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Measuring Vcc noise using Spectrum Analyzer

Question asked by ygaim on Nov 26, 2007
Latest reply on May 18, 2010 by Vladan
How can I measure Vcc noise using Spectrum Analyzer? Impedance is my concern here. If I use say bias T, I am loading down the Vcc and I need to have 50 ohm on the spectrum Analyzer side.