參數(shù)資料
型號： UPC1830GT
廠商： NEC Corp.
英文描述： FILTER-CONTAINING VIDEO CHROMA, SYNCHRONIZING SIGNAL PROCESSING LSI COMPATIBLE WITH NTSC/PAL SYSTEM
中文描述： 過濾含視頻色度，同步信號處理LSI兼容NTSC制式/ PAL制
文件頁數(shù)： 29/44頁
文件大?。?/td> 338K
代理商： UPC1830GT
μ
PC1830
29
A
Y
A
YRGB
A
YV
f
Y
A
B
e
CM
e
OCM
A
BV
f
B
e
TMAX.
e
TMIN.
Y:stair step 2
(1 V
p-p
)
Y:stair step 2
(1 V
p-p
)
Y:stair step 2
(1 V
p-p
)
Sine wave 4
(1 V
p-p
)
B-Y: stair step
1
(400 mV
p-p
)
B-Y: stair step
1
(400 mV
p-p
)
B-Y: stair step
1
(400 mV
p-p
)
B-Y: stair step
1
(400 mV
p-p
)
B-Y: sine wave
3
(400 mV
p-p
)
Stair step 1
(400 mV
p-p
)
Original color output Y
voltage gain
Y voltage gain RGB
output mutual
difference
Y voltage gain
fluctuation with
power supply
voltage fluctuation
Y frequency
characteristics
B output color
difference voltage
gain
Color control
variable range
Color control color
remainder
Color difference
voltage gain
fluctuation with
power supply
voltage fluctuation
Color difference
freq. characteristics
Tint control
variable range
B output voltage gain.
Mutual difference of R, G,
and B output voltage
gains.
Difference between B
output voltage gain and A
Y
under the same conditions
as A
Y
except that V
CC
=
4.5 V, 5.5 V.
200 kHz/6 MHz B output
gain difference.
B output voltage gain. Tint
control voltage 2.0 V,
Color = max.
Difference between B output
gain and A
B
.
Tint control voltage 2.0 V,
Color = min.
B output remaining color
difference level.
Tint control voltage 2.0 V,
Color = min.
Difference between each B
output voltage gain and A
B
under the same condition
as A
B
except that V
CC
is
changed from 4.5 to 5.5 V
B output gain difference
when freq. changes from
200 kHz to 6 MHz.
Tint control voltage 2.0 V,
Color = max.
See
Note
.
Color = max.
–
–
–
–2.0
0.0
+2.0
dB
–
–
–
–1.0
0.0
+1.0
dB
–
–
–
–0.5
0.0
+0.5
dB
–
–
–
0
–3
–5
dB
–
–
–
4.0
6.0
8.0
dB
–
–
–
35
45
–
dB
–
–
–
0
5
50
mV
p-p
–
–
–
–0.5
0.0
+0.5
dB
–
–
–
0
–3
–5
dB
–
–
PAL/
NTSC
+35
–
–
deg
–
–
–35
deg
Conditions
Symbol
Composite
f
SC
/Separate
PAL or
MIN.
TYP.
MAX.
Unit
(MHz) NTSC
Input signal
Parameter
Note
B demodulation angle
φ
B
is obtained from B output signal voltages using the following expressions:
B
1
B
2
Where, B
1
: B output signal voltage when signal is input only to R-Y
B
2
: B output signal voltage when signal is input only to B-Y,
B demodulation angle
φ
B
= tan
–1
e
TMAX
. and e
TMIN
. are obtained from the
φ
B
values using the following expressions:
e
TMAX
. =
φ
B(4)
–
φ
B(2)
, e
TMIN
. =
φ
B(2)
–
φ
B(10)
Where,
φ
B(0)
,
φ
B(2)
,
φ
B(4)
:
φ
B
values when tint control voltage is 0, 2, 4 V, respectively.
Remark
For the input signal, see
Measuring Input Signal
.
MATRIX SECTION
(1/2)
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