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參數(shù)資料
| 型號： | LA75525AVA |
| 元件分類： | 接收器 |
| 英文描述： | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| 封裝： | 0.225 INCH, SSOP-24 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 171K |
| 代理商： | LA75525AVA |
LA75525AVA
No.A1256-8/10
Continued from preceding page.
Pin No.
Pin name
Function
Equivalent circuit
13
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.
13
100
30pF
2k
2k
100k
12pF
20k
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.
14
200
67
15
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.
15
1k
1k
50k
80k
30k
VCC
10k
16
IF AGC INPUT
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
F capacitor as the external capacitor, and other
characteristics.
16
VCC
1k
1k
17
18
VIF IN 2
VIF IN 1
VIF amplifier input.
The input circuit is a balanced circuit, and the input constants are:
R = 1.0k
C = 3pF
17
1k
20k
18
100
1k
100
19
GND
Continued on next page.
相關PDF資料 |
PDF描述 |
|---|---|
| LA75525VA | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| LA7555 | AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP24 |
| LA75600VA | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| LA75600VA | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
| LA7565BM | AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LA75600VA | 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 for use in TV/VCR Applications |
| LA7565B | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:IF Signal-Processing IC for PAL/NTSC Multi-System Audio TV and VCR Products |
| LA7565BM | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:IF Signal-Processing IC for PAL/NTSC Multi-System Audio TV and VCR Products |
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