Invention Grant
- Patent Title: Power amplification circuit having transformer
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Application No.: US13367121Application Date: 2012-02-06
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Publication No.: US08330544B2Publication Date: 2012-12-11
- Inventor: Tsuyoshi Kawakami , Akihiko Furukawa , Satoshi Yamakawa , Tetsuya Iida , Masao Kondo , Yutaka Hoshino
- Applicant: Tsuyoshi Kawakami , Akihiko Furukawa , Satoshi Yamakawa , Tetsuya Iida , Masao Kondo , Yutaka Hoshino
- Applicant Address: JP Kanagawa
- Assignee: Renesas Electronics Corporation
- Current Assignee: Renesas Electronics Corporation
- Current Assignee Address: JP Kanagawa
- Agency: McDermott Will & Emery LLP
- Priority: JP2008-316891 20081212
- Main IPC: H03F3/26
- IPC: H03F3/26
Abstract:
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.
Public/Granted literature
- US20120133431A1 POWER AMPLIFICATION CIRCUIT HAVING TRANSFORMER Public/Granted day:2012-05-31
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