SAA7191B Ver la hoja de datos (PDF) - Philips Electronics

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SAA7191B

Digital multistandard colour decoder, square pixel (DMSD-SQP).

Philips Electronics 

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CVBS (7-0)

CHR (7-0)

RTCO

PLIN

INPUT

INTERFACE

CHROMINANCE

BANDPASS

BYPS CHRS

68

HUEC

FISE

SECS

NFEN

66

QUADRATURE

DEMODULATOR

LOW-

PASS

FILTER

GAIN

CONTROLLED

AMPLIFIER

LOW-

PASS

FILTER

QUAM COMB

FILTERS AND

SECAM

RECOMBINATION

DISCRETE TIME

OSCILLATOR (DTO1)

AND DIVIDER

LOOP

FILTER

PI1

FISE

CKTS (4-0)

CHCV (7-0)

CKTO (4-0)

LFIS (1-0)

SECS

CODE

LOOP

FILTER

PI2

BURST GATE

ACCUMULATOR

CLOCHE

FILTER

SECS

HRMV

PHASE

DEMODULATOR

AND

AMPLITUDE

DETECTOR

SEQUENCE

PROCESSOR

42

OUTPUT

FORMATTER 63

AND OUTPUT

INTERFACE 64

OFTS

COLO

OEDY

OEDC

OEHS

UV (7-0)

HREF

FEON

FEIN

Y (7-0)

SAA7191B

CHROMINANCE

PLSE(7-0)

SESE(7-0)

FISE

SECS

SEQA

DIFFERENTIATOR

SXCR

DE-EMPHASIS

to luminance

FFigi.g3.(3a)DDeetatailieleddbblolocckk ddiiaaggrraamm;; ccoonnttininuueeddininFFigig.3.(4b.).

from luminance

MEH437

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