Reduction of the Phase Noise Level of Heterodynes of Modern Spectrum Analyzers Using Fundamental Frequency Images of Direct Digital Synthesizers
- Autores: Romashov V.1, Romashova L.1, Khramov K.1, Yakimenko K.1, Doktorov A.1, Ovchinnikov R.1
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Afiliações:
- Vladimir State University
- Edição: Volume 61, Nº 5 (2018)
- Páginas: 508-513
- Seção: Article
- URL: https://journals.rcsi.science/0543-1972/article/view/246496
- DOI: https://doi.org/10.1007/s11018-018-1459-5
- ID: 246496
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Resumo
A hybrid frequency synthesizer ins developed in which fundamental frequency images of a direct digital synthesizer are used to improve noise characteristics. It is shown that this synthesizer can generate a wide range of output frequencies with a small step size adjustment. Mathematical modeling of the noise characteristics of the synthesizer and comparison with the noise characteristics of heterodynes of modern spectrum analyzers are carried out.
Sobre autores
V. Romashov
Vladimir State University
Autor responsável pela correspondência
Email: romashovmurom@mail.ru
Rússia, Vladimir
L. Romashova
Vladimir State University
Email: romashovmurom@mail.ru
Rússia, Vladimir
K. Khramov
Vladimir State University
Email: romashovmurom@mail.ru
Rússia, Vladimir
K. Yakimenko
Vladimir State University
Email: romashovmurom@mail.ru
Rússia, Vladimir
A. Doktorov
Vladimir State University
Email: romashovmurom@mail.ru
Rússia, Vladimir
R. Ovchinnikov
Vladimir State University
Email: romashovmurom@mail.ru
Rússia, Vladimir