We measure the performance of a telephone line (4 KHz of
bandwidth). When the signal is 20 V, the noise is 6 mV.
What is the maximum data rate supported by this telephone
line?

Answers were Sorted based on User's Feedback



We measure the performance of a telephone line (4 KHz of bandwidth). When the signal is 20 V, the ..

Answer / zeeshan ali hirani

Capacity=B*log2(1+SNR)=
4000 * (log(1 + (20 / 0.006)) / log(2)) = 46 812.7305 bps

Is This Answer Correct ?    76 Yes 17 No

We measure the performance of a telephone line (4 KHz of bandwidth). When the signal is 20 V, the ..

Answer / shikamaru

Ans 4,000 log2 (1 + 10 / 0.005) = 43,866 bps

Is This Answer Correct ?    22 Yes 7 No

We measure the performance of a telephone line (4 KHz of bandwidth). When the signal is 20 V, the ..

Answer / vikas chauhan

snr = sig power/noise power
snr = 20Vsq / 6mVsq
and use the formula

Is This Answer Correct ?    4 Yes 0 No

Post New Answer

More Protocols AllOther Interview Questions

When a customer starts abusing u how will u deal with him? n what do u do?

2 Answers   TATA, Wipro,


How do I log into an ftp server?

0 Answers  


How do you configure a Cisco switch or router? What are the steps needed?

7 Answers   Cisco, Herzing University,


hi i have small confusion while configuring ppp at that time routing protocal is need ro not

2 Answers   Wipro,


where do we use the wild card masking in the routing protocols?

2 Answers   SAIC,






How would detect whether all the layers are working properly

2 Answers   TCS,


hey friends….  i m working in Avaya India Pvt. Ltd.(on third party payroll) as customer support engineer since last 1 year. Now i m thinking to do Protocol development course (LTE,MAC,RLC,RRC,3G etc). but i m a bit confuse that it will help me or not. whether i can get a good job or not. so please help me out by your suggestions...

1 Answers  


How do I create an ftp?

0 Answers  


WHAT IS PEER TO PEER NETWORK

5 Answers   Accenture,


What is meaning of topology?

3 Answers  


Suppose in DHCP server running network(assigning ip addresses automatically), you connect a Laptop in the same n/w, now how the DHCP is going to assign a IP add. to it and how it will came to know that there's one new machine added.

13 Answers   Cisco, CybAge, Mphasis, Targus Technologies, Zensoft,


what is ping of death ?

3 Answers  


Categories