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)： 11/12頁
文件大?。?/td> 145K
代理商： LA75520K
LA75520K
No.A0648-11/12
Continued from preceding page.
Pin No.
Pin name
Function
Equivalent Circuit
16
IF AGC
IF AGC filter connection pin.
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
(C1), and adjust the value according to the sag,
AGC speed, and other characteristics.
16
5k
Ω
1k
Ω
1k
Ω
C1
17
18
VIF IN2
VIF IN1
VIF amplifier input pin
The input circuit is a balanced circuit, and the input
impedance is as follows:
R
≈
1.0k
Ω
18
1
Ω
17
1
Ω
19
GND
20
RF AGC VR
RF AGC volume connection pin
This pin sets the tuner RF AGC operating point.
Also, the FM output and the video output can both
be muted at the same time by connecting this pin to
ground.
20
1
Ω
1
Ω
21
SIF CARRIER OUT
First SIF output pin
This is an emitter-follower output with a 200
Ω
resistor attached in series.
21
200
Ω
22
AUDIO BIAS
FILTER
Connection pin for a filter used to hold the FM
detector output DC voltage fixed. Normally, a 1
μ
F
electrolytic capacitor should be used. The
capacitance (CI) should be increased if the low
band (around 50Hz) frequency characteristics need
to be improved.
22
+
300
Ω
300
Ω
40k
Ω
40k
Ω
C1
Continued on next page.
相關(guān)PDF資料
PDF描述
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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