1997 Mar 03

18

Philips Semiconductors

Objective specification

Stand-alone OSD for monitor applications

PCB8517

APPLICATION INFORMATION

Fig.10 Application circuit.

The analog power and ground pins should be separated from other circuits.

(1) Only connected when half tone is applied.

(2) The recommended circuit or value of components connected to VCO and BIAS could be changed in a different printed-circuit board layout.

handbook, full pagewidth

RED

HFLB

VFLB

15

5

horizontal sync from

deflection circuit

vertical sync from

deflection circuit

10

EN

6

SDI

7

SCK

MGD761

8

14

13

12

11

2

3

R, G and B video signals

from PC or work station

GREEN

BLUE

FB

HTONE

5.6 k

Ω

5.6 k

Ω

10 k

Ω

0.01

µF

0.01

µF

1 M

Ω

(1)

MIXER

MICROCONTROLLER

PCF8517

R, G and B outputs

to video circuit