Invention Grant
- Patent Title: Enhanced Doherty amplifier
- Patent Title (中): 增强型Doherty放大器
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Application No.: US13049312Application Date: 2011-03-16
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Publication No.: US08749306B2Publication Date: 2014-06-10
- Inventor: Raymond Sydney Pengelly
- Applicant: Raymond Sydney Pengelly
- Applicant Address: US NC Durham
- Assignee: Cree, Inc.
- Current Assignee: Cree, Inc.
- Current Assignee Address: US NC Durham
- Agency: Withrow & Terranova, P.L.L.C.
- Main IPC: H03F3/68
- IPC: H03F3/68

Abstract:
The disclosure relates to an enhanced Doherty amplifier that provides significant performance improvements over conventional Doherty amplifiers. The enhanced Doherty amplifier includes a power splitter, combining node, a carrier path, and a peaking path. The power splitter is configured to receive an input signal and split the input signal into a carrier signal provided at a carrier splitter output and a peaking signal provided at a peaking splitter output. The carrier path includes carrier power amplifier circuitry, a carrier input network coupled between the carrier splitter output and the carrier power amplifier circuitry, and a carrier output network coupled between the carrier power amplifier circuitry and the Doherty combining node. The peaking path includes peaking power amplifier circuitry, a peaking input network coupled between the peaking splitter output and the peaking power amplifier circuitry, and a carrier output network coupled between the power amplifier circuitry and the Doherty combining node.
Public/Granted literature
- US20120235734A1 ENHANCED DOHERTY AMPLIFIER Public/Granted day:2012-09-20
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