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Title: Precise Phase Noise Measurements Of Oscillators And Other Devices From Approximately 0.1 Mhz To 100 Gh,
Author: Fred L. Walls
Source: 1988 Measurement Science Conference
Year Published: 1988
Abstract: In this talk the commonly used measures of phase noise are briefly defined and their relationships explained. Techniques for making precise measurements of phase noise in oscillators, multipliers, dividers, amplifiers, and other components are discussed. Particular attention is given to methods of calibration which permit accuracies of 1 dB or better to be achieved. Common pitfalls to avoid are also covered. It is shown that the two oscillator approach is the most versatile of these techniques offering simultaneously both the lowest noise floor and the widest bandwidths. Phase noise floors (precisions) in exce.s.s of -170 dB relative to 1 radian2 per hertz are achievable for carrier frequencies from well below 0.1 MHz to beyond 100 GHz range.

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