參數(shù)資料
型號: LA7566
廠商: Sanyo Electric Co.,Ltd.
英文描述: VIF/SIF IF Signal-Processing Circuit with TV/VCR PAL and NTSC Multisound Support
中文描述: 資料表格/應(yīng)力強度因子中頻信號處理電路與電視/錄像機PAL和NTSC制式的MultiSound支持
文件頁數(shù): 6/11頁
文件大小: 234K
代理商: LA7566
No. 5764-6/11
LA7566
Pin No.
Symbol
Pin function
Equivalent circuit
Pin Functions
1
FM DET OUT
Audio FM detector output.
Deemphasis is switched internally in the IC. (5 k
and 7.5 k
)
This switching is linked to the SIF input switch. An external
emitter-follower circuit must be provided if the deemphasis is
disabled.
2
SIF FILTER
Connection for a filter that holds the FM detector output DC
voltage at a fixed level. Normally, a 1-μF electrolytic capacitor is
used. To improve the low band (around 50 Hz) frequency
characteristics, increase the value of this capacitor (C1).
5
6
VIF IN
VIF amplifier input.
The input circuit is constructed as a balanced input, and the
input has the following impedance characteristics:
R
1.5 k
C
3 pF
Continued on next page.
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LA75665M 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
LA75665NM 制造商:未知廠家 制造商全稱:未知廠家 功能描述:
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LA75675M-S 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:VIF/SIF IF Signal-Processing Circuit that Supports NTSC Intercarrier for TV and VCR Products
LA75676M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For TV and VCR Products IF Signal Processor (VIF+SIF)