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參數(shù)資料
| 型號： | UPC1830 |
| 廠商： | NEC Corp. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | RSO-S_D(Z) Series - Econoline Regulated DC-DC Converters; Input Voltage (Vdc): 05V; Output Voltage (Vdc): 15V; Power: 1W; 2:1 and 4:1 Wide Input Voltage Ranges; 1kVDC, 2kVD & 3kVDC Isolation; UL94V-0 Package Material; Continuous Short Circuit Protectionwith Current Foldback; Low Noise; No External Capacitor needed; Efficiency to 83% |
| 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)： | 26/44頁 |
| 文件大?。?/td> | 338K |
| 代理商： | UPC1830 |
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μ
PC1830
26
Conditions
Symbol
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)
–
–
–
2.25
2.55
2.85
V
–
–
–
±
400
–
–
Hz
–
–
–
1.2
1.5
1.9
Hz/mV
–
–
–
–200
0
+200
Hz
–
–
–
0
±
50
Hz
–
–
–
3.9
4.05
–
V
–
–
–
–
0.5
0.6
V
–
–
–
3.9
4.4
4.9
μ
s
–
–
3.9
4.05
–
V
–
–
–
–
0.5
0.6
V
–
–
–
9.9
10.4
10.9
μ
s
–
–
–
–
f
H
/368
–
Hz
–
–
–
–
f
H
/352
–
Hz
–
–
–
–
f
H
/272
–
Hz
–
–
–
–
f
H
/288
–
Hz
Composite
f
SC
/Separate
PAL or
MIN.
TYP.
MAX.
Unit
(MHz) NTSC
–
Sync. signal
(300 mV
p-p
)
only
_
–
–
Sync. signal
(300 mV
p-p
) only
Sync. signal
(300 mV
p-p
) only
Sync. signal
(300 mV
p-p
) only
Sync. signal
(300 mV
p-p
) only
Sync. signal
(300 mV
p-p
) only
Sync. signal
(300 mV
p-p
) only
Sync. separate
input of 3.5 V
Sync. separate
input of –1 mA
Input signal
(1/2)
Sync. separation input
DC voltage at no signal
Frequencies at which
horizontal AFC can be
pulled,
H sync width = 4.8
μ
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
H
when V
CC
changes from 4.5 to 5.5
V
I
OH
= –200
μ
A
I
OL
= +200
μ
A
When HD pulse rising,
falling is 2.5 V
I
OH
= –200
μ
A
I
OL
= +200
μ
A
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
E
IS
f
HP
β
H
f
H
f
HV
E
HDH
E
HDL
t
WHD
E
BLH
E
BLL
t
WBL
f
v1
f
v2
f
v3
f
v4
SYNCHRONOUS SECTION
Parameter
Remark
For the input signal, see
Measuring Input Signal
.
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