Demodulator for a complex-value vestigial sideband signal

Details Demodulator for a complex-value vestigial sideband signal Demodulator for a complex-value vestigial sideband signal

1995-11-20

1997-09-02

Lee, Michael H.

Television

Receiver circuitry

Demodulator

348736, 329357, 455337, H04N 5455

Patent

active

056637730

ABSTRACT:
In a demodulator for a complex-value vestigial sideband signal, a Nyquist slope filter which consists of two subfilters (Ra, Ia) is used, a filter device (FBASTP) being connected downstream of, or also capable of being integrated in, the said Nyquist slope filter, in order to suppress subcarriers, specifically in such a way that the real parts (Ra) and imaginary parts (Ia) of the sub-filters can be combined in each case.

REFERENCES:
patent: 4803700 (1989-02-01), Dewey et al.
patent: 5177611 (1993-01-01), Gibson et al.
patent: 5220602 (1993-06-01), Robbins et al.
patent: 5477199 (1995-12-01), Montreuil
patent: 5541672 (1996-07-01), Goeckler
patent: 5568206 (1996-10-01), Goechler
patent: 5570137 (1996-10-01), Goechler
Kammeyer, et al, "Digitale Signalverarbeitung", B.G. Teubner Stuttgart, 1992, pp. 122-136.
Antoniou, A., Digital Filters, Analysis, Design and Applications, Electrical Engineering Series, Second Edition, pp. 602-625, 1993.

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