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參數(shù)資料
| 型號(hào)： | TA1231F |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 2-BAND, VIDEO TUNER, PDSO16 |
| 封裝： | 0.225 INCH, 1 MM PITCH, PLASTIC, SSOP-16 |
| 文件頁(yè)數(shù)： | 5/12頁(yè) |
| 文件大?。?/td> | 329K |
| 代理商： | TA1231F |
TA1231F,TA1231FN
2001-02-23 2/12
BLOCK DIAGRAM
TERMINAL FUNCTION
PIN No.
PIN NAME
FUNCTION
INTERFACE
1
16
VHF oscillator
VHF oscillator.
To prevent abnormal oscillation,
connect a resistor between pin 16 and
the external capacitor.
2
3
4
5
UHF oscillator
UHF oscillator.
Pin 5 uses both as band
switch.Connecting pin 5 to VCC via
22k sets to UHF ; connecting pin 12
to GND sets to VHF.
To use VHF SW voltage OPEN rather
than GND, connect a resistor of
around 10k. Changing capacitor of
6pF connected to pins 2 and 5 of test
circuit 2 varies the oscillation
frequency range.
Be careful not to set the constant too
large, because abnormal oscillation
may occur.
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| TA1231FN | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:UHF/VHF TUNER IC |
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| TA1241ANG | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:DEFLECTION PROCESSOR IC FOR TVs |
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