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Questions and Answers
What does a phasor represent in terms of sinusoidal functions?
What does a phasor represent in terms of sinusoidal functions?
In the function $v(t) = A ext{cos}( heta + eta)$, how can it be expressed in phasor form?
In the function $v(t) = A ext{cos}( heta + eta)$, how can it be expressed in phasor form?
What is represented by the permittivity in electromagnetic material properties?
What is represented by the permittivity in electromagnetic material properties?
Which of the following statements about Maxwell's equations in phasor form is correct?
Which of the following statements about Maxwell's equations in phasor form is correct?
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Which property measures how well a magnetic material can be magnetized?
Which property measures how well a magnetic material can be magnetized?
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What does the parameter $ heta$ represent in the equation $D= heta E$?
What does the parameter $ heta$ represent in the equation $D= heta E$?
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Which equation correctly represents the relationship between magnetic flux density and H-field intensity?
Which equation correctly represents the relationship between magnetic flux density and H-field intensity?
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What property allows a material to easily store electric energy?
What property allows a material to easily store electric energy?
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Which of the following is NOT a characteristic that distinguishes isotropic materials?
Which of the following is NOT a characteristic that distinguishes isotropic materials?
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What defines a homogeneous material?
What defines a homogeneous material?
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What relationship does the equation $J = heta E$ illustrate?
What relationship does the equation $J = heta E$ illustrate?
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What does the term $E$ typically refer to in electromagnetic equations?
What does the term $E$ typically refer to in electromagnetic equations?
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Which of the following describes a linear material?
Which of the following describes a linear material?
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What characterizes a Transverse Electric Wave (TE)?
What characterizes a Transverse Electric Wave (TE)?
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Which of the following is NOT a type of transmission line mentioned?
Which of the following is NOT a type of transmission line mentioned?
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In a Transverse Magnetic Wave (TM), which field is orthogonal to the direction of propagation?
In a Transverse Magnetic Wave (TM), which field is orthogonal to the direction of propagation?
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What is the purpose of the cutoff frequency in waveguides?
What is the purpose of the cutoff frequency in waveguides?
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Which option describes the configuration of a microstrip line?
Which option describes the configuration of a microstrip line?
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What type of wave characteristic means neither the E-field nor H-field is in the direction of propagation?
What type of wave characteristic means neither the E-field nor H-field is in the direction of propagation?
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What is a defining feature of a coplanar waveguide?
What is a defining feature of a coplanar waveguide?
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Which transmission line is typically used in microwave applications?
Which transmission line is typically used in microwave applications?
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What does a voltage standing wave ratio (VSWR) of 1 indicate?
What does a voltage standing wave ratio (VSWR) of 1 indicate?
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What does a VSWR approaching infinity signify?
What does a VSWR approaching infinity signify?
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In the context of return loss, what does a return loss of 0 dB indicate?
In the context of return loss, what does a return loss of 0 dB indicate?
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What is indicated by a reflection coefficient ($\Gamma$) of 0?
What is indicated by a reflection coefficient ($\Gamma$) of 0?
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What happens when the load impedance ($Z_L$) is equal to the characteristic impedance ($Z_0$)?
What happens when the load impedance ($Z_L$) is equal to the characteristic impedance ($Z_0$)?
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If the reflection coefficient ($\Gamma$) is 1, what does this say about the reflection at the load?
If the reflection coefficient ($\Gamma$) is 1, what does this say about the reflection at the load?
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What is the mathematical expression for calculating return loss?
What is the mathematical expression for calculating return loss?
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What does the term 'matched condition' refer to in wave theory?
What does the term 'matched condition' refer to in wave theory?
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Which of the following best describes 'standing waves'?
Which of the following best describes 'standing waves'?
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How can the voltage maximum ($V_{max}$) in a standing wave be expressed mathematically?
How can the voltage maximum ($V_{max}$) in a standing wave be expressed mathematically?
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What is the result of a matched transmission line?
What is the result of a matched transmission line?
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What does a high Return Loss (RL) indicate?
What does a high Return Loss (RL) indicate?
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Which factor can lead to signal attenuation in a transmission line?
Which factor can lead to signal attenuation in a transmission line?
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What does the term VSWR stand for?
What does the term VSWR stand for?
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Which condition describes a lossy transmission line?
Which condition describes a lossy transmission line?
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What is the relationship between Voltage Standing Wave Ratio (VSWR) and reflection coefficient (Gamma)?
What is the relationship between Voltage Standing Wave Ratio (VSWR) and reflection coefficient (Gamma)?
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What happens to VSWR as Gamma approaches 0?
What happens to VSWR as Gamma approaches 0?
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Which of the following represents a mismatch in a transmission line?
Which of the following represents a mismatch in a transmission line?
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What signifies a short termination in a transmission line?
What signifies a short termination in a transmission line?
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In terms of impedance, what does the term 'matched' specifically refer to?
In terms of impedance, what does the term 'matched' specifically refer to?
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What characterizes a plane wave in the context of electromagnetic waves?
What characterizes a plane wave in the context of electromagnetic waves?
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What is the main purpose of boundary conditions in wave equations?
What is the main purpose of boundary conditions in wave equations?
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What is the representation of the angular frequency in wave mechanics?
What is the representation of the angular frequency in wave mechanics?
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What does the Poynting vector represent in an electromagnetic field?
What does the Poynting vector represent in an electromagnetic field?
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What is true about the wave impedance in vacuum?
What is true about the wave impedance in vacuum?
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Which equation represents the relationship for electromagnetic fields in a wave?
Which equation represents the relationship for electromagnetic fields in a wave?
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What is the meaning of the term 'phase velocity' in the context of wave propagation?
What is the meaning of the term 'phase velocity' in the context of wave propagation?
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In the context of plane waves, what does the term 'wavefront' refer to?
In the context of plane waves, what does the term 'wavefront' refer to?
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How is the wavelength related to frequency and angular frequency?
How is the wavelength related to frequency and angular frequency?
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What is not a characteristic of a plane wave?
What is not a characteristic of a plane wave?
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What condition must be met for a wave equation to yield a unique solution?
What condition must be met for a wave equation to yield a unique solution?
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Which of the following parameters is not part of the wave impedance definition?
Which of the following parameters is not part of the wave impedance definition?
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The intrinsic impedance in a vacuum is approximately:
The intrinsic impedance in a vacuum is approximately:
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What does the equation $
abla^2 E + ω^2 μ ε E = 0$ represent?
What does the equation $ abla^2 E + ω^2 μ ε E = 0$ represent?
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Study Notes
Microwave Engineering & Special Topics in Passive Microwave Circuit Design
- Course offered by the Electromagnetic Measurement & Application (EMMA) Lab, Department of Electrical and Information Engineering, SeoulTech.
- Instructor: Jae-Young Chung.
Course Content
- Electromagnetic (EM) Measurements: Broadband permittivity, permeability, shielding measurements; Antenna and RF component characterization; Conducted and radiated field measurements; Field tests.
- EM Applications: Next-generation smartphone and base station antenna designs; Autonomous vehicle, military, and satellite antenna designs; High-frequency filters, power dividers, and controllers.
- Course delivery is a blended format
- In-class lectures on Mondays
- Online video lectures on Fridays
- Lecture materials (PPT slides) provided on Sundays
- Online video materials on Thursdays
- Learning materials are in eclass.
- Students can utilize the Q&A bulletin board for course-related queries. Inquiries should be sent via email ([email protected]) if it is not related to the course or lecture.
Microwave Engineering Book
- Any edition of Pozar's Microwave Engineering textbook is acceptable.
Homework
- Homework assignments are included/planned.
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