DOI: 10.17586/2226-1494-2016-16-3-402-408


ANALOG-TO-DIGITAL CONVERSION OF SIGNALS WITH ANGULAR MANIPULATION FOR SOFTWARE DEFINED RADIO SYSTEMS

A. Y. Tsvetkov , A. G. Prygunov , N. D. Anikeichik , I. P. Rybalko , N. A. Osipov


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Article in Russian

For citation: Tsvetkov A.Yu., Prygunov A.G., Anikeichik N.D., Rybalko I.P., Osipov N.A. Analog-to-digital conversion of signals with angular manipulation for software defined radio systems. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2016, vol. 16, no. 3, pp. 402–408. doi: 10.17586/2226-1494-2016-16-3-402-408

Abstract

The paper deals with the search of ways for speeding up and accuracy increase of conversion of modern analog-to-digital converters. The main shortcomings interfering a solution of this task including the field of optoelectronic analog-to-digital converters are provided. The proposed solution gives the chance to increase high-speed performance of analog-to-digital converters on the basis of holographic interferometry principles without reducing their accuracy of conversion. The optical scheme of interferential and holographic method of analog-to-digital conversion and results of its mathematical modeling are provided. Some recommendations about hardware implementation of this analog data digitizer are formulated. The physical principles and approaches to a choice of the converter structural elements are explained. An example of forming the functional scheme of a decoder for a luminous flux intensity in terms of registration of analog-to-digital converter is reviewed. The practical importance of the provided method consists in possibility of creation of analog-to-digital converters with high-speed performance about 600 MHz and with an accuracy of conversion up to 12 bits.


Keywords: analog-to-digital conversion, software defined radio system, holographic interference, coder

Acknowledgements. The authors are grateful for close attention and comments identified during discussions of materials with representatives of the scientific school from now-defunct Rostov Military Institute of Strategic Missile Troops named after I. M. Nedelin: Doctor of technical sciences, Professor D. D. Gabriel'yan and Doctor of technical sciences, Professor D. A. Bezuglov.

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