Invention Grant
- Patent Title: Power amplifying apparatus and mobile communication terminal
- Patent Title (中): 功率放大装置和移动通信终端
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Application No.: US12423344Application Date: 2009-04-14
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Publication No.: US07928799B2Publication Date: 2011-04-19
- Inventor: Shigeo Kusunoki
- Applicant: Shigeo Kusunoki
- Applicant Address: JP Tokyo
- Assignee: Sony Ericsson Mobile Communications Japan, Inc.
- Current Assignee: Sony Ericsson Mobile Communications Japan, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2006-238118 20060901
- Main IPC: H03F1/14
- IPC: H03F1/14 ; H03F3/68
Abstract:
A power amplifying apparatus includes an input terminal configured to receive an input signal, a first power amplifier biased for class A or class AB operation which is configured to amplify the input signal, an output terminal connected to an output of the first power amplifier, a second power amplifier biased for class C operation which is configured to receive and amplify a part of the input signal, and a switch connected between an output of the second power amplifier and the output terminal.
Public/Granted literature
- US20090201085A1 POWER AMPLIFYING APPARATUS AND MOBILE COMMUNICATION TERMINAL Public/Granted day:2009-08-13
Information query
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