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參數資料

Preliminary Data Sheet

TUA6026, TUA6028

Semiconductor Group

2.6.99

Functional Description

The TUA6026, TUA6028 device combines a digitally programmable phase locked loop (PLL), with a mixer-

oscillator block including two balanced mixers and oscillators for use in TV tuners.

The PLL block with four hard-switched chip addresses forms a digitally programmable phase locked loop. With

a 4 MHz quartz crystal, the PLL permits precise setting of the frequency of the tuner oscillator up to

900 MHz in increments of 62.5 kHz. The tuning process is controlled by a microprocessor via an I2C bus. The

device has four output ports, two of them (P0 and P1) can also be used as TTL input ports. A ag is set when

the loop is locked. The input ports and lock ag 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 frequency and amplitude-stable balanced oscillators for VHF,

HYPER and UHF, a low-noise reference voltage source and a band switch.

Application

The IC is suitable for NTSC and PAL tuners in TV- and VCR-sets or cable set-top receivers for analog TV and

Digital Video Broadcasting.

相關代理商/技術參數	參數描述
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
TUA6034_06	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
TUA6034DEMOBOARD	制造商:Infineon Technologies AG 功能描述:

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