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Low cost transmission line demonstrator for a novel intermediate level communication engineering laboratory
Torres Torres, Francisco; Corbella Sanahuja, Ignasi; Cardama Aznar, Ángel; Romeu Robert, Jordi; Galindez, Oscar
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. RSLAB - Grup de Recerca en Teledetecció
This paper is devoted to the description of a transmission line laboratory demonstrator for intermediate level communication engineering students, within a course on radiation and guided waves. Student activities have been organized according to the needs of intermediate level students and the objectives of an introductory laboratory, which are substantially different from those of specialized laboratory activities aimed at higher level students and placed just before graduation. Since a large number of students attend these laboratory sessions before they choose their specialty, low cost is an unavoidable requirement to be considered. For this reason, the measurement set-up makes use of standard instrumentation, usually available in a basic electronic laboratory, which allows multiplication of work places at a reasonable cost. Both time domain reflectometry and sinusoidal steady state measurements are presented to characterize the main parameters of a coaxial line. However, discussions are mainly focused on sinusoidal measurements, which are scarce in the literature and exclusively devoted to slotted line measurements. The experimental work undertaken by the students gives them insight into main transmission line parameter and features: line impedance, propagation speed, its behavior as an impedance transformer, the complex nature of the measured magnitudes and the standing wave behavior of voltage and attenuation.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Radiocomunicació i exploració electromagnètica::Teledetecció
Training
Education
Telecommunication
Electric lines
educational courses
student experiments
Telecommunication engineering education
transmission line theory
coaxial line parameters characterisation
communication engineering students
guided waves course
impedance transformer
intermediate level communication engineering laboratory
line impedance
measured magnitudes
measurement set-up
propagation speed
radiation course
sinusoidal steady state measurements
standard instrumentation
standing wave behavior
time domain reflectometry
transmission line demonstrator
Educació
Telecomunicació
Línies de transmissió
Article
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
         

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