Chapter 3. Measuring Low Impedance
3.1 Why Do We Care About Measuring Low Impedance?
The design of a robust power distribution network is really about designing to a target impedance profile across a wide frequency range, from DC to the bandwidth of the highest frequency signals. Among different applications, this target impedance may range from higher than 1 Ω to a value in some applications to lower than 1 mΩ.
Simulation is a critical part of the analysis process for the design of each PDN element and the entire ecology. Measurement of system components and correlation back to simulation is just as important.
Measurements not only verify that a manufactured component meets the performance spec but also verify the accuracy of the simulation ...
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