# Computational Laboratory Work Report

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Coursework Title: ComputationalLaboratory work reportModule InformationModule Title: Computer ProgrammingModule Code: KD4008Module Tutor: Dr Gary WellsAcademic Year: 2016-17Dates and Mechanisms for Assessment Submission and FeedbackDate of hand out to students: WC 7-11-2016Mechanism to be used to disseminate to students: via e-learning portalDate and Time of Submission by Student: 23/1/2017Mechanism for Submission of Work by Student: Faculty OfficeDate by which Work, Feedback and Marks will be returned to Students: 3-4-2017Mechanism(s) for return of assignment work, feedback and marks to students: via emailAssignment BriefObjective: To develop a C Program to calculate components of matching attenuators.Introduction: You are to develop a C program to help design resistive attenuation and matching padsfor a telephone line. Generally, telephone lines and electronic equipment need to be matched to theirsource and loads to avoid reflection of the signals. Attenuators are used to reduce the level of largesignals that need to be fed to a more sensitive circuit. Theory:The two types of attenuator are Tee and Pi. Both are used extensively.There are two types of each, balanced and unbalanced. Unbalanced type use a common earthedreturn, while Balanced type do not.The Tee arrangement can be used in its unbalanced form, or its balanced form (sometimes known asa balanced H network).Figure 1 illustrates the arrangement for the Tee Network.
Figure 1: Tee Networks with equations.Figure 2 shows the arrangement for the Pi Network.Figure 2: Pi Network with equations.And Figure 3 shows the arrangement for the Minimum loss Network.

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