Frequency modulation

  • Thread starter ay2k
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  • #1
ay2k
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A sinusodial carrier wave has amplitude 12 volts and frequency 600 kHz.
The frequency of the carrier wave changes by 25 kHz per volt.
The carrier wave is to be used for the transmission of a signal of frequency 3 kHz and amplitude 2 volts.

For the frequency modulated carrier wave, state

1) the amplitude
2) the maximum frequency
3) the minimum frequency
4) the number of times per second that the frequency of the carrier wave changes from the maximum to minimum and then back to maximum value.

___________________________________________________________________________


f=1/T



1) 12volts i believe since carrier wave doesn't change amplitude in frequency modulation
2) I believe it should occur when the information signal has maximum displacement b/c disp of the signal is varying in synchrony with frequency. But i don't know how to fine it

3)Maybe at minimum disp of signal.
4)No idea at all.
___________________________________________________________________________

PLEASE INCLUDE EXPLANATORY NOTES WITH ANSWERS.

Homework Statement





Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
ay2k
29
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excuse me...anything wrong?
 

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