Characteristic Impedance Deep Dive

Transmission line impedance values are an often confusing aspect of PCB design. So, in this video, Tech Consultant Zach Peterson dives deep into Characteristic Impedance, Equivalent Impedance, and Input Impedance. What differentiates these three? Watch the video to find out.

0:00 Intro

0:32 What Is Characteristic Impedance?

2:20 Characteristic Impedance Formula

4:58 Characteristic Vs. Equivalent Impedance

7:14 Input Impedance

8:24 Equivalent Impedance

13:25 Terminology Is Important

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Check Out These Resources:

- Transmission Line Impedance - The Six Important Values: https://resources.altium.com/p/transmission-line-impedance-six-important-values

- Modeling Copper Foil Roughness in Altium Designer's Impedance Profiler: https://resources.altium.com/p/modeling-copper-foil-roughness-altium-designers-impedance-profiler-0

- PCB Impedance Calculator and Stackup Design in Altium Designer: https://resources.altium.com/p/pcb-stackup-impedance-calculator

- Transmission Lines and Terminations in High-Speed Design: https://resources.altium.com/p/transmission-lines-and-terminations-in-high-speed-design

- PCB Impedance Calculator and Stackup Design in Altium Designer: https://resources.altium.com/p/pcb-stackup-impedance-calculator

- Impedance-Controlled Routing and Your PCB Design Rules: https://resources.altium.com/p/pcb-impedance-calculator

Love those resources? Check these out too:

- Impedance Calculation - Guide For Altium Designer: https://resources.altium.com/p/impedance-calculation-guide-altium-designer

- Transmission Line Impedance Calculation in Altium Designer: https://www.youtube.com/watch?v=yju9HfqfY20&ab_channel=AltiumAcademy

- Efficient PCB Routing Using Gloss and Retrace Tools: https://www.youtube.com/watch?v=CwSDHSNjnyk&ab_channel=AltiumAcademy

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