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Article title ORGANIZE CONTROL OF PROCESSES IN DIGITAL FREQUENCY SYNTHESIZER WITH PHASE СONTOUR STABILIZATION
Authors Yu.A. Gelozhe, P.P. Klimenko, A.V. Maksimov
Section SECTION V. MONITORING AND CONTROL IN TECHNICAL SYSTEMS
Month, Year 11, 2014 @en
Index UDC 621.316.726
DOI
Abstract Introduction of inertial FLF in the contour (FSPC) results in the reduction of locking range, i.e. the area of frequencies, in which the lock is determined process (lock which probability is equal to unit). At the same time there is a frequency area enclosed between the limits of the locking range and the holding range, for which the contour of stabilization is statistically steady. It means, that for any frequency from this area after switching frequencies and after intensive short-term influences in the contour of stabilization with certain probability an equilibrium condition is established, hence, programmed signal is formed, or beating mode is established, when the synthesis of a quazimonochrome signal becomes impossible. The above schemes provide fast recovery mode tracking and stabilization in conditions of slowly changing environmental factors and problems in the supply circuits, software, and other large impact impulse type. The phase portrait of the system and the phase-locked loop frequency synthesizer are presented.

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Keywords Frequency synthesizers; stabilization phase contour; pulsephase discriminator.
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