Podcast
Questions and Answers
What is the main benefit of using conformal transformation techniques in analyzing strip lines?
What is the main benefit of using conformal transformation techniques in analyzing strip lines?
- Facilitates the calculation of losses in strip lines
- Enables the study of fringing fields at the edges of the center strip
- Allows for accurate analysis of characteristics impedance with zero strip thickness (correct)
- Simplifies the calculations for higher-order modes
In symmetric strip lines with zero strip thickness, how are the fringing field lines distributed?
In symmetric strip lines with zero strip thickness, how are the fringing field lines distributed?
- Concentrated near the dielectric substrate
- Perpendicular to the center conductor
- Extended up to a certain distance from the edges of the center strip (correct)
- Distributed evenly along the width of the center conductor
How do higher-order modes typically manifest in strip lines?
How do higher-order modes typically manifest in strip lines?
- By having lower characteristic impedance values
- As additional solutions beyond the dominant mode (correct)
- Through greater losses due to increased conduction resistance
- By having equal electric field distribution as the fundamental mode
What is an advantage of using numerical techniques over conformal transformation techniques in analyzing strip lines?
What is an advantage of using numerical techniques over conformal transformation techniques in analyzing strip lines?
What effect does increasing losses in strip lines have on the propagation characteristics?
What effect does increasing losses in strip lines have on the propagation characteristics?
How is excitation typically achieved in strip lines?
How is excitation typically achieved in strip lines?
What are the two types of losses that occur in a microstrip line?
What are the two types of losses that occur in a microstrip line?
Which type of loss accounts for the finite nonzero conductivity in the strip conductor and ground plane?
Which type of loss accounts for the finite nonzero conductivity in the strip conductor and ground plane?
In microstrip lines, where is the current usually minimum and maximum assuming a uniform distribution?
In microstrip lines, where is the current usually minimum and maximum assuming a uniform distribution?
What does a quarter-wave transformer do in microstrip line applications?
What does a quarter-wave transformer do in microstrip line applications?
To minimize energy reflection in microstrip line connections to loads, which technique is commonly used?
To minimize energy reflection in microstrip line connections to loads, which technique is commonly used?
What must be true about the substrate thickness in relation to the free space wavelength to avoid radiation losses?
What must be true about the substrate thickness in relation to the free space wavelength to avoid radiation losses?
What is the main advantage of using numerical techniques, such as the method of moments, to obtain the impedance of a stripline?
What is the main advantage of using numerical techniques, such as the method of moments, to obtain the impedance of a stripline?
For a symmetric stripline with a wide center strip ($w/b >> 0.35$), what is the expression for the characteristic impedance $Z_0$?
For a symmetric stripline with a wide center strip ($w/b >> 0.35$), what is the expression for the characteristic impedance $Z_0$?
What is the upper frequency limit set by the presence of the nearest higher-order TE10 and TM11 modes in a stripline?
What is the upper frequency limit set by the presence of the nearest higher-order TE10 and TM11 modes in a stripline?
What is the primary source of attenuation in a low-loss dielectric stripline?
What is the primary source of attenuation in a low-loss dielectric stripline?
How are striplines typically excited?
How are striplines typically excited?
