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參數(shù)資料
| 型號(hào)： | LA75520K |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Monolithic Linear IC IF Signal Processing (VIF+SIF) IC that Supports the PAL Video Standard for TV Sets and VCRs |
| 中文描述： | 單片線性集成電路中頻信號(hào)處理（資料表格強(qiáng)度因子）芯片，支持PAL視頻標(biāo)準(zhǔn)的電視機(jī)和錄像機(jī) |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 145K |
| 代理商： | LA75520K |
LA75520K
No.A0648-5/12
System changeover
a. SIF system SW
The SIF system can be changed over by setting A (pin 7) and B (pin 9) to GND and OPEN respectively.
A
B
BG
I
DK
MN
FM DET
LEVEL
De-emphasis
GND
GND
O
6dB
75
μ
s
GND
OPEN
O
0dB
50
μ
s
OPEN
GND
O
0dB
50
μ
s
OPEN
OPEN
O
0dB
50
μ
s
Note : Circles mean that the system indicated with a circle is selected
b. IF system SW
The IF frequency becomes 38.9MHz when pin 10 is open.
The IF frequency becomes 38.0MHz when pin 10 is set to GND.
The IF frequency becomes 39.5MHz when pin 10 is set to VCC.
c. Split/inter carrier SW
Inter-carrier is selected by setting the 1st SIF input (pin 13) to GND.
d. Reference frequency changeover SW
The reference frequency becomes 4.43MHz when pin 11 is OPEN.
The reference frequency becomes 4.0MHz when 270k
Ω
is connected between pin 11 and GND.
e. AFT mute level, trap point shift SW
By changing the pin 15 voltage, the potential and TRAP point at which AFT is muted can be set to either just or shift
(about +220kHz).
Pin 15 potential
AFT mute potential
TRAP point shift
VCC to 4V
4V to 2.5V
MIDDLE (VCC/2)
MIDDLE (VCC/2)
HI (VCC)
HI (VCC)
Just
Shift
2.5V to 1V
Just
1V to GND
Shift
*
VCC=5V
f. FM detector function not used
To stop FM detection VCO without using the SIF circuit, short-circuit pin 1 – GND with resistance of 1k
Ω
or less.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LA75520KVA | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC IF Signal Processing (VIF+SIF) IC that Supports the PAL Video Standard for TV Sets and VCRs |
| LA75521VA | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:IF Signal Processing (VIF+SIF) IC that Supports the PAL Video Standard for TV Sets and VCRs |
| LA75525AVA | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:VIF/SIF Signal-Processing IC |
| LA75525VA | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC For TV Sets and VCRs VIF/SIF Signal-Processing IC |
| LA7555 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:IF Signal Processing (VIF+SIF) Cricuit for TV/VCR Use |
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