Invention Grant
- Patent Title: Power amplification circuit having transformer
- Patent Title (中): 功率放大电路有变压器
-
Application No.: US12617488Application Date: 2009-11-12
-
Publication No.: US08134408B2Publication Date: 2012-03-13
- 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
- US20100148869A1 POWER AMPLIFICATION CIRCUIT HAVING TRANSFORMER Public/Granted day:2010-06-17
Information query
