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參數(shù)資料
| 型號： | TUA6020 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 元件分類： | 調(diào)諧器 |
| 英文描述： | 2-BAND, VIDEO TUNER, PDSO28 |
| 封裝： | 1 MM HEIGHT, PLASTIC, TSSOP-28 |
| 文件頁數(shù)： | 37/39頁 |
| 文件大?。?/td> | 739K |
| 代理商： | TUA6020 |
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Product Description
2 - 2
TUA6020
targetpreliminary
Wireless Components
Specification, April 2000
2.1
General Description
The TUA6020 device combines a digitally programmable phase locked loop
(PLL), with a mixer-oscillator block including two balanced mixers and oscilla-
tors for use in TV and VCR tuners.
The PLL block with four selectable chip addresses forms a digitally programma-
ble phase locked loop. With a 4 MHz quartz crystal, the PLL permits precise set-
ting of the frequency of the tuner oscillator up to 1024 MHz in increments of
31.25, 50, 62.5 or 166.7 kHz. The tuning process is controlled by a micropro-
cessor via an I2C bus. The device has three output ports. A flag is set when the
loop is locked. It can be read by the processor via the I2C bus.
The mixer-oscillator block includes two balanced mixers (one mixer with high-
impedance input and one mixer with a balanced low-impedance input), two fre-
quency and amplitude-stable balanced oscillators for LOW/MID and HIGH, an
IF amplifier, a low-noise reference voltage source, and a band switch.
2.2
Features
General
Suitable for analog and digital terrestrial TV tuner
Full ESD protection
Mixer/Oscillator
High impedance mixer input for LOW/MID band
Low impedance mixer input for HIGH band
4 pin oscillator for LOW/MID band
4 pin oscillator for HIGH band
IF-Amplifier
balanced SAW preamplifier
Low output impedance
PLL
PLL with short lock-in time
High voltage VCO tuning output
Fast I2C bus
3 NPN bandswitch buffers
Internal LOW-MID/HIGH switch
Lock-in flag
Power-down reset
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TUA6022-K | 2-BAND, VIDEO TUNER, PDSO28 |
| TUA6022-S | 2-BAND, VIDEO TUNER, PDSO28 |
| TUA6022XS | 2-BAND, VIDEO TUNER, PDSO28 |
| TUA6024-K | 2-BAND, VIDEO TUNER, PDSO28 |
| TUA6024-S | 2-BAND, VIDEO TUNER, PDSO28 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TUA6020XT | 制造商:Infineon Technologies AG 功能描述:TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier 28-Pin TSSOP |
| TUA6024-2 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:2 Band TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier |
| TUA6030 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:3-Band TV Tuner IC |
| TUA6032 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:3-Band TV Tuner IC |
| TUA6034 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:3-Band Digital TV / Set-Top-Box Tuner IC TAIFUN |
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