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Chapter 3 Homework
1. If we assume that one character requires 8 bits, the bit rate is?
    
2. Determine the attenuation of the signal
 



 



 

  
3. The loss of 6Db (-6dB) is equivalent to losing a quarter the power.
4. What is the power of the signal at point 3 with resect to the power of the signal at oint 1
 



 



 

 
5. Calculation of the SNR in Db of a signal with 100Mw of the power and white noise with power
1Mw
a) 

 

  

 

b) 

 

  


6.     
     
a)  





b)




7.     

 
 
  

8.    

   


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1. 2. 3. 4. 5. a) b) Chapter 3 Homework If we assume that one character requires 8 bits, the bit rate is? 200 × 25 × 100 = 5,000,000𝑏𝑝𝑠 = 5,000𝑀𝑏𝑠 Determine the attenuation of the signal 𝑃2 0.25𝑃1 10 log10 = 10 log10 = 10 log10 0.25 = 10(−0.6) = −6𝑑𝐵 𝑃1 𝑃1 The loss of 6Db (-6dB) is equivalent to losing a quarter the power. What is the power of the signal at point 3 with resect to the power of the signal at oint 1 𝑃3 6𝑃1 10 log10 = 10 log10 = 10 log10 6 = 10(0.78) = 7.8𝑑𝐵 𝑃1 𝑃1 Calculation of the SNR in Db of a signal with 100Mw of ...
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Anonymous
This is great! Exactly what I wanted.

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