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參數(shù)資料
| 型號： | LVA519S |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 信號分離 |
| 英文描述： | SYNC SEPARATOR IC, PSIP9 |
| 封裝： | SIP-9 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大?。?/td> | 229K |
| 代理商： | LVA519S |
MITSUMI
Sync Separator with AFC LVA519
Measuring Procedures (Except where noted otherwise, Ta=25°C, VCC=5.0V, VIN=2.0VP-P)
Item
Symbol
Switch state
Measuring Procedures
S1
S2
S3
S4
S5
Consumption current
Id
B
AAA
Horizontal sync
(H)
VHH
BAB
B
A
output
(L)
VHL
BAB
B
A
Vertical sync
(H)
VVH
BAB
B
A
output
(L)
VVL
BAB
B
A
Free-running frequency
fO
A
BBB
A
setting range
Power supply fluctuation of
fO1
A
BBB
A
free-running frequency
Free-running frequency
fO2
A
BBB
A
temperature coefficient
Capture range
fC
B/A
A
B
A
Lock range
fL
B/A
A
B
A
AFC output delay time
td
A/B
A
B
A
AFC output pulse width
Pw
A/B
A
B
A
Schmitt trigger
(H)
VtHH
BAB
B
A
threshold
(L)
VtHL
Connect a DC ammeter to VCC pin.
Input standard color bar 2VP-P.
Measure at TP5
Input standard color bar 2VP-P.
Measure at TP4.
Adjust VR1 and measure frequency at TP5.
With fo at 15.73kHz, vary Vcc between 4.0V~6.0V
and measure at TP5.
With fo at 15.73kHz, vary temperature between
-20°C and 80°C and measure at TP5.
Input standard color bar 2VP-P and measure at TP1 and TP5. *1
Input standard color bar 2VP-P and measure at TP2 and TP5. *2
Input standard color bar 2VP-P and measure at TP5. *2
Measure at TP3 and TP4. *3
Notes:
*1 Capture range (fc)
Vary VR1 between max
min and min
max with SW1, and for each
lock make SW1 A and measure at TP5.
Data : fC1 and fC2 smaller value
Lock range (fL)
With SW1 at B and locked, vary VR1 and when the lock is released,
make SW1 A and measure at TP5.
Data : fL1 and fL2 smaller value
fc1
fc2
15.73KHz
fL1
fL2
15.73KHz
Measuring Procedures (Except where noted otherwise, Ta=25°C, VCC=5.0V, VIN=2.0VP-P)
Item
Symbol
Switch state
Measuring Procedures
S1
S2
S3
S4
S5
Sync separation
VSEPA
BAB
B
A
level
AFC switching
RAFC
B
A
BBB
resistance
Raise horizontal sync signal level of input standard
color bar 2VP-P and measure the level when a signal
is output at TP5.
With Fo at 15.73kHz, vary Iafc, and determine
according to Iafc value when TP5 output signal
switches to a composite signal, and TP6 voltage V6.
RAFC=V6/IA1
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