International Journal of Microwave Science and Technology / 2015 / Article / Fig 7

Research Article

Implementation of a Cross-Spectrum FFT Analyzer for a Phase-Noise Test System in a Low-Cost FPGA

Figure 7

Cross-correlation phase-noise measurement of a free-running wideband VCO at 2.16 GHz with the APPH6040. Single correlation (blue) and maximum correlation (brown) per individual decades. Same measurement time of 1.2 sec for both traces.

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