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參數資料
型號: LA75691
元件分類: 接收器
英文描述: AM/FM, AUDIO/VIDEO DEMODULATOR, PDIP24
封裝: SDIP-24
文件頁數: 3/13頁
文件大小: 206K
代理商: LA75691
No. 5734-11/13
LA75691
Pin No.
Pin
Function
Equivalent circuit
This filter is used to hold the FM detector output DC voltage
fixed.
Normally, a 1-F electrolytic capacitor should be used.
The value of this capacitor can be increased to improve the
low band (around 50 Hz) frequency characteristics.
23
FM filter
Audio FM detector output
This is an emitter follower output with a 200-
resistor
inserted in series.
Stereo applications
Some applications may find that the stereo decoder input has
a low input impedance, and that the left and right signals are
distorted, i.e. that the stereo characteristics are degraded. If
that is a problem, add the resistor R1 shown in the figure
between pin 24 and ground.
R1
≥ 5.1 k
Mono applications
Use an external deemphasis circuit with the following time
constant:
t = 2RC
24
FM Detector output
Continued from preceding page.
相關PDF資料
PDF描述
LA75693M AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
LA75693VA FM, AUDIO/VIDEO DEMODULATOR, PDSO24
LA75694M AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
LA75694M AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
LA75695VA AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO24
相關代理商/技術參數
參數描述
LA75694M 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Use in TV/VTR Applications IF Signal Processing (VIF/SIF for Hi-Fi)
LA75695VA 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:For Use in TV/VTR Applications IF Signal Processing (VIF+SIF+SIF converter)
LA7570 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:TV,VTR IF Signal Processor (Super Split PLL VIF+SIF)
LA75710VA 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Monolithic Linear IC NTSC Support TV and VCR VIF/SIF Signal Processing IC
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
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