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Communication semiconductor integrated circuit device for use in a mobile communication device for correcting variations in the oscillation frequency of a transmission oscillator by calibrating a current of the charge pump Grant 7,450,921 - Arayashiki , et al. November 11, 2 | 2008-11-11 |
Method of ramping up output level of power amplifier of radio communication system, communication semiconductor integrated circuit, and radio communication system Grant 7,324,787 - Kurakami , et al. January 29, 2 | 2008-01-29 |
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