a.) Frequency limit for lower and upper side band

b.) Bandwidth of AM

c.) Total power of the modulated wave if the load resistance Rl = 10 ohms

d.) Draw the power spectrum.

e.) Calculate the total transmitted current.

Mumbai University > Electronics > Sem 4 > Priniciples of Communication Engineering

Given :

$f_c$ = 100KHz

$f_{m(max)}$ = 5KHz

a) Frequency limits for upper and lower sideband

$\rightarrow f_{upper} = f_c + f_{m(max)}$ = 105 kHz

$\rightarrow f_{lower }= f_c - f_{m(max)}$ = 95 kHz

b) Bandwidth of AM

$\rightarrow$ Bandwidth = $f_{upper} - f_{lower}$ = 105kHz - 95 kHz …