Telecom Engineering Quiz

Discone  antenna  is   a combination of  disc  and  cone ;-

VSB is generally used  in  television production;-

A  discone  antenna  is  a  version of  a  biconical  antenna  :-

Mostly used   radio  receivers  are ;-

A perfect semi conductor crystal containing no impurities is called as:-

The time switching system is categorized into __________ types:-

What is  disadvantage  of  FM  over AM;-

QC lasers _________________ the performance characteristics;-

One graded index fibers are made with the help of vapor phase deposition technique:-

Helical  antenna   is used to obtain ________ polarization:-

What is the standard form of SP;-

In a  receiver  ,  noise  is  usually  developed  at :-

________is caused by surface tension effect between two fiber ends during fusing:-

Which  processor  has  a  5 stages pipeline ;-

Transmitter   in the  communication system  are used to produce  radio wave  to transmit  data ;

Linearizing circuit technique are  used for LEDs:-

For  low level  amplitude   modulation,   amplifier  must be :-

____________  are the basic functional elements of stored program control switching systems:-

A  noise  can be   represented   as superposition  of  spectral  components :-

Continuous  impulse  signal  is  a  power  or  energy  signal :-

The majority of the GRIN rod lenses have diameter in the range of;-

The output stage  in a  TV  transmitter  is likely to be ;-

What is the standard form of DSSS;-

Random  process  is  a function  of :-

__________ fibers include addition of load fluoride to the core glass in order to raise the relative refractive index:-