发明名称 Fast charge circuit for use in amplifiers
摘要 According to an exemplary embodiment, an amplification module includes a bias circuit coupled to an input of an amplifier, where the bias circuit is configured to charge the input of the amplifier to a final bias voltage. The amplification module further includes a fast charge circuit configured to provide a low impedance path between the bias circuit and the input of the amplifier when a voltage at the input of the amplifier is less than the final bias voltage, thereby reducing an enable time of the amplifier. The fast charge circuit is further configured to open the low impedance path when the voltage at the input of the amplifier is substantially equal to the final bias voltage. The fast charge circuit includes a comparator configured to cause the low impedance path to open when the voltage at the input of the amplifier is substantially equal to a reference voltage.
申请公布号 US7477101(B2) 申请公布日期 2009.01.13
申请号 US20070788530 申请日期 2007.04.19
申请人 SKYWORKS SOLUTIONS, INC. 发明人 WYSE RUSSELL
分类号 H03F1/14 主分类号 H03F1/14
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