# cs601 assignment 2 solution fall 2019

 Assignment No. 02 Semester: Fall 2019CS601: Data Communication Total Marks: 20   Due Date: 28 Nov 2019 Instructions: Please read the following instructions carefully before submitting assignment: You need to use MS word document to prepare and submit the assignment on VU-LMS. It should be clear that your assignment will not get any credit if:   §  The assignment is submitted after due date. §  The assignment is not in the required format (doc or docx). §  The submitted assignment does not open or file is corrupt. §  Assignment is copied (partial or full) from any source (websites, forums, students, etc).       Objectives:   To enhance the learning about: 1.      Encoding Scheme 2.      Single Characteristics 3.      Transmission Impairments Assignment

Question No. 1

A below given diagram is representing the Differential Manchester encoding scheme. You are required to carefully analyze the diagram and then write the binary pattern represented by the diagram:

Hint: First bit is 0 and its voltage level is negative to positive.

 0 1 0 0 0 1 1 1 0

Question No.2

Determine the following from the diagram given below:

• Period in Milliseconds
• Frequency
• Phase Shift

 Frequency Period Phase 0.001 milli seconds 0.001 mili seconds 180 degree

Question No. 3

Suppose power P of a signal is increased 30 times after passing through an amplifier. By writing all necessary formulas and calculation steps, you are required to calculate amplification (power gain) in proper unit.

Solution:

Av=Input voltage/output voltage

AI=input current/out put current

Ap=av*ai

Amplifiers gain  given in decibels (dB)

Av=20logAv

Ai=20log Ai

Ap=10log Ap

Note calculate the values by your selfe

Best of Luck!