# Lab2 - SYSC 3501 Hardware Laboratory#1 Frequency Domain...

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SYSC 3501 Hardware Laboratory #1 Frequency Domain Representation of Signals Using Hardware Components Summer 2008 Dr.Osama Aboul-Magd By: Mina Riad 100703147 Ahmed Hammad 100662788 Mohammed Al-Shaghdari 100675620 7 – Post Laboratory Questions 7.1 – Sinusoidal Input Q2

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Figure 1- PSD of sinusoid with 0.2 Vp                          Figure 2- PSD of sinusoid with 0.8 Vp When the amplitude of the sinusoid is increased from 0.2 Vp to 0.8 Vp, the PSD has its magnitude increased from 40dB to 52dB which is an increase of 12 dB. This verifies what we have found in theory as the difference in decibels was equal to 12.04 dB. Q3
Figure 3- PSD of the sinusoid for a frequency of 10kHZ Figure 4- PSD of the sinusoid for a frequency of 50kHZ

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Figure 5- PSD of the sinusoid for a frequency of 2kHZ As we can see on the previous figures, a change in the frequency doesn’t affect  the magnitude of the PSD while it just affects the scale of the graph.

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## This note was uploaded on 08/10/2010 for the course SYSC 3501 taught by Professor Osama during the Spring '09 term at Carleton CA.

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Lab2 - SYSC 3501 Hardware Laboratory#1 Frequency Domain...

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