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MAX3543 - Multiband Analog and Digital Television Tuner

Description

The MAX3543 hybrid broadband single-conversion television tuner is designed for use in analog (PAL, SECAM) + digital (DVB-T, GB20600) television sets and terrestrial receivers.

It receives all television bands from 47MHz to 862MHz and converts the selected channel to an industry-standard 36MHz IF.

Features

  • S Standard IF Architecture Ensures < -70dBc Spurs S Integrated RF Tracking Filter S Integrated IF Bandpass Filter S Full-Band Coverage (47MHz to 862MHz) S 70dB Image Rejection S 4dB Noise Figure S Fast-Locking, Low Phase-Noise PLL Supports 256QAM S Crystal Oscillator and Buffer/Divider to Drive Baseband IC S 745mW Power Dissipation Ordering Information PART MAX3543CTL+ TEMP RANGE 0NC to +70NC PIN-.

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Full PDF Text Transcription

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MAX3543 19-4985; Rev 2; 7/10 EVAALVUAAILTAIOBNLEKIT Multiband Analog and Digital Television Tuner General Description The MAX3543 hybrid broadband single-conversion television tuner is designed for use in analog (PAL, SECAM) + digital (DVB-T, GB20600) television sets and terrestrial receivers. It receives all television bands from 47MHz to 862MHz and converts the selected channel to an industry-standard 36MHz IF. The MAX3543 includes a variable-gain low-noise input amplifier; an RF tracking filter; an image rejection mixer; a peak detector; an optional internal, self-contained RF gain-control loop (RFAGC); a VCO with fractional-N PLL; an IF bandpass filter; an IF variable-gain amplifier; separate analog and digital IF outputs; and a crystal oscillator.
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