Common mode techniques – ETS-Lindgren 7405 E & H Near Field Probe Set User Manual

Page 42

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42

Common Diagnostic Techniques

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C

OMMON

M

ODE

T

ECHNIQUES

Some traditional common mode techniques

do not work in differential mode situations

Once a common mode problem is determined, use techniques which have a

good potential for success. Start by analyzing the ground and power distribution

system. Understand what RF impedances these systems present, and then

reduce the excessive impedance. These techniques can be tried:

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