Maxim’s new MAX3542 complete single-conversion television tuner is designed for use in analog/digital terrestrial applications and digital set-top boxes. It draws only 760 mW of power from a 3,3 V supply voltage and is designed to convert PAL or DVB-T signals in the 47 MHz to 862 MHz band to an intermediate frequency (IF) of 36 MHz. The device includes a variable-gain low-noise amplifier (LNA), multiband tracking filters, a harmonic-rejection mixer, a low-noise IF amplifier, an IF power detector and a variable-gain IF amplifier. It also includes fully monolithic VCOs and tank circuits, as well as a complete frequency synthesiser. This highly integrated design allows for low-power tuner-on-board applications without the cost and power dissipation issues of dual-conversion tuner solutions. The MAX3542 is specified for operation in the
0°C to +70°C temperature range and is available in a lead-free 48-pin flip-chip package.
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