TDA3504 Philips Semiconductors, TDA3504 Datasheet - Page 3

• Manufacturer Part Number: TDA3504
• Description: Video control combination circuit
• Manufacturer: Philips Semiconductors

(0.45 V p p)
(1.05 V p-p)
(1.33 V p-p)
signal
(R Y)
VBS
(B Y)
Y
14
15
11
4.4 V
CLAMPING
CLAMPING
CLAMPING
2.9 V
SATURATION
SATURATION
control voltage
CONTROL
CONTROL
(2 to 4.2 V)
saturation
MATRIX
G Y
12
clamping pulse
Y AMPLIFIER
(G Y)
(R Y)
(B Y)
TDA3504
( 12 V)
V P
MATRIX
MATRIX
MATRIX
2
R
R
R
Y
Y
Y
18
3 x SIGNAL SWITCH
switching voltage
DRIVER FOR
input for signal
SWITCHES
SIGNAL
7
Fig.1 Block diagram.
signal insertion (1 V)
R
10
G
4.5 V
9
B
8
PEAK DRIVE
CONTRAST
CONTRAST
CONTRAST
CONTROL
CONTROL
CONTROL
LIMITING
voltage (2 to 4.2 V)
contrast control
BRIGHTNESS
BRIGHTNESS
BRIGHTNESS
16
CONTROL
CONTROL
CONTROL
clamping pulse
brightness
(1 to 3 V)
voltage
control
5
17
4
3
green
blue
red
sandcastle
SANDCASTLE
pulse
DETECTOR
BLANKING
BLANKING
BLANKING
H + V
6
8 V
OUTPUT
OUTPUT
OUTPUT
4.5 V
STAGE
STAGE
STAGE
3
2.5 V
n.c.
13
0 V
MSA516 - 1
19
20
1
red
green
blue
5 V B/W
5 V B/W
5 V B/W