TDA4780/V4 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

TDA4780/V4

RGB video processor with automatic cut-off control and gamma adjust

Philips Electronics 

Philips Semiconductors

RGB video processor with automatic

cut-off control and gamma adjust

Preliminary specification

TDA4780

handbook, full pagewidth

sandcastle pulse with vertical component

timing controlled by sandcastle pulse

R channel

G channel

B channel

LM = leakage current measurement time.

MR, MG, MB = R, G, B cut-off measurement pulses.

MT = measurement time.

DG = internal blanking.

LM

MR

LM

MG

LM

MB

MT

DG

Fig.10 Pulse diagram.

MGE881

handbook, full pagewidth

V-axis

(R − Y)

PAL

1.14 / 90˚

(G − Y)

0.698 / 236.4˚

(B − Y)

2.03 / 0˚

U-axis

(R − Y)

1.59 / 95.1˚

V-axis

NTSC-JAPAN

nominal hue = −2˚

(G − Y)

0.606 / 239.9˚

(B − Y)

2.03 / 0˚

U-axis

MGE877

1997 Feb 06

Fig.11 Demodulation axes.

16

Share Link: