A Method of Extracting Transmission Characteristics of Interconnects from Near-Field Emissions in PCBs

This paper proposes a method for extracting transmission characteristics of interconnects in printed circuit boards (PCBs) from near-field emission. A wideband microstrip line electric probe is used to measure the near-field emission. There are two key technologies in the extraction principle, obtai...

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Bibliographic Details
Published in:Applied sciences 2023-03, Vol.13 (5), p.2874
Main Authors: Peng, Zhenzhen, Xu, Hui, Su, Donglin
Format: Article
Language:English
Subjects:
Algorithms
Analysis
basic waveform theory
Circuit boards
Circuit printing
Circuits
Electric fields
Emission measurements
Emissions
Energy efficiency
Failure analysis
Field emission
Fourier transforms
Interconnections
interconnects
Methods
Microstrip transmission lines
Near fields
near-field emission
Network analysers
Printed circuits
Simulation
Transfer functions
transmission characteristic
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Summary:This paper proposes a method for extracting transmission characteristics of interconnects in printed circuit boards (PCBs) from near-field emission. A wideband microstrip line electric probe is used to measure the near-field emission. There are two key technologies in the extraction principle, obtaining the transfer function and the input signal estimation, and they are explained in detail. To validate the method, one-trace structures, including a corner trace and a via trace, and a multi-trace structure were measured. The transmission characteristics extracted by the proposed method agrees well with the standard vector network analyzer (VNA) measurements up to frequency of 12 GHz. The error caused by the distance and the disturbance signal is investigated.
ISSN:2076-3417
2076-3417
DOI:10.3390/app13052874