Answer:
The level of the signal is 353.85
Explanation:
Data rate determines the speed of the data transmission.
The data rate depends on the following factors
The data is transmitted either from a noiseless channel or a noisy channel.
The given quality of the channel in the question is noiseless.
Use the following formula to calculate the signal levels
Bit rate = 2 x bandwidth x [tex]Log_{2}[/tex] ( signal level )
where
Transmitted Data = 254 kbps = 254,000 bps
Bandwidth = 15 khz = 15,000 hz
Placing values in the formula
254,000 = 2 x 15,000 x [tex]Log_{2}[/tex] ( L )
254,000 = 30,000 x [tex]Log_{2}[/tex] ( L )
254,000 / 30,000 = [tex]Log_{2}[/tex] ( L )
8.467 = [tex]Log_{2}[/tex] ( L )
L = [tex]2^{8.467}[/tex]
L = 353.85 levels
