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參數(shù)資料
| 型號(hào)： | TA8865BN |
| 元件分類(lèi)： | 接收器 |
| 英文描述： | AUDIO/VIDEO DEMODULATOR, PDIP36 |
| 封裝： | 0.500 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-36 |
| 文件頁(yè)數(shù)： | 25/27頁(yè) |
| 文件大?。?/td> | 571K |
| 代理商： | TA8865BN |
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TA8865BN
2001-02-21 7/27
PIN
No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
23
MODE SEL
For switching between SIF inputs A and B in L
mode (pin 35 : 3.5~6.5V), and switching AFT
output polarity. For details see the mode table
on page 10.
24
LOCK Filter
PLL synchronous detection circuit filter ;
distinguishes that signal is inputted or not by
detection of average of PIF output signal.
Pin voltage is approximately 2V (narrow pull-in)
when signal is inputted and approximately 4V
(broad pull-in) with no signal.
At no signal, pin voltage can be used to apply
AFT mute.
25
26
PIF VCO1
PIF VCO2
For PLL VCO tank coil for PIF ; VCO frequency
is adjusted by changing the variable capacitance
in the IC.
When the resonance circuit has capacitor of
27pF the frequency should be adjusted to
approximately 3MHz.
27
VCO GND
Ground for the VCO circuit
—
28
LOOP Filter
PLL loop filter of the PIF detection ; This IC has
a built-in circuit for changing the loop filter time
constant. Keyed APC is applied in L mode,
full-time APC in BG mode.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TA8867AN | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:VIDEO, CHROMA, AND SYNC. SIGNAL PROCESSING IC FOR PAL/NTSC-SYSTEM COLOR TELEVISIONS |
| TA8867BN | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:VIDEO, CHROMA, AND SYNC. SIGNAL PROCESSING IC FOR PAL/NTSC-SYSTEM COLOR TELEVISIONS |
| TA8874Z | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:SOUND MULTIPLEX BROADCAST DEMODULATOR IC FOR DOMESTIC TV/VTR |
| TA8874Z_01 | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:SOUND MULTIPLEX BROADCAST DEMODULATOR IC FOR DOMESTIC TV / VTR |
| TA8876FA | 制造商:TOSHIBA 制造商全稱(chēng):Toshiba Semiconductor 功能描述:FOR LCD TVS, PIF, QIF, AND SIF SYSTEMS |
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