Method of indemnification phase noises the system PLL of frequency
Journal Title: Телекомунікаційні та інформаційні технології - Year 2017, Vol 103, Issue 2
Abstract
Digital systems PLL frequency widely and effectively are used in the synthesizers of frequencies the modern radiotechnical systems (mobile, satellite and trunking communication and also in the perspective military radiotechnical complexes of the different setting (Air Force, Navy military), for the construction sources vibrations, which satisfy to the whole complex of requirements, which include requirements to time of alteration, stability of frequency and level phase noises. The large number of publications is sanctified to research and calculation of phase noises submachines systems PLL. But articles in which the detailed analysis noises of phase detector are provided, which are the submachines the digital systems PLL synthesizers of frequencies practically absent, although a basic contribution is to the spectrum phase noise of initial oscillation the system PLL, the deposit noises of phase detector prevails. As known from the theory the systems PLL influence of noises, which arises up in the consequence work of phase detector, depends on local properties of discriminatory descriptions, in particular, from the local steepness of discriminatory description of phase detector in the point stationary mode of synchronism. The presence such distortions substantially influences on noise and dynamic descriptions the system PLL. In the article results of analysis and principles construction the system PLL of frequency depending on the set requirements level of phase noises the system are considered. The presented results show by itself the method of indemnification phase noises the system PLL of frequency in the perspective radiotechnical complexes of the special setting.
Authors and Affiliations
Yevhen Lebid, Robert Bieliakov, Andrii Shyshatskyi
Keywords
Related Articles
- EP ID EP263220
- DOI -
- Views 68
- Downloads 0
МЕТОДИКА ОЦІНКИ ЩІЛЬНОСТІ РАДІОВУЗЛІВ В САМООРГАНІЗОВАНИХ МЕРЕЖАХ
The peculiarities of the modern self-organizing radio networks are analyzed. The method of the planning of such networks is considered. It implies that the three low-level-protocols of open system models interaction, nam...
CONTROL AND NAVIGATION OF WATER TRANSPORT RESOURCE USING A PASSIVE RADIO ENGINEERING COMPLEX
The questions of development of high-precision complexes of two- and three-dimensional mapping of objects, in particular, complexes of coastal water areas, in particular, complexes of coastal water areas, have been consi...
SIMULATION MODEL OF THE GENERATION AND IMPLEMENTATION OF THE MEANS OF «PENETRATION TESTING»
During simulation of the process generation of cyberattacks of various formats was performed using the specialized IxChariot 9 package and software developed during the research. The collection of incoming information ab...
Recovery of the telecommunications functioning in emergency situations
In the article problems associated with the recovery of the network after the emergency are reviewed, the basic criteria for optimal recovery of telecommunication services are defined. The necessity of the development of...
The method for determining optimal parameters of the low-loss transmission windows in terahertz range.
The questions of increasing the efficiency of data transmission over a wireless and terahertz channel based on the method developed to determine the optimal parameters of low-loss transmission windows are considered. The...