Invention Grant
- Patent Title: Doherty amplifier
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Application No.: US15546908Application Date: 2016-02-04
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Publication No.: US10218315B2Publication Date: 2019-02-26
- Inventor: Xavier Bruno Jean Moronval
- Applicant: Ampleon Netherlands B.V.
- Applicant Address: NL Nijmegen
- Assignee: Ampleon Netherlands B.V.
- Current Assignee: Ampleon Netherlands B.V.
- Current Assignee Address: NL Nijmegen
- Agency: McDonnell Boehnen Hulbert & Berghoff LLP
- Priority: EP15153816 20150204
- International Application: PCT/EP2016/052423 WO 20160204
- International Announcement: WO2016/124707 WO 20160811
- Main IPC: H03F3/68
- IPC: H03F3/68 ; H03F1/02 ; H03F1/56 ; H03F3/24 ; H03F3/60 ; H03F3/195 ; H03F3/213

Abstract:
Embodiments described herein relate to a Doherty amplifier. The Doherty amplifier may include a main amplifier and a first peak amplifier, a second peak amplifier, and a third peak amplifier, each amplifier having an input and an output. The Doherty amplifier may also include a combining network configured for combining signals emerging at outputs of the amplifiers. The signals are combined at a combining node. The combining network includes a first impedance inverter arranged in between the output of the main amplifier and the output of the third peak amplifier. The combining network also includes a second impedance inverter arranged in between the output of the first peak amplifier and the output of the second peak amplifier. The combining network also includes a first 180 degrees phase shifter and a second 180 degrees phase shifter. Additionally, the combining network includes a third impedance inverter.
Public/Granted literature
- US20180034419A1 Doherty Amplifier Public/Granted day:2018-02-01
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