SPECTRUM-DIVISION FREQUENCY MODULATOR Russian patent published in 2005 - IPC

Abstract RU 2255415 C1

FIELD: radio communications; digital communication systems.

SUBSTANCE: proposed spectrum-division frequency modulator that incorporates provision for using frequency-modulated signals of high modulation index in communication systems where frequency resources are limited has two multipliers, two phase shifters, smoothing-voltage generator, two amplitude-phase modulators, carrier generator, adder, and frequency shift control unit.

EFFECT: enhanced noise immunity of communication systems.

3 cl, 15 dwg

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RU 2 255 415 C1

Authors

Prakhov V.I.

Dates

2005-06-27—Published

2003-11-11—Filed