Dnyaneshwar Vidyapeeth (Trust)

Assignment 3

 

ASSIGNMENT  TELECOMMUNICATION ENGINEERING

SUB –CODE- (ETC-D570T)            COURSE:  TECH QUIC DIPLOMA          SESSION - SUMMER

                                                        BRANCH – E&TC

 

Q. 1 )   Solve.

 

  1. Define Brightness
  1. Define Luminance
  2. Define Aspect ratio
  3. Define Pixel.
  4. Define Persistence of vision
  5. Define Scanning.
  6. Define Vertical Resolution
  7. Define Horizontal Resolution
  8. Define Kell factor.
  9. The density of light emitted from a TV screen is called____________
    1. Illuminance
    2. Luminance
    3. Luminosity

11.         Lux is a unit of_____________

a)    Luminous flux

b)    Illuminance

c)     Luminous intensity    

12.  The primary colours are _____________

a)    Red, green & blue. 

b)    Red, yellow, & blue.

c)     Magenta, cyan & yellow

13.  Sound is a ________wave motion.

a)    Longitudinal

b)    Transverse

c)     Electromagnetic

 

Q. 2) Solve.

 

1.  Define Blanking Pulses.

  1. Describe Additive and Subtractive mixing.
  2. What is Persistence of the vision?
  3. Write value of the following standards for monochrome TV:
        1. Field frequency
        2. Aspect ratio
        3. Line frequency
        4. Channel bandwidth

 

 

 

  1.  Write a note on Ghost Images
  2.  Give the CCIR-B characteristics, which is adopted in India.
  3.  State the advantages of VSB transmission.
  4.  Name the modulation used for audio & video signal. Why?
  5.  Explain the necessity of sync pulses.

 

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