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Q4. a) Figure 3 shows the cross-sections of microstrip line and coplanar waveguide, which are common transmission lines used for high frequency circuits. SWS dielectric Figure 3(a) - Microstrip dielectric Figure 3(b) - Coplanar Waveguide (i) Sketch the electric and magnetic field distributions on the cross-sections of each of these lines when carrying a signal, indicating clearly the field directions relative to the power flux. (ii) If each line is found to have a characteristic impedance Zo = 3002 rather than the desired value of 5002, describe qualitatively the adjustments that could be made to each line to achieve 500 (hint: consider first how the line capacitance of each line can be varied).

Q4. a) Figure 3 shows the cross-sections of microstrip line and coplanar waveguide, which are common transmission lines used for high frequency circuits. SWS dielectric Figure 3(a) - Microstrip dielectric Figure 3(b) - Coplanar Waveguide (i) Sketch the electric and magnetic field distributions on the cross-sections of each of these lines when carrying a signal, indicating clearly the field directions relative to the power flux. (ii) If each line is found to have a characteristic impedance Zo = 3002 rather than the desired value of 5002, describe qualitatively the adjustments that could be made to each line to achieve 500 (hint: consider first how the line capacitance of each line can be varied).

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Q4. a) Figure 3 shows the cross-sections of microstrip line and coplanar waveguide, which are common transmission lines used for high frequency circuits. SWS dielectric Figure 3(a) - Microstrip dielectric Figure 3(b) - Coplanar Waveguide (i) Sketch the electric and magnetic field distributions on the cross-sections of each of these lines when carrying a signal, indicating clearly the field directions relative to the power flux. (ii) If each line is found to have a characteristic impedance Zo = 3002 rather than the desired value of 5002, describe qualitatively the adjustments that could be made to each line to achieve 500 (hint: consider first how the line capacitance of each line can be varied).
Transcribed Image Text:Q4. a) Figure 3 shows the cross-sections of microstrip line and coplanar waveguide, which are common transmission lines used for high frequency circuits. SWS dielectric Figure 3(a) - Microstrip dielectric Figure 3(b) - Coplanar Waveguide (i) Sketch the electric and magnetic field distributions on the cross-sections of each of these lines when carrying a signal, indicating clearly the field directions relative to the power flux. (ii) If each line is found to have a characteristic impedance Zo = 3002 rather than the desired value of 5002, describe qualitatively the adjustments that could be made to each line to achieve 500 (hint: consider first how the line capacitance of each line can be varied).
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