FIELD: communication devices.
SUBSTANCE: invention relates to digital communication systems and can be used in communication systems with mobile objects. The device contains two sources of digital signals, two Gaussian filters, two time integrators, two "cos" units, two "sin" units, carrier frequency oscillator, four signal multipliers, three adders, 90° phase changer, two dividing cascades.
EFFECT: doubling of frequency of using transmission channel frequency band.
1 dwg
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