US Patent 8963632 High-frequency power amplifier with doherty extension
Patent 8963632 was granted and assigned to Rohde & Schwarz GmbH & Co. KG on February, 2015 by the United States Patent and Trademark Office.
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Patent abstract
A high-frequency power amplifier comprises a broadband amplifier (30), a Doherty extension (31) and a coupling device (33). In this context, the broadband amplifier (30) provides a power splitter (34), a main amplifier path (64) and an auxiliary amplifier path (65). The Doherty extension (32) provides a first offset line (60), a second offset line (61) and an impedance inverter (62). The broadband amplifier (30) amplifies an input signal and supplies the amplified signal to the Doherty extension (31) or to the coupling device (33).
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US Patent 08963632 High-frequency power amplifier with doherty extension US Patent 8963632 High-frequency power amplifier with doherty extension
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Patent Number
0896363200
Patent Number
896363200
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
089636320
Date of Patent
February 24, 2015
0Patent Application Number
138142070
Date Filed
August 3, 2011
0Official Website
Patent Primary Examiner
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
089636320
Date of Patent
February 24, 2015
0Patent Application Number
138142070
Date Filed
August 3, 2011
0Official Website
Patent Primary Examiner
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US Patent 08963632 High-frequency power amplifier with doherty extension
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08963632
Date of patent
February 24, 2015
Patent application number
13814207
Date Filed
August 3, 2011
Patent primary examiner
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