UPC1830GT NEC, UPC1830GT Datasheet - Page 30

• Manufacturer Part Number: UPC1830GT
• Description: FILTER-CONTAINING VIDEO CHROMA/ SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM
• Manufacturer: NEC

Remark For the input signal, see Measuring Input Signal.
30
Notes 1. From R, G and B output voltages R1, G1 and B1 when signal is input only to R-Y and R, G, and B output
PAL mode
demodulation ratio
PAL mode
demodulation angle
NTSC mode
demodulation ratio
NTSC mode
demodulation angle
Clamp pulse input
threshold voltage
R-Y input pin voltage
B-Y input pin voltage
R output pin voltage
G output pin voltage
B output pin voltage
DC difference
voltage between R,
G, B outputs
RGB output DC
fluctuation in color
control mode
RGB output DC
fluctuation in tint
control mode
Y input DC fluctuation in
color control mode
Y input DC fluctuation in
tint control mode
Y input pin voltage
Parameter
2. Clamp pulse input voltage which gets 80 A or more at Y input pin voltage = V
voltages R2, G2 and B2 when signal is input only to B-Y, R, G, B demodulation ratio and demodulation
angles are obtained by the following expressions:
R – Y
B – Y
R – Y = –tan
G – Y = –tan
R-Y
B-Y MN
G-Y
B-Y MN
Symbol
=
R-Y
B-Y P
G-Y
B-Y P
R-Y
G-Y
E
E
E
E
E
E
R-Y
G-Y
E
E
E
E
E
E
CLP
RGBC
RYI
BYI
GO
RGBT
RO
BO
X-Y
YIC
YI
YIT
MP
MP
R
B
MN
MN
1 2
1 2
Tint control = 2 V, Color
= max.
See Note1.
Maximum value of difference
voltages between E
and E
Maximum value of E
E
control = max./min.
Tint control = 2.0 V
Maximum value of E
E
Tint control = max./typ./min.
Color control = max.
Color control = max./min.
Tint control = 2.0 V
Tint control = max./typ./min.
Color control = max.
+ R
+ B
–1
Note 2
–1
BO
GO
, E
R
R
fluctuation
G
3G
2 2
2 2
BO
2
1
BO
1
Conditions
– tan
– 3G
fluctuation Color
1
,
+ G
G – Y
B – Y
2
2
–1
RO
RO
– ta
, E
, E
RO
B
B
GO
,
1
2
GO
,
,
n–1
=
+ 90
Stair step 1
(400 mV
Input signal
B
B
G
B
1
2
1 2
1 2
+ 240
–
–
–
–
–
–
–
–
–
–
–
–
+ G
+ B
p-p
)
2 2
2 2
Composite f
/Separate
–
–
–
–
–
–
–
–
–
–
–
–
–
(MHz) NTSC
S C
–
–
–
–
–
–
–
–
–
–
–
–
–
PAL or
NTSC
PAL
–
–
–
–
–
–
–
–
–
–
–
–
MIN.
0.50
0.31
0.69
0.22
228
100
238
2.1
2.1
2.1
1.6
1.6
1.6
1.6
85
–
–
–
–
CC
.
TYP.
0.56
0.35
0.75
0.25
237
105
247
2.5
2.5
2.5
2.0
2.0
2.0
2.0
90
0
0
0
0
MAX.
0.62
0.83
0.28
0.39
246
110
256
300
2.9
2.9
2.9
2.4
2.4
2.4
2.4
95
300
300
300
300
Times
Times
Times
Times
Unit
PC1830
deg
deg
deg
deg
mV
mV
mV
mV
mV
(2/2)
V
V
V
V
V
V
V