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參數資料
| 型號： | AN5637 |
| 廠商： | PANASONIC CORP |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | SECAM decoder IC |
| 中文描述： | COLOR SIGNAL DECODER, PDIP16 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-16 |
| 文件頁數： | 11/11頁 |
| 文件大?。?/td> | 102K |
| 代理商： | AN5637 |
11
ICs for TV
AN5637
I
Application Circuit Example
1
1
1
1
1
1
1
9
1
2
3
4
5
6
7
8
7
6
1
1
N
μ
F
0
μ
F
9
V
C
0
μ
F
1
μ
F
2
1
μ
F
S
S
S
C
S
N
f
R
/
B
N
N
V
(
Y
(
Y
R
R
B
P
G
Note) The following signal is inputted to Pin1 from the AN5192/95.
System discrimination
1. Pin1 is the input and output pin for the three pieces of information
(1) Reference frequency signal input pin (AC)
(2) System discrimination signal input pin (DC voltage)
(3) SECAM/Non-SECAM discrimination output pin (DC current)
2. Reference frequency signal
The reference frequency signal input for Pin1 is used for the following 4 signals ;
(1) Bell filter automatic adjustement
(2) PLL(VCO) automatic adjustement
(3) Deemphasis automatic adjustement
(4) Ident discrimination
Be sure to input the high precision PAL carrier signal (4.43362 MHz) only in the vertical retrace period.
AN5637
Pin1 input
DC voltage
Pin1 sink current
Pin9, 10 output
System discrimination
SECAM
"H" (4.6 V)
175
μ
A
175
μ
A
0
μ
A
0
μ
A
Color difference signal output
"L" (1.3 V)
Open
Non-SECAM
"H" (4.6 V)
DC voltage output
"L" (1.5 V)
Open
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