Home
Class 12
PHYSICS
Derive an equation for frequency modulat...

Derive an equation for frequency modulated wave. What is modulation index of an FM wave?

Text Solution

AI Generated Solution

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    PRADEEP|Exercise CONCEPTUAL PROBLEMS|1 Videos

  • COMMUNICATION SYSTEMS

    PRADEEP|Exercise Short A/Q (2 marks)|1 Videos

  • COMMUNICATION SYSTEMS

    PRADEEP|Exercise Short A/Q (3 marks)|8 Videos

  • ATOMS AND NUCLEI

    PRADEEP|Exercise Assertion- Reason type question 12|1 Videos

  • CURRENT ELECTRICITY

    PRADEEP|Exercise Problems for Practice (B)|2 Videos

Similar Questions

Explore conceptually related problems

What is the range of values of modulation index of an AM wave?

Production Of Amplitude Modulated Wave

Knowledge Check

  • In frequency modulated wave

    A
    frequency varies with time
    B
    both frequency and amplitude vary with time
    C
    amplitude varies with time
    D
    both frequency and amplitude are constant

  • What is the modulation index of an over modulated wave

    A
    1
    B
    zero
    C
    `lt1`
    D
    `gt1`

  • The frequency of amplitude modulated wave is equal to

    A
    Frequency of carrier wave `(f_c)`
    B
    Frequency of modulating signal `(f_m)`
    C
    `(f_c+f_m)/2`
    D
    `(f_c-f_m)/2`

    • Similar Questions

    Explore conceptually related problems

    Obtain an eqyation for amplitude modulated wave. Discuss frequency spectrum of such a wave.

    If a carrier wave c(t)=A sin omega_(c)t is amplitude modulated by a modulator signal m(t)=A sin omega_(m)t then the equation of modulated signal [C_(m)(t)] and its modulation index are respectively

    In frequency modulation, the frequency of the modulated wave varies as

    A message signal of 1 KHz and peak voltage 50 v is used to modulate a carrier wave of frequency 1200 KHz and peak voltage 80 V. What is the modulation index ?

    A carrier is simultaneously modulated by two sine waves with modulation indices of 0.4 and 0.3 . The resultant modulated index will be

    Home
    Profile