H03G 3/14

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9608422 Electrical box replacement cover method and apparatusJul 28, 14Mar 28, 17Not available
7639074 Linear programmable switch-capacitance gain amplifierJan 23, 08Dec 29, 09HOLTEK SEMICONDUCTOR INC.
6313698 Method and apparatus for wireless phone transmit power amplification with reduced power consumptionSep 24, 99Nov 06, 01QUALCOMM INCORPORATED
5304946 Amplifier circuit having an operation point maintaining input and output voltages constant even if a gain thereof is variedOct 18, 91Apr 19, 94HITACHI, LTD.
4210873 Gain and impedance switching circuit for an amplifierAug 23, 78Jul 01, 80SONY CORPORATION