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參數(shù)資料
| 型號： | U4935B-ADP |
| 英文描述： | MOSFET, N, TO-3PML; Transistor type:MOSFET; Current, Id cont:2A; Resistance, Rds on:10R; Case style:TO-3PML; Current, Idm pulse:4A; Power, Pd:50W; Transistor polarity:N; Voltage, Vds max:1500V RoHS Compliant: Yes |
| 中文描述： | SECAM制式解碼器 |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 183K |
| 代理商： | U4935B-ADP |
U4935B
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A1, 28-Jan-97
13 (16)
Typical Voltages
Pin
1
Function
DC Voltage
Comment
For the - reference input,
- PAL system identification input,
- SECAM killer-signal output.
180 A typ. at SECAM
0 A typ. at no SECAM
System switches detection level = 2.9 V.
f
ref
/ ident
2
3
4
5
Bell-filter output
Supply voltage
Bell-filter ref. voltage output
SECAM killer output
1.7 V
8 V
4.3 V
3.1 V
0 V
When SECAM
When no SECAM
6
7
8
Ground
Bell-filter reference
PLL reference
3.3 V
4.3 V
The capacitor should be connected as close as
possible to the ground pin of the package.
1.0 V (peak-to-peak value) when the color-bar
signal at Pin 16 is 100/75.
1.24 V (peak-to-peak value) when the color-bar
signal at Pin 16 is 100/75
Black-level error can be compensated by an
external resistor
Capacitor between Pin 12 and Pin 13 improves
color S/N ratio. The value of the capacitor is typ.
0.1 F.
Capacitor between Pin 12 and Pin 13 improves
color S/N ratio. The value of the capacitor is typ.
0.1 F.
Black-level error can be compensated by an
external resistor
9
–(R–Y) output
2.8 V
10
–(B–Y) output
2.8 V
11
Black level adjust B - channel
4.16 V
12
PLL auto 2
5.0 V
13
PLL auto 1
5.0 V
14
Black level adjust R - channel
4.28 V
15
16
Sandcastle-pulse (SCP) input
CVBS input
2.05 V
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