US Patent 7567126 Variable gain amplifier and control method thereof
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Patent Inventor Names
Tomoyuki Arai0
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Patent abstract
A variable gain amplifier has a first amplifier circuit (106) having a first field-effect transistor and amplifying a signal input to a gate of the first field-effect transistor to output; a gate bias control circuit (102) controlling a gate bias of the first amplifier circuit to control a gain of the first amplifier circuit; and a variable matching circuit (103) controlling a capacitor connected to the gate of the first amplifier circuit to control the gain of the first amplifier circuit.
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US Patent 07567126 Variable gain amplifier and control method thereof US Patent 7567126 Variable gain amplifier and control method thereof
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Patent Number
075671260
Patent Number
75671260
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Patent Jurisdiction
Patent Number
075671260
Date of Patent
July 28, 2009
0Patent Application Number
120583540
Date Filed
March 28, 2008
0Official Website
Patent Primary Examiner
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US Patent 07567126 Variable gain amplifier and control method thereof
Infobox
Is a
Patent jurisdiction
Patent number
07567126
Date of patent
July 28, 2009
Patent application number
12058354
Date Filed
March 28, 2008
Patent primary examiner
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