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DAB baseband receiver IC enables space, cost savings

Posted: 06 Sep 2006 ?? ?Print Version ?Bookmark and Share

Keywords:Frontier Silicon? Chorus 2 FS1020? DAB? baseband receiver? digital radio?

Mobile TV and digital radio chip provider Frontier Silicon has launched a highly integrated SoC that promises to enable next-generation DAB digital radio-based products. The Chorus 2 FS1020 is a programmable DAB baseband receiver providing significant space, cost and power savings on a typical radio or mobile handheld devices, the company said. The chip is now in mass production and products using the chip are expected in early 2007.

According to Frontier, the key benefit of the Chorus 2 IC is the level of integration, which provides up to 40 percent space savings on the board real-estate and 35 percent cost savings on the system BOM. The chip has 640Kbytes of integrated memory, enabling it to run value added features without requiring external memory. The advanced chip architecture also promises up to 50 percent power consumption savings compared to other integrated DAB baseband receivers currently available.

The additional processing power available on the chip allows manufacturers to create convergence products at lower cost than is possible at present, Frontier said. Typical of the products that will be enabled with Chorus 2 are DAB radios merged with other audio functionality, such as combined DAB/FM/MP3/WMA/AAC digital music players, DAB radios with USB 2.0 OTG connectivity for high speed file transfer and firmware upgrade, Internet radios, digital music servers and jukeboxes, and multimedia-enhanced PDAs.

The new baseband receiver covers a number of physical layer standards, particularly those utilizing COFDM modulation. It uses a Meta122 CPU with DSP capabilities, which is based on a multithreaded architecture capable of executing multiple DSP tasks on the same core without cross-task interference.

Chorus 2 integrates peripheral features on-chip, such as the USB 2.0 OTG interface, support for TFT and LCD displays, ATA/ATAPI interface for hard-disk storage, and NAND Flash, memory stick and SD interfaces.

The device is available today in a package that measures 13-by-13-by-1.7mm.




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