UPC1830GT NEC, UPC1830GT Datasheet - Page 26

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

SYNCHRONOUS SECTION
26
Sync. separation
input DC voltage
H sync. pull-in
range
Horizontal VCO
control sensitivity
Horizontal VCO
free-running freq.
Horizontal VCO
free-running freq.
fluctuation with
power supply
voltage fluctuation
HD pulse output,
high
HD pulse output,
low
HD pulse output
width
Blanking pulse
output, high
Blanking pulse
output, low
Blanking pulse
output, width
Vertical free-running
frequency
(in 50-Hz mode)
Remark For the input signal, see Measuring Input Signal.
Parameter
Symbol
E
E
t
E
E
t
E
f
WHD
WBL
f
f
f
f
f
HDH
HDL
HP
f
BLH
BLL
v1
v2
v3
v4
H
IS
H
HV
Sync. separation input
DC voltage at no signal
Frequencies at which
horizontal AFC can be
pulled,
H sync width = 4.8 s
Calculated from HD
output frequency
change when horizontal
AFC filter pin voltage
changes from 2.9 to 3.4
V,
With no signal
Difference for 15.680
kHz of HD output
frequency,
With no signal
Change of f
changes from 4.5 to 5.5
V
I
I
When HD pulse rising,
falling is 2.5 V
I
I
When blanking pulse
rising, falling is 2.5 V
H sync. detect filter
pin voltage = 0 V
H sync. detect filter
pin voltage = 5 V
H sync. detect filter
pin voltage = 0 V
H sync. detect filter
pin voltage = 5 V
OH
OL
OH
OL
= +200 A
= +200 A
= –200 A
= –200 A
Conditions
H
when V
CC
Sync. signal
(300 mV
only
Sync. signal
(300 mV
Sync. signal
(300 mV
Sync. signal
(300 mV
Sync. signal
(300 mV
Sync. signal
(300 mV
Sync. signal
(300 mV
Sync. separate
input of 3.5 V
Sync. separate
input of –1 mA
Input signal
–
_
–
–
p-p
p-p
p-p
p-p
p-p
p-p
p-p
) only
) only
) only
) only
) only
) only
)
Composite f
/Separate
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
(MHz) NTSC
S C
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
PAL or
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–200
MIN.
2.25
1.2
3.9
3.9
3.9
9.9
400
–
–
–
–
–
–
f
f
f
f
TYP.
H
H
H
H
2.55
4.05
4.05
10.4
1.5
0.5
4.4
0.5
/368
/352
/272
/288
–
0
0
MAX.
+200
2.85
10.9
1.9
0.6
4.9
0.6
–
50
–
–
–
–
–
–
Hz/mV
PC1830
Unit
(1/2)
Hz
Hz
Hz
Hz
Hz
Hz
Hz
V
V
V
V
V
s
s