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Problem 1. A signal starts at x point. As it travels to y point it loses eight db. At point y the signal is boosted by ten db. As the signal travels to point z it loses 7 db. What is the db strength of the signal at point z?

Problem 2. What is the decibel loss of a signal that starts at point A with a strength of 2000 watts and ends at point B with a strength of 400 watts?

Problem 3. If a telephone line can carry a signal with a baud rate of 6000 and we want to transmit data at 33600 bps, how many different signal levels will be necessary? Is this how 33600 bps modem operates?

 

Computer Engineering, Engineering

  • Category:- Computer Engineering
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