MAX3543: a Broadband and Multistandard Silicon Tuner for Worldwide Hybrid TVs

The MAX3543 is a broadband, multistandard silicon tuner for worldwide hybrid TVs, as well as terrestrial and cable set-top boxes. Developed using Maxim’s high-performance BiCMOS process technology, this device offers best-in-class tuner performance using a standard IF architecture that ensures < -70dBc spurs. With the MAX3543, customers can use a single silicon pinout for all major worldwide television standards. The MAX3543 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. The MAX3543 is available in a small, 6mm x 6mm, thin QFN package, and the application circuit fits in 20mm x 25mm on a two-layer board with single-sided component mounting…

MAX3543 – hybrid broadband single-conversion television tuner IC
(Photo from Maxim Website)