发明授权
- 专利标题： Power amplification circuit having transformer
- 专利标题（中）： 功率放大电路有变压器
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申请号： US12617488申请日： 2009-11-12
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公开(公告)号： US08134408B2公开(公告)日： 2012-03-13
- 发明人: Tsuyoshi Kawakami , Akihiko Furukawa , Satoshi Yamakawa , Tetsuya Iida , Masao Kondo , Yutaka Hoshino
- 申请人： Tsuyoshi Kawakami , Akihiko Furukawa , Satoshi Yamakawa , Tetsuya Iida , Masao Kondo , Yutaka Hoshino
- 申请人地址： JP Kanagawa
- 专利权人： Renesas Electronics Corporation
- 当前专利权人： Renesas Electronics Corporation
- 当前专利权人地址： JP Kanagawa
- 代理机构： McDermott Will & Emery LLP
- 优先权： JP2008-316891 20081212
- 主分类号： H03F3/26
- IPC分类号： H03F3/26
摘要：
In order to realize a wider bandwidth of a frequency characteristic of a power amplification circuit, outputs of differential push-pull amplifiers which are matched at respectively different frequencies are combined together by secondary inductors, and the combined signal is outputted.
公开/授权文献
- US20100148869A1 POWER AMPLIFICATION CIRCUIT HAVING TRANSFORMER 公开/授权日：2010-06-17
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