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This paper describes oscillator noise measurement techniques, challenges and associated measurement uncertainty. The cross-correlation method used in modern PN measurement equipments, can present erroneous result, depending upon phase-inversion, harmonics, o/p load mismatch, and cable length. This discussion is imperative for low phase noise signal sources, validated with 2.4 GHz SAW oscillator, and...
RF signals in VCOs, PLLs and synthesizers are characterized by signal power, harmonic content and phase noise. These parameters have to be accurately measured in order to guarantee the system performance. This paper focuses on the relationship between the signal's harmonic content and the precision of the phase noise measurement in test equipment. The phase noise measurement's accuracy is degraded...
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