New MxL608 Lowers Cost Of DVB-T, DTMB TV And STB Designs

MaxLinear Inc. (NYSE: MXL), a leading provider of integrated radio frequency (RF) and mixed-signal integrated circuits for broadband communications applications, today announced the MxL608, a high-performance digital television tuner that is optimized for cost-sensitive DVB-T and DTMB applications.

The MxL608 is part of MaxLinear’s MxL600 “super radio” family of 4 mm x 4 mm, 65nm pure digital CMOS tuners with superior tuning sensitivity, and is ideal for digital converter set-top boxes (STB), digital-television sets and free-to-air STBs.

The device is pin- and software-compatible with MaxLinear’s successfully launched MxL603 tuner, which is in high-volume production. Designs based on the MxL608 do not require any balun, thereby significantly reducing board space and lowering overall bill of material (BOM) cost. The MxL608 also offers best-in-class rejection of out-of-band interference from 4G/LTE, WiFi, MoCA and EoC signals, without the cost, space and design complexity of external filters.

“The digital terrestrial television market is seeing a significant evolution with the continuing analog switch-offs happening across the world and the debut of new HD free-to-air services – all of which require very competitively priced STBs that can deliver top performance,” said Brian Sprague, MaxLinear’s Vice President and General Manager for Broadband and Consumer Products. “With the MxL608, MaxLinear started with the best of our technology and adapted it into a tuner that delivers superior performance and low power consumption at a price point that is very competitive in the ultra-low cost market segments.”

Technical Highlights

The MxL608 features an integrated RF loop-through, an accurate input power detector and was specifically designed to exceed the requirements of DVB-T and DTMB terrestrial broadcast standards.

The MxL608 delivers best-in-class typical noise figure of 4.2 decibels (dB). The device also includes MaxLinear’s blocker immunity technology for advanced filtering of strong signals from adjacent channels. The superior phase noise performance provides assurance to set-top box manufacturers that current products will meet future tuner specifications as they evolve.

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