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參數資料
| 型號： | TUA6024 |
| 廠商： | SIEMENS AG |
| 英文描述： | 2 Band TV Tuner Mixer-Oscillator-PLL with balanced IF-Amplifier(2波段TV調諧器(包含混頻器,振蕩器和鎖相環(huán))) |
| 中文描述： | 2波段電視調諧器混頻器振蕩器與均衡的中頻放大器（2波段電視調諧器（包含混頻器，振蕩器和鎖相環(huán)）鎖相環(huán)） |
| 文件頁數： | 6/34頁 |
| 文件大?。?/td> | 631K |
| 代理商： | TUA6024 |
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Product Description
2 - 2
TUA6024
Wireless Components
Specification, December 1999
2.1
General Description
The
TUA6024
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 900 MHz in increments of
31.25, 50 or 62.5 kHz. The tuning process is controlled by a microprocessor via
an I
2
C 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 I
2
C 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
I
Suitable for analog and digital terrestrial TV tuner
I
Full ESD protection
Mixer/Oscillator
I
High impedance mixer input for LOW/MID band
I
Low impedance mixer input for HIGH band
I
4 pin oscillator for LOW/MID band
I
4 pin oscillator for HIGH band
IF-Amplifier
I
balanced SAW preamplifier
I
Low output impedance
PLL
I
PLL with short lock-in time
I
High voltage VCO tuning output
I
Fast I
2
C bus
I
3 NPN bandswitch buffers
I
Internal LOW-MID/HIGH switch
I
Lock-in flag
I
Power-down reset
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相關代理商/技術參數 |
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| 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 |
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| 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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