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Digital radio receiver unifies RF tuner, base band functions

25 Apr 2013

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Silicon Labs has recently introduced a digital radio receiver which integrates an RF tuner and base band functions on a single die. The Si468x digital radio receiver brings FM, HD Radio and DAB/DAB+ broadcast capabilities to a wide range of consumer audio applications, from simple clock radios and personal media players to high end multimedia devices with displays.

The Si468x family enables developers to reduce system cost, size, and complexity by integrating most of the external components needed to build a digital radio receiver system. A WLCSP (wafer-level chip-scale package) option supports space-constrained designs, enabling a complete digital radio receiver system with only 12 external components to be implemented in less than 100 square millimeters. The receivers provide auto-calibrated digital tuning and FM seek based on multiple signal-quality and band parameters, as well as noise blanking, configurable FM soft mute, FM de-emphasis, and FM hi-cut filtering.

Additionally, the device provides low-power operation, consuming less than 60mW in analogue FM mode and less than 95mW in HD Radio and DAB/DAB+ modes.

Samples and production quantities of the Si468x are available now in two package types: a 7×7mm 48-pin QFN and a 3.2×3.8mm WLCSP. Prices start at $5.62 in lots of 10,000 units. Evaluation kits are also available for $550.

Further information regarding the Si468x digital radio receiver can be found here.

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