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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(yè)數(shù)： | 9/12頁(yè) |
| 文件大?。?/td> | 145K |
| 代理商： | LA75520K |
LA75520K
No.A0648-9/12
Continued from preceding page.
Pin No.
Pin name
Function
Equivalent Circuit
7
9
SIF SYSTEM SW A
SIF system selection switch pins. Combining the
settings of these two pins supports four systems.
In M/N mode, the audio output level is increased by
6dB.
The internal trap is also linked to these switches.
The truth-values are as follows.
Pin7
Pin9
MODE
H
H
B/G
H
L
I
L
H
D/K
L
L
M/N
7
9
1
Ω
1
Ω
5
Ω
5
Ω
8
Ω
8
Ω
1
Ω
1
Ω
3
Ω
3
Ω
8
APC FILTER
PLL APC filter connection pin. The APC count is
switched internally in the IC.
The VCO is normally controlled by route A.
When unlocked and during weak field reception, the
VCO is controlled by route B and the loop gain is
increased.
For this APC filter we recommend a resistor of 51
Ω
and capacitor of 0.47
μ
F.
The buzz characteristics can be improved by
connecting a capacitor of 100pF or so between pins
5 and 8.
8
1k
Ω
1k
Ω
from
APC
DET
A
B
10
VIF FREQUENCY
SW
Switch pin for selecting the IF frequency
When this pin is open, 1/2VCC exists.
VCC : 39.5MHz
Open : 38.9MHz
GND : 38.0MHz
10
11k
Ω
50k
Ω
50k
Ω
11
REFERENCE CP
INPUT
Reference signal input pin necessary for adjusting
the internal sound carrier trap, AFT, etc.
Either 4.0 or 4.43 MHz can be selected. Use the
configuration shown in example 1 when using
4.43MHz and configuration shown in example 2
when using 4.0MHz.
Since no oscillator can be configured simply by
connecting the X’tal resonator to pin 11, input the
reference signal from an external source without
fail.
11
1000pF
4.43MHz
Example 1
Example 2
11
1000pF
4.0MHz
270k
Ω
11
2
Ω
Continued on next page.
相關(guān)PDF資料 |
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| LA75525VA | Monolithic Linear IC For TV Sets and VCRs VIF/SIF Signal-Processing IC |
| LA7555 | IF Signal Processing (VIF+SIF) Circuit for TV / VCR Use(用于電視機(jī)/VCR應(yīng)用的IF信號(hào)處理（VIF+SIF）電路) |
| LA75600VA | Monolithic Linear IC IF Signal Processing (VIF/SIF) IC for use in TV/VCR Applications |
| LA7565B | IF Signal-Processing IC for PAL/NTSC Multi-System Audio TV and VCR Products(用于PAL/NTSC多系統(tǒng)音頻電視機(jī)和VCR產(chǎn)品的IF信號(hào)處理芯片) |
| LA7565KM | IF Signal-Processing IC for PAL/NTSC Multi-System Audio TV and VCR Products |
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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