Phasedetector for control of carrier recovery

摘要

This phase detector (8) has units (81,84) for forming the amplitude of the in-phase and quadrature signals (I,Q), units (82,83) for forming the signs of these signals, a first multiplier (85) for multiplying the sign values, a subtractor (86) finding the difference between the amplitudes and a second multiplier (87) forming the control signal (E) from the product of the first multiplier the difference found by the subtractor.