWM, PPM. PCM, DPCM, Delta modulation–
quantizing noise-companding

Unit 4:

Microphones: (Qualitative treatment only) Construction and performance of the following microphones: carbon, condenser, piezo-electric, moving coil and velocity ribbon.

Loud speakers: Constructional details of dynamic cone type, Horn type and electro-static loud speakers, woofer, midrange and tweeter, cross-over network. Surround-sound systems

Audio recording and reproduction: Compact disc system- MP3 system - DVD system - stereophonic system - Hi-Fi system principles- Dolby -DTS

Unit 5:

Monochrome Television: Scanning principles - synchronization - aspect ratio- composite video signal- TV broadcasting standards. TV transmitter- TV receiver.

Color TV : Principles of color transmission and reception- color CCD camera. PAL color TV receiver (IC details not required) LCD, LED display unit – plasma display - Principles of Handy cam,
CCTV and cable TV.

Reference books

  1. Networks lines and fields – John D.Ryder, PHI
  2. Electronic communication Systems – Kennedy – TMH
  3. Electronic Communication – Dennis Roddy and John colen – PHI
  4. Fundamentals of Acoustics – Kingsler & frey – Wiley Eastern ltd.
  5. 5. TV and Video engineering – Arvind M.Dhake – TMH.
  6. 6. Communication Electronics – Principles and application – Louis E Frenzel, Third
  7. Edition, Tata McGrawhill publication
  8. 7. Audio and Video system – Principles, maintenance and Troubleshooting by R.Gupta
  9. Second Edition McGrawHill Education (P) Ltd.

"K" Scheme Sub Code: 14043

UNIT TOPIC
I Networks, Antenna and Propagation
II Amplitude Modulation
III Angle and Pulse Modulation
IV Audio Systems
V Telegraphy and TV

Unit 1:
 
Networks:
Symmetrical and asymmetrical networks. characteristic impedance  and propagation constant Derivation of characteristic impedance  for T and Pi networks using Zoc and Zsc, image and iterative impedances - Derivation of  Zi1 and Z i2 for asymmetrical T and L networks using Zoc and Zsc, Derivation of  iterative impedances    for asymmetrical  T network.  Equaliser:  types, applications: constant resistance equalizer. ( No derivations)

Attenuator:
Types,-derivations for elements of symmetrical T and Pi networks - application.

Filters:
types and definitions – derivations for circuit elements and cutoff frequencies of  LPF, and HPF only. 

Transmission lines:
(No equations and derivations):  Transmission line equivalent circuit, primary and secondary  constants, travelling and standing waves, SWR, Wave guides:  types, advantages. 

Antennas:
Basic antenna principle, directive gain, directivity, radiation pattern, broad-side and end -fire array, Yagi antenna, Parabolic antenna.

Propagation: (short theory only) Ground wave propagation, space waves, ionospheric propagation.

Unit 2:

Modulation :Electromagnetic Frequency spectrum. Need for modulation, types of modulation.

Amplitude modulation:
expression, AM spectrum and side bands, types of AM - balanced modulator.  SSB generation – phase shift and filter methods, advantages and disadvantages of   SSB. AM VSB system. Diode detector.

AM Transmitter:
Types of transmitters, Block diagram - high level AM transmitter and low level AM transmitter.  SSB transmitter, ICW and MCW principles. 

AM Receiver:
TRF receiver, superheterodyne radio receiver- explanations of individual  stages –  AGC  types, SSB receiver.

Unit 3:

Frequency modulation:
Expression, wave forms, frequency spectrum, effects of noise in FM,  comparison of AM and FM, varactor diode modulator. FM detectors – slope detector, phase discriminator, ratio detector (no Derivation).

FM Transmitters:
Direct and Indirect methods- stereophonic FM transmitter.

FM receiver:
Block diagram – AFC-stereophonic FM receiver.
 
Phase modulation :
Principles, phase modulator circuit, comparison between FM and PM

Pulse modulation:
Types, sampling theorem. Generation and detection of PAM, PWM and PPM.PCM – transmitter, receiver; quantizing noise - companding.

Unit 4:
 
Microphones:(Qualitative treatment only)
Construction and performance of the following microphones:  carbon, condenser,  piezo-electric, moving coil and velocity ribbon.

Loud speakers:
Constructional details of :dynamic cone type, Horn type and electro-static loud speakers, woofer, midrange and tweeter ;cross-over network. surround-sound systems

Audio recording and reproduction:
Magnetic system- Compact disc system- MP3 system - DVD system- stereophonic system - Hi-Fi system principles- Dolby –DTS.      

Unit 5:
 
Telegraphy:
Basic principle – Morse code (concept only) – Telegraph transmitter  telegraph receiver – merits and demerits of telegraph systems Radio Telephone transmitter.
 
Television :
Scanning principles- aspect ratio- composite video signal- TV standards. TV transmitter-  TV receiver.   Principles of colour transmission and reception- color CCD camera.  PAL colour TV receiver (IC details not  required) Digital Colour TV receiver LCD display unit – plasma display

CCTV:
principle of Handy cam  LCD projector Principles of CCTV and cable TV.


Reference books:

 

  1. Networks lines and fields – John D.Ryder, PHI
  2. Electronic communication Systems – Kennedy – TMH
  3. Electronic Communication – Dennis Roddy and John colen – PHI
  4. Radio Engineering – Terman – MGH
  5. Fundamentals of Acoustics – Kingsler  & frey – Wiley Eastern ltd.
  6. Transmission lines & Networks – Umesh sinha – Sathya prakashan publications.
  7. Radio engineering – G.K.Mithal – Khanna publishers.
  8. TV and Video engineering – Arvind M.Dhake – TMH.

 

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