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Theory and Practical Considerations for Measuring Phase Noise Better Than –165 dBc/Hz: Part II

In part one of this article,1 the fundamental concepts of phase noise and phase noise measurements using direct spectrum analysis, instrument limitations, common sources of error and possible ways to minimize measurement errors were reviewed. In part t...

November 14, 2004
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As discussed in part one of this article, the measurement of very good VCOs at large frequency offsets is limited by the spectrum analyzer’s dynamic range. This limitation can be overcome by using carrier filtering and selective amplification of noise at the offset frequency of interest. The bandpass filter...
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