Digital meter of frequency instability and phase noise of high stable oscillators

• Published in: IOP conference series. Materials Science and Engineering 2021-01, Vol.1029 (1), p.12089
• Main Authors: Fedosov, V P, Nsue, Jacinto M B, Labyntsev, A V
• Format: Article
• Language: English
• ISSN: 1757-8981; 1757-899X
• DOI: 10.1088/1757-899X/1029/1/012089

This paper discusses the measurement of frequency instability and phase noise of real oscillators. As part of this work, a device was developed in LabVIEW, which allows implementing the multiplier-conversion method (MCM), in the form of a subprogram for oscillations with a low level of frequency instability. Another device was developed, which allows the simulation of a signal with a given phase noise grade, for applying MCM to increase standard deviation as many times as is needed. The use of these devices confirmed the operability and efficiency of the MCM for increasing the oscillation instability by a given number of times. The research showed that in the case of oscillation with very high frequency stability, it is possible to increase this small instability by a concise number of times, using MCM, and thereby provide the possibility of measuring frequency and phase instability, by devices with a larger error than is required for the measurements of very small instability.