Apparatus for Measuring High Frequency Electromagnetic Noise in Printed Circuit Boards and Measurement Method Therefor
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Nov 20, 2012
filing date -
Feb 9, 2012
priority date (Note) -
Abandoned
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Abstract
An apparatus and a method for measuring high frequency electromagnetic noise on the power supply planes of printed circuit boards (PCBs). The apparatus comprises a printed reverberation board (PRB) with curved edges that generates a strong sensitivity of the results to the boundary conditions. The PCB under test is inserted into a hole in the PRB and the power supply planes are connected to the PRB's first and second layer, in order to convey the noise into the device. Tuners are provided in to order obtain a statistically significant number of measurements with different boundary conditions. Measurement are conducted on the device ports. (See
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