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Fujitsu Develops Technology Enabling Prolonged Viewing of Digital Terrestrial Broadcasts on Mobile Phones Fujitsu Limited today announced the development of a low-power analog to-digital (AD) converter that employs a delta-sigma modulator for mobile phones that are capable of receiving digital terrestrial television and radio broadcasts. The new delta-sigma modulator-based AD converter can reduce power consumption levels of tuners embedded in mobile phones to 30 milliwatts (mW), approximately one-sixth to one-third the power drain of current levels, thereby enabling prolonged viewing of terrestrial digital broadcasting on mobile phones by significantly lessening the power consumption of mobile phone batteries.
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