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參數(shù)資料
| 型號： | LA7437 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Video Signal Processing IC for VHS VCR Systems |
| 中文描述： | 視頻信號處理集成電路錄影機系統(tǒng) |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 215K |
| 代理商： | LA7437 |
No. 5473-5/8
LA7437, 7437A
LA7437A Control Pin Table
Note: Do not allow pin 3 to fall under 1.5 V. (The chip will enter test mode.)
Function Control in each of the LA7437A Operating Modes
Note: 1. K1 is the YNR coefficient, K2 is the LNC coefficient
2. Use the 1/2 f
H
carrier shift entries in parentheses when pin 23 is high.
3. The detail enhancer is off when pin 18 is at the middle level.
Pin No.
Control function
L
M
H
9
R/P
Edit
3.8 VDC or more
40
R/P
YNR (AVNS)-CTL
1.0 VDC to less
YNR-off
1.5 to 2.5 VDC
YNR-CTL
3.5 VDC or more
YNR (strong)
R
******
3.9 VDC or more
11
P
N, C, CTL
1.5 VDC or less
N, C-off
2.0 to 3.0 VDC
N, C-CTL
17
R/P
C-rotary
0 to 1.9 VDC
Low CH
2.3 VDC or more
High CH
19
P
QV/QH CHARA. INS
0.8 VDC or less
Through
1.2 to 2.2 VDC
CHARA insert
2.6 to 3.3 VDC
Pedestal insert
3.7 VDC or more
QV insert
25
R/P
EP/LP/SP
1.2 VDC or less
SP
2.0 to 2.7 VDC
LP
3.9 VDC or more
EP
28
R
SP carrier shift stop
3.0 VDC or more
SP carrier shift stop
27
P
NAP
1.2 VDC or less
Through
2.0 to 2.7 VDC
Balanced-mod output
3.3 VDC or more
NAP-on
30
R/P
NT/MESEC/PAL
1.2 VDC or less
PAL
2.0 to 2.7 VDC
MESEC
3.9 VDC or more
NTSC
33
P
Trick
3.9 VDC or more
2
P
DOC-off
4.1 VDC or more
6
R/P
PB-H
4.0 VDC or more
YNR
Detail enhancer
NC
1/2 f
H
carrier
shift
Edit
Pin 40 control
Pin 11 control
Pin 11 control
PIC-CTL
L
M
H
L
M
H
L
M
H
On
Off
Off
Off
Off
Variable
Center
—
—
—
—
G
G
(
)
SP
Off
Off
Off
Off
Off
Variable
Center
—
—
—
—
G
G
(
)
REC
On
Off
K1 = 0.2 K1 = 0.2
K2 = 0.0 K2 = 0.0
Off
Variable
Center
—
—
—
—
G
G
LP
EP
Off
Off
K1 = 0.5 K1 = 0.5
K2 = 0.0 K2 = 0.0
Off
Variable
Center
—
—
—
—
G
G
On
K1 = 0.0 K1 = 0.0 K1 = 0.5
K2 = 0.0 K2 = 0.0 K2 = 0.0
—
—
—
Off
Variable
Center
Center
—
SP
Off
K1 = 0.0 K1 = 0.2 K1 = 0.5
K2 = 0.0 K2 = 0.0 K2 = 0.0
—
—
—
Off
Variable
Center
G
G
—
PB
On
K1 = 0.0 K1 = 0.2 K1 = 0.5
K2 = 0.5 K2 = 0.5 K2 = 0.5
—
—
—
Off
Variable
Center
Center
—
LP
EP
Off
K1 = 0.0 K1 = 0.2 K1 = 0.5
K2 = 0.5 K2 = 0.5 K2 = 0.5
—
—
—
Off
Variable
Center
G
G
—
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LA7437A | Video Signal Processing IC for VHS VCR Systems |
| LA7440 | Video Signal Processing IC for VHS VCR Systems |
| LA7440M | Video Signal Processing IC for VHS VCR Systems |
| LA7449 | Video Signal Processing IC for VHS VCR Systems |
| LA7449M | Video Signal Processing IC for VHS VCR Systems |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA7437A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| LA7440 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| LA7440M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| LA7449 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
| LA7449M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Video Signal Processing IC for VHS VCR Systems |
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