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參數(shù)資料
| 型號(hào)： | LA75710VA |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Monolithic Linear IC NTSC Support TV and VCR VIF/SIF Signal Processing IC |
| 中文描述： | 單片線性集成電路支持NTSC制式電視機(jī)和錄像機(jī)資料表格/ SIF信號(hào)處理IC |
| 文件頁數(shù)： | 8/10頁 |
| 文件大小： | 282K |
| 代理商： | LA75710VA |
LA75710VA
No.A0356-8/10
Continued from preceding page.
Pin No.
Pin name
Function
Equivalent circuit
14
RF AGC OUTPUT
RF AGC OUT PUT. This output controls the tuner RF
AGC. A protective 200
resister is inserted in series
with the open collector out put. Determine the
external bleeder resister value in accordance with
the specifications of the tuner.
15
1ST SIF INPUT
First SIF input. ADC cut capacitor must be used in
the input circuit.
If a SAW filter is used:
The first SIF sensitivity can be increased by inserting
an inductor between the SAW filter and the IC to
neutralize the SAW filter output capacitance and the
IC input capacitance.
When used in an intercarrier system:
This pin (pin 13) maybe connect to GND.
16
IF AGC FILTER
IF AGC filter connection.
The signal peak-detected by the built-in AGC
detector is converted to the AGC voltage at pin 16.
Additionally, a second AGC filter (a lag-lead filter)
used to create the dual time constants is provided
internally in the IC.
Use a 0.022
μ
F capacitor as the external capacitor,
and other characteristics.
17
AFT MUTE LEVEL
The MUTE voltage of AFT is set up this pin. It
becomes a voltage that generated by an external
bleeder resistor, when this pin is connected with
GND. It becomes a High voltage (VCC) when this pin
is leaving open.
18
19
VIF INPUT
VIF amplifier input.
The input circuit is a balanced circuit, and the input
constants are:
R
≈
1.0k
C
≈
3pF
20
GND
Continued on next page.
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相關(guān)代理商/技術(shù)參數(shù) |
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| LA7575 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Super-split, PLL-II Video and Sound IF Signal Processor |
| LA7576 | 制造商:Panasonic Industrial Company 功能描述:IC |
| LA7577 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Super-split PLL-II VIF and SIF IF Signal Processor for TV/VTRs |
| LA7577N | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Super-split PLL-II VIF and SIF IF Signal Processor for TV/VTRs |
| LA7578 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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