FIELD: radio receiving devices for relative phase-keyed signals.
SUBSTANCE: proposed reference wave shaper for coherent detection of 180 deg. relative phase keyed signals has frequency doubling unit, second harmonic filter, phase shifter, power amplifier, parametron, electronic switch, low-pass filter, and phase detector.
EFFECT: eliminated phase jump, enhanced noise immunity in signal reception.
1 cl, 1 dwg
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