H03F2203/45148 - CPC Classification Index

ClassID:

219879 ⎘

H03F2203/45148 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to differential amplifiers At least one reactive element being added at the input of a dif amp

Recent Application in this class:

20200052664

2020-02-13

MATRIX POWER AMPLIFIER

20190288651

2019-09-19

Matrix power amplifier

20180123531

2018-05-03

Amplifier circuit with reduced feedforward current

20180097484

2018-04-05

Matrix power amplifier

20150078420

2015-03-19

Amplification circuit

20090186592

2009-07-23

RADIO RECEIVER AND RECEIVING SEMICONDUCTOR INTEGRATED CIRCUIT

20090160559

2009-06-25

INTEGRATED CIRCUIT INCLUDING IMPEDANCE TO PROVIDE SYMMETRICAL DIFFERENTIAL SIGNALS

20080024222

2008-01-31

Voltage level shifting circuit, a differential input stage circuit, and a method for providing a level shifted differential signal to a differential input buffer circuit

20070164794

2007-07-19

DIFFERENTIAL PAIR SIGNAL LINES MATCHING CIRCUIT