The self-noise of the direct digital synthesizers have been investigated. The analysis of the formulas for the spectral density of the power of the fundamental and flicker noise has been affected.
DDS, power spectral density, phase noise
"Sobstvennыe fazovыe shumы tsyfrovыkh vыchyslytelnыkh syntezatorov syhnalov" [Own phase noise of the digital computer synthesis],
Systems of Arms and Military Equipment,