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SDR chip supports multiple digital radio standards - DRM, HD Radio and DAB

January 10, 2014 | Christoph Hammerschmidt | 222904614
SDR chip supports multiple digital radio standards - DRM, HD Radio and DAB Digital technology is about to displace FM and AM reception in the infotainment system, and this trend is gaining momentum. A growing number of car OEMs and Tier 1 suppliers are already offering in-car digital radio systems. With the introduction of a multi-standard software-defined radio co-processor capable of decoding all three major digital terrestrial radio standards including Digital Radio Mondiale (DRM), HD Radio and DAB/DAB+/T-DMB, NXP Semiconductors is set to accelerate this trend.
NXP's latest SAF360x series – code-named 'Saturn' – enhances digital audio quality via features such as Maximum Ratio Combining for DAB and HD Radio, and scalability for single, dual and triple tuner use designs. The SAF360x platform also offers a very high level of integration, replacing up to six chips with a single IC and reducing the footprint of the automotive digital radio application by over 75% for considerable cost savings.

Car manufacturers are expected to go into production with the first digital radio systems based on the SAF360x this year.

By using software-defined radio, the SAF360x series offers – like its predecessor, the SAF356x – a cost-effective platform that allows the same hardware to be used to decode multiple standards. Currently supporting the three most popular digital terrestrial radio standards including HD Radio, DAB / DAB+ / T-DMB and DRM, this versatile platform could also be used to support new digital radio standards that emerge in the future.

The SAF360x is the such chip to support in-vehicle DRM reception, offering a cost-effective solution for OEMs and Tier 1 suppliers introducing in-car digital radio systems in emerging markets including India, Russia and Brazil. DRM proponents claim that thus technique brings FM-quality audio in AM bands. The SAF360x is also the first automotive-quality chipset including two on-board DAB tuners and memory. With support for up to three tuner inputs, the chipset can be used for DAB, Maximum Ratio Combining (MRC) and background scan or data services. Using advanced wideband technology and proprietary software algorithms available, the SAF360x solution provides fast DAB scanning and sync time, enhanced tuner sensitivity and seamless DAB-FM-DAB blending without users having to worry about losing reception.

For more information visit http://www.nxp.com/products/media_processors/digital_radio_processors/series/SAF360X.html









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