H - Electricity – 04 – L
Patent
H - Electricity
04
L
329/16
H04L 27/14 (2006.01) H04L 27/152 (2006.01)
Patent
CA 1287127
FSK DEMODULATION CIRCUIT ABSTRACT OF THE DISCLOSURE An FSK demodulation circuit which receives as input an FSK modulated reception signal, obtains two quadrature pulse trains, i.e., a first pulse train and a second pulse train, from a phase detection circuit, is provided with at least two sampling means which use the edge of one of the pulse trains and sample the logic of the other pulse train, produces two or more sample outputs at different timings, and determines the logic of the reproduced data from a combination of the logics "1" and "0" of the sample outputs.
574262
Nakamura Takaharu
Oishi Yasuyuki
Takano Takeshi
Takeda Yukio
Watanabe Yasunobu
Fujitsu Limited
Mcfadden Fincham
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