Stripline's characteristic impedance

AI Thread Summary
The discussion focuses on understanding how variations in width (W), substrate thickness (b), relative permittivity (epsilon_r), and stripline thickness (t) affect the characteristic impedance (Zo) of a stripline. As W increases, Zo generally decreases, while increasing b or t tends to raise Zo. Changes in epsilon_r influence Zo, with higher values typically leading to lower impedance. The conversation emphasizes the importance of grasping transmission line concepts and relevant equations for a comprehensive understanding. Overall, the thread aims to clarify the relationship between stripline dimensions and their impact on characteristic impedance.
peripatein
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THIS IS NOT A HW/COURSEWORK QUESTION!

I am simply revising for an exam and am trying to better understand the behavior of the stripline as shown in the file attached. What would be the effect on the characteristic impedance, as W/b/epsilon_r/t increases (each separately)?
 

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peripatein said:
THIS IS NOT A HW/COURSEWORK QUESTION!

I am simply revising for an exam and am trying to better understand the behavior of the stripline as shown in the file attached. What would be the effect on the characteristic impedance, as W/b/epsilon_r/t increases (each separately)?

I may still move this to the Homework Help forum, but I'm not sure yet. Part of posting there is writing the Relevant Equations and showing your Attempt at a Solution. You have done neither so far. Please show us what you know so far about transmission line construction (including the definition of Zo), and tell us what you think about the variations in dimensions and characteristics, and their effect on Zo...
 
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