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CT4

This document outlines a class test for the EEE 309 (Communication System-I) course at Bangladesh University of Engineering and Technology. It includes two questions: one requiring mathematical expressions from a block diagram and another asking for a constellation diagram for a QPSK modulator. The test has a duration of 30 minutes plus 5 minutes for uploading, with a total of 20 marks available.

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11 views3 pages

CT4

This document outlines a class test for the EEE 309 (Communication System-I) course at Bangladesh University of Engineering and Technology. It includes two questions: one requiring mathematical expressions from a block diagram and another asking for a constellation diagram for a QPSK modulator. The test has a duration of 30 minutes plus 5 minutes for uploading, with a total of 20 marks available.

Uploaded by

onlinemedia0011
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Bangladesh University of Engineering and Technology

Dept. of Electrical and Electronic Engineering


EEE 309 (Communication System-I), Level-3, Term-1
Class Test: 4
Time Duration: 30 min+5 min Uploading Time, Total Marks: 20
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Q1: In the following block diagram, ( ) = 10 ω − 6 ω . Determine the mathematical
expressions of the signals at the points a, b, c, d and e. [10]

Q2. Draw the constellation diagram with necessary computations for the following QPSK modulator. [10]

B 1

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