Q Explain, why high frequency carrier waves are needed for effective transmission of Signals Q A - Physics - Communication Systems

Question

Q Explain, why high frequency carrier waves are needed for
effective transmission of Signals
Q A message signal of 12 kHz and peak voltage 20 V is used to
modulate a carrier wave of frequency 2 MHz and peak voltage 30 V
Calculate the (i) modulation index and (ii) side-band frequencies,

Anshu Agrawal · Accepted Answer

Dear student,

<img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5a652fde53dff%20jpg"
style="width: 724px; height: 1023px;">
Regards

Q. Explain, why high frequency carrier waves are needed for effective transmission of Signals. Q. A message signal of 12 kHz and peak voltage 20 V is used to modulate a carrier wave of frequency 2 MHz and peak voltage 30 V. Calculate the (i) modulation index and (ii) side-band frequencies,

Q. Explain, why high frequency carrier waves are needed for effective transmission of Signals.
Q. A message signal of 12 kHz and peak voltage 20 V is used to modulate a carrier wave of frequency 2 MHz and peak voltage 30 V. Calculate the (i) modulation index and (ii) side-band frequencies,