发明名称 Amplifier circuit and gain control method thereof
摘要 An amplifier circuit is provided with a control section that respectively selectively supplies either a second voltage or a third voltage to gates of a plurality of second transistors and gates of a plurality of third transistors by respectively switching the connection states of a plurality of first switching elements and a plurality of second switching elements to their first input terminal sides or to their second input terminal sides.
申请公布号 US7456689(B2) 申请公布日期 2008.11.25
申请号 US20070689116 申请日期 2007.03.21
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 SHIMIZU YUTAKA
分类号 H03G3/10 主分类号 H03G3/10
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