DEVICE OF QUADRATURE RECEPTION OF FREQUENCY-MANIPULATED SIGNALS Russian patent published in 2011 - IPC H04L27/14 

FIELD: radio engineering.

SUBSTANCE: device of quadrature reception of frequency-manipulated signals comprises a unit of cophased component formation and a unit of quadrature component formation, including serially connected mixers and low-pass filters, a unit of reference signals generation, a voltage divider, a differentiating device, four multipliers, a unit of clock synchronisation, a delay line, a filter amplifier, a phase changer, a phase detector, an adjustable reference signal generator, a low-pass filter of a reference signals unit and the third low-pass filter.

EFFECT: simplification without reduction of noise immunity.

6 dwg