H03F2200/39 - CPC Classification Index

ClassID:

219625 ⎘

H03F2200/39 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers Different band amplifiers are coupled in parallel to broadband the whole amplifying circuit

Recent Application in this class:

20240039482

2024-02-01

BROADBAND LNA STRUCTURE USING OFFSET ACTIVE COUPLED SEGMENTS

20230016198

2023-01-19

Multi-band power amplifier module

20200195208

2020-06-18

Multi-band power amplifier module

20190089317

2019-03-21

Broadband harmonic matching network

20180337643

2018-11-22

Multi-band power amplifier module

20180323751

2018-11-08

Amplifier arrangement and method

20170346577

2017-11-30

Monitoring system, monitoring method, and storage medium having monitoring program stored therein

20160248388

2016-08-25

System and method for a low noise amplifier module

20160191003

2016-06-30

Transmission apparatus and transmission method

#10

20150371770

2015-12-24

Broadband power amplifier having high efficiency

#11

20150207474

2015-07-23

Concurrent multi-band radio frequency amplifying circuit

#12

20150188504

2015-07-02

Amplifier device and corresponding radio base station and mobile communication terminal

#13

20150078484

2015-03-19

Predistortion correction method, predistortion correction apparatus, transmitter, and base station

#14

20140347123

2014-11-27

Amplifier

#15

20140266463

2014-09-18

LINEAR AMPLIFIER ARRANGEMENT FOR HIGH-FREQUENCY SIGNALS

#16

20140240039

2014-08-28

Enhanced doherty amplifier

#17

20140167864

2014-06-19

Tunable wide band driver amplifier

#18

20130200948

2013-08-08

Digital pre-distortion device and method for a broadband power amplifier

#19

20130057346

2013-03-07

Apparatus and method for low noise amplification

#20

20120293262

2012-11-22

Amplifier

#21

20120293259

2012-11-22

Amplifier

#22

20120287952

2012-11-15

APPARATUS AND METHODS FOR HIGH VOLTAGE AMPLIFICATION WITH LOW NOISE

#23

20120235734

2012-09-20

Enhanced Doherty amplifier

#24

20120126891

2012-05-24

Power amplification apparatus

#25

20120049952

2012-03-01

WIDE BAND POWER AMPLIFIER

#26

20120046004

2012-02-23

High performance transmitter preamplification chain with calibration feedback

#27

20110227642

2011-09-22

Parallel forward path cartesian feedback loop and loop filter with switchable order for cartesian feedback loops

#28

20110064171

2011-03-17

Multi-carrier amplifier linearization system and method

#29

20100277215

2010-11-04

Wideband voltage translators

#30

20090309659

2009-12-17

Solid-state ultra-wideband microwave power amplifier employing modular non-uniform distributed amplifier elements

#31

20090140815

2009-06-04

Low noise amplifier for ultra wide band

#32

20070115054

2007-05-24

Miniature dual band power amplifier with reserved pins

#33

20070024377

2007-02-01

Impedance matching techiques for multi-band or wideband RF amplifiers and associated amplifier designs

#34

20060290423

2006-12-28

Systems of miniaturized compatible radio frequency wireless devices

#35

20060170502

2006-08-03

Low noise amplifier for ultra wide band

#36

20060158253

2006-07-20

Multi-band power amplifier module for wireless communication devices

#37

20060158252

2006-07-20

Multi-band power amplifier module for wireless communication devices

#38

20060158251

2006-07-20

Multi-band power amplifier module for wireless communications

#39

20060158250

2006-07-20

Multi-band power amplifier module for wireless communication devices

#40

20060119433

2006-06-08

High frequency amplifier

#41

20060061415

2006-03-23

Low voltage broadband gain cell

#42

20050280472

2005-12-22

Method and apparatus to provide wideband low noise amplification

#43

20050270098

2005-12-08

General-purpose wideband amplifier

#44

20050225390

2005-10-13

Amplifier having switchable negative feedback

#45

20050009484

2005-01-13

High frequency power amplifier module and semiconductor integrated circuit device

#46

17400552

2024-04-02

Broadband power combiner/splitter with low losses

#47

15709593

2018-11-06

Broadband harmonic matching network