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參數(shù)資料
| 型號： | UPC1862GS |
| 廠商： | NEC Corp. |
| 英文描述： | BURST LOCK CLOCK GENERATOR |
| 中文描述： | 爆破鎖時鐘發(fā)生器 |
| 文件頁數(shù)： | 19/32頁 |
| 文件大小： | 252K |
| 代理商： | UPC1862GS |
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19
μ
PC1862
ELECTRICAL CHARACTERISTICS (at T
A
= 25
±
3
°
C, RH
≤
70 %, V
CC
= 5 V, unless otherwise specified)
Chroma section
Parameter
Symbol
Condition
MIN.
TYP.
MAX.
Unit
Supply current
of chroma section
I
CC (C)
V
CC (C)
= 5 V
No current on pin 2, 14 and 15
17
21
25
mA
ACC amplitude
characteristic 1
ACC
1
Fluctuation of chroma output level at +6 dB
change of chroma input burst signal
(0 dB = 150 mV
p-p
)
–2.0
0
+2.0
dB
ACC amplitude
characteristic 2
ACC
2
Fluctuation of chroma output level at –20 dB
change of chroma input burst signal
(0 dB = 150 mV
p-p
)
–5.0
–1.0
+1.0
dB
Color killer set point
e
KS
Input level at killer ON with chroma input burst
sig. (0 dB = 150 mV
p-p
) being attenuated
–45
–39
–33
dB
Color residual of color killer
e
KR
Residual level of chroma output in Killer ON
state when chroma input burst signal of
150 mV
p-p
is input
-
-
15
mV
p-p
Chroma output level
E
COUT
Chroma output level when chroma input burst
signal of 150 mV
p-p
is input
1.1
1.3
1.5
V
p-p
Color killer output
High level (1)
E
CKOH (1)
High level of color killer output at color killer
OFF
I
OH
= –400
μ
A
2.7
3.5
-
V
Color killer output
High level (2)
E
CKOH (2)
High level of color killer output at color killer
OFF
I
OH
= –20
μ
A
3.5
4.0
-
V
Color killer output
Low level
E
CKOL
Low level of color killer output at color killer ON
I
OL
= +2 mA
-
0.2
0.4
V
APC lock-in range
f
P
Frequency pulled by APC with chroma input
burst frequency changed (f
SC
conversion)
±
400
±
600
-
Hz
VCO control sensitivity
β
P
Rate of variation of frequency when APC filter
pin is changed from –0.025 V to +0.025 V
(f
SC
conversion)
8.0
10.0
12.0
Hz/mV
Phase variable range
θ
CONT
Amount of phase shift when voltage of phase
control pin is set at 2.5 V + 1 V
±
40
±
55
-
deg
VCO output level
e
VCOO
VCO output level when chroma input burst
signal of 150 mV
p-p
is input
1.0
1.3
1.6
V
p-p
f
SC
output level
e
SCO
f
SCO
output level when chroma input burst
signal of 150 mV
p-p
is input
210
300
390
mV
p-p
Divider select voltage
V
DIVSL
1/4 freq. division if V
DIVS
< V
DIVSL
-
-
0.5
V
V
DIVSH
EXT IN with V
DIVS
: OPEN
4.5
-
-
V
1/8 freq. division if V
DIVSH
< V
DIVS
NTSC/PAL select voltage
V
N/PT
f
V
= 60 Hz if V
N/P
< V
N/PT
f
V
= 50 Hz if V
N/PT
< V
N/P
1.7
2.0
2.3
V
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