发明名称 METHOD AND APPARATUS FOR DIRECT DIGITAL TO RADIO FREQUENCY CONVERSION
摘要 A method and apparatus for direct conversion of digital data to high power RF signals, known as DDRF. The method and apparatus receive a digital signal, create a digital modulated signal therefrom, and amplify the modulated signal with an H-bridge Power Amplifier for transmission. DDRF uses a multi-level H-bridge amplification circuit to establish a more power efficient digital transmitter.
申请公布号 US2009153242(A1) 申请公布日期 2009.06.18
申请号 US20070958978 申请日期 2007.12.18
申请人 MOTOROLA, INC. 发明人 CYGAN LAWRENCE F.;WILLIAMS CURTIS M.;KHAN ANDREW M.
分类号 H03F3/38 主分类号 H03F3/38
代理机构 代理人
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