System Phase Noise Calculations

By Joseph D. DiBona, Senior Engineer, Spectrum Microwave

When calculating the phase noise of a system there are many considerations. The following illustrates phase noise calculation of a system and the effects of correlated components verses uncorrelated components. Following these calculations there is an illustration showing consideration of absolute power levels and how they affect the phase noise of a system.

About The Author
Joseph DiBona is an RF engineer who has worked with microwave systems and low phase noise designs for over 20 years. He has been with API Technologies since 2003 developing phase noise sensitive amplifiers and frequency sources for integrated microwave assemblies.