On the Potential Application of Direct Digital Synthesis in the Development of Frequency Synthesizers for Quantum Frequency Standards
A. A. PetrovPeter the Great St. Petersburg Polytechnic University, 195251, St. Petersburg, RussiaВ В ДавыдовPeter the Great St. Petersburg Polytechnic University, 195251, St. Petersburg, RussiaN. M. GrebennikovaPeter the Great St. Petersburg Polytechnic University, 195251, St. Petersburg, Russia
2018en
ABI
Аннотация
A new method for generation of the output signal of a frequency synthesizer of quantum frequency standards is considered. It is demonstrated that this method provides an opportunity to enhance spectral characteristics of the output signal, expand the range of output frequencies, and reduce the tuning step of the output frequency. A considerable (more than 10%) improvement in the frequency stability of a cesium-133 quantum standard and a 2.4-fold improvement in its temperature coefficient of frequency are reported.
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