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대한전자공학회 CDMA International Conference and Exhibition CDMA International Conference and Exhibition 제2권
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    초록·키워드

    Dual-band power amplifier for a mobile phone to be simultaneously working at a dual band , 800MHz Cellular and PCS was realized by filters and matching circuits. a DC operating point of a power FET is limited to class-B to extend battery life, so that max. operating current of 120mA at a real working power range, below 10dBm were obtained. The power amplifier has achieved module size of 0.96CC(22×14.5×3 mm³) and adjacent channel power rejection(ACPR) performance to meet IS-95 requirement at output powers, 28dBm and 23.5dBm for these CDMA system, respectively.

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      UCI(KEPA) : I410-ECN-0101-2009-569-013221922