Sony Shows MS TV Tuner Prototype
A photographer caught pictures of a Sony TV Tuner memory stick accessory being shown at CeBit. Late last year, Sony Japan announced that it has developed some of the smallest TV tuner chips designed for PDAs and other mobile devices. When integrated with a mobile device the user would be able to receive and view live broadcast television.
The chips announced last year, are the main components that would enable TV reception on mobile devices. Both chips can receive a common radio signal input for VHF (1-12 channel) and UHF (13-62 channel), with an impressive signal/noise ratio of 47 dB. The 401 model achieves this with a low 0.8w power consumption.
The chip – BTF-ZJ401 has just a 1.5 ml volume (25x20x3mm, 3.5g), which is roughly 1/25th the size of other chips on the market today. The main problem for designers of such a small radio units is that it usually contains many induction coils; size of those cannot be reduced endlessly. Sony developed a special chip transforming the radio signal in order to replace all the external coils. Both tuners have a digital interface for simple integration into other digital devices as PDA, laptops and tablet PCs.
A Sony spokesperson stated that the TV Tuner card shown at CeBit was a product concept mock up. As of now, Sony has no plans to commercialize the device.
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