TDA8366H datasheet(36/48 Pages) PHILIPS

36 / 48 page

January 1995

Philips Semiconductors

Objective speciﬁcation

I2C-bus controlled PAL/NTSC TV

processor

TDA8366

TEST AND APPLICATION INFORMATION

handbook, full pagewidth

MLA746 - 1

BAND

PASS

47 and 46

4.4

MHz

3.6

MHz

TDA4661

28 27

21 22 23 24

RI GI

RGBIN

CHROMA

EXT

CVBS/

TXT

CVBS

IFDEM2

IFDEM1

HOUT

FBI

BCLIN

BLKIN

EWD

VDR

SEC

RYO

BYO

BYI

SCO

RYI

TDA8395

to text decoder

STEREO AND CONTROL

BAND

PASS

SCL

SDA

CVBS/Y

SOUND

TRAP

QSS IF

SAW

FILTER

from

tuner

TDA8366

ref

(neg)

(pos)

Fig.13 Application diagram.

East-West output stage

In order to obtain correct tracking of the vertical and

horizontal EHT-correction, the EW output stage should be

dimensioned as illustrated in Fig.14.

Resistor REW determines the gain of the EW output stage.

Resistor Rc determines the reference current for both the

vertical sawtooth generator and the geometry processor.

The preferred value of Rc is 39 kΩ which results in a

reference current of 100

µA (Vref = 3.9 V).

The value of REW must be:

Example: With Vref = 3.9 V; Rc =39kΩ and Vscan = 120 V

then REW =68kΩ.

scan

ref

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