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Module tunes in to DVB-H, T-DMB

Posted: 30 May 2007 ?? ?Print Version ?Bookmark and Share

Keywords:DVB-H T-DMB? dual-mode tuner modules? Japan One-Seg?

<a href=Sharp's VA3B5EZ915 dual-mode tuner module " ALIGN="RIGHT">

Sharp Corp.'s VA3B5EZ915 dual-mode tuner module is said to be the first device of its kind capable of receiving both DVB-H and T-DMB terrestrial digital broadcasts.

In Japan, One-Seg terrestrial digital broadcasts for mobile devices began in April 2006 and it is projected that total domestic shipments of One-Seg-compatible cellphones will exceed 10 million units by midyear. Similar services have begun worldwide, including DVB-H broadcasting in Europe and T-DMB broadcasting in Korea and some parts of Europe. Moreover, the market for terrestrial digital broadcasting for mobile devices is expected to grow outside of Japan as well.

Capitalizing on this growth, Sharp said that its device offers the industry's lowest power consumption at 43mW and boasts a compact, thin-profile package size of only 8-by-8-by-1.25mm and meets the demands for intelligent compact tuner modules for mobile devices.

The VA3B5EZ915 tuner module for DVB-H/T-DMB terrestrial digital broadcast reception features an output format IP packet and has receiving frequency spectrums (center frequency) with GSM interference removal filter built-in. It receives frequency for VHF (174-245MHz), UHF (474-746MHz) and L-band (1,450-1,492MHz and 1,660-1,685MHz).

The chip also has a built-in OFDM demodulation. It offers an input sensitivity for DVB-H reception of -97.5dBm typ. (8MHz, QPSK, code rate = 0.5). For T-DMB reception, it offers an input sensitivity of -102dBm typ. (VHF, Mode I) and -101dBm typ. (L-band, Mode I).

VA3B5EZ915 requires a supply voltage of1.8V (RF), 1.2V (OFDM core) and features an I/O supply voltage of 1.8-3.6V. The device's power consumption for DVB-H reception is 43mW (typ. during time slice) and 190 mW (typ.) for T-DMB reception. The device also has SDIO and SPI control interfaces.

Samples will be available in July. Volume pricing starts at $164.65.




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