FIELD: radio engineering.
SUBSTANCE: device contains frequency discriminator switching quadrature channels every of which contains input multiplexing unit, integrator and delay element, analog-to-digital converter, Gilbert converter, three summators, three subtractors, loop filter, eight channel multiplexing units, decider, output multiplexing device, reference signal unit with digital sample synthesizer and code synchronization unit.
EFFECT: enhanced noise stability and tracking accuracy for noise signal frequency with minimum frequency shift.
2 dwg
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