H03F1/483 - CPC Classification Index

ClassID:

219191 ⎘

H03F1/483 - CPC Classification

Classification description:

Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements; Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with field-effect transistors

Recent Application in this class:

20240039483

2024-02-01

AGING-AVERSE BANDWIDTH EXTENSION APPARATUS

20230361737

2023-11-09

CIRCUIT HAVING AN AMPLIFIER STAGE AND A CURRENT MIRROR LOOP OR STABILITY NETWORK

20230327615

2023-10-12

POWER AMPLIFIER SYSTEMS WITH BALUN AND SHUNT CAPACITOR

20230299729

2023-09-21

POWER AMPLIFIERS WITH BROADBAND MATCHING NETWORKS

20200127620

2020-04-23

Power amplifier and electronic device

20190312557

2019-10-10

WIDE-BAND AMPLIFIERS USING CLIPPER CIRCUITS FOR REDUCED HARMONICS

20190173435

2019-06-06

Wideband power amplifiers with harmonic traps

20190173431

2019-06-06

Amplifiers with in-package radial stub harmonic traps

20190074800

2019-03-07

Amplifier and reset method thereof

#10

20190036492

2019-01-31

Current switching circuit

#11

20180316318

2018-11-01

Differential amplifier with extended bandwidth and THD reduction

#12

20180294780

2018-10-11

Wide-band amplifiers using clipper circuits for reduced harmonics

#13

20180241351

2018-08-23

Linear amplifier having higher efficiency for envelope tracking modulator

#14

20180102749

2018-04-12

Ultra-broadband transimpedance amplifiers (tia) for optical fiber communications

#15

20180034420

2018-02-01

Amplifier adapted for noise suppression

#16

20180026588

2018-01-25

Doherty amplifier and power amplifier

#17

20170257069

2017-09-07

Systems for amplifying a signal using a transformer matched transistor

#18

20170040951

2017-02-09

Amplifier adapted for noise suppression

#19

20170026007

2017-01-26

Feedback compensation for multistage amplifiers

#20

20160142016

2016-05-19

Operational amplifier based circuit with compensation circuit block used for stability compensation

#21

20160056779

2016-02-25

Wideband bias circuits and methods

#22

20150091654

2015-04-02

High voltage wide bandwidth amplifier

#23

20150084694

2015-03-26

Buffer circuit having an enhanced slew-rate and source driving circuit including the same

#24

20150070095

2015-03-12

Wideband bias circuits and methods

#25

20150061768

2015-03-05

High speed amplifier

#26

20150028951

2015-01-29

Operational amplifier circuits

#27

20150002230

2015-01-01

Doherty amplifier

#28

20140292413

2014-10-02

Transimpedance pre-amplifier with improved bandwidth

#29

20140077878

2014-03-20

Folded-cascode amplifier

#30

20130187717

2013-07-25

RECEIVER EQUALIZATION CIRCUIT

#31

20130113565

2013-05-09

Linear differential amplifier with high input impedance

#32

20130063204

2013-03-14

Output signal circuit for use in a receiver

#33

20120049952

2012-03-01

WIDE BAND POWER AMPLIFIER

#34

20110133842

2011-06-09

Radio-frequency amplifier

#35

20110084766

2011-04-14

Wideband active circuit with feedback structure

#36

20100245151

2010-09-30

Wideband jammer detector

#37

20100237946

2010-09-23

Low noise amplifier circuit with noise cancellation and increased gain

#38

20100237941

2010-09-23

Wideband RF amplifiers

#39

20090295478

2009-12-03

Amplifier using impedance circuit for canceling cutoff

#40

20090146696

2009-06-11

Class-AB driver design with improved frequency response

#41

20090140815

2009-06-04

Low noise amplifier for ultra wide band

#42

20080272844

2008-11-06

Class AB folded-cascode amplifier having cascode compensation

#43

20080238548

2008-10-02

Differential feedback amplifier circuit with cross coupled capacitors

#44

20080024172

2008-01-31

Actively Compensated Buffering for High Speed Current Mode Logic Data Path

#45

20070164826

2007-07-19

Gain controllable low noise amplifier and wireless communication receiver having the same

#46

20070008035

2007-01-11

Wide-band high-gain limiting amplifier with parallel resistor-transistor source loads

#47

20060250190

2006-11-09

Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method

#48

20060170502

2006-08-03

Low noise amplifier for ultra wide band

#49

20060033579

2006-02-16

Trans-conductance amplification circuit, trans-conductance filter circuit, and filtering method

#50

20060022708

2006-02-02

Semiconductor device and camera using same

#51

20050156671

2005-07-21

Method and apparatus for compensating and improving efficiency in a variable power amplifier

#52

20050156670

2005-07-21

Method and apparatus for optimization of amplifier with adjustable output range

#53

20050083130

2005-04-21

Method and apparatus for increasing the linearity and bandwidth of an amplifier

#54

15582439

2018-05-22

Differential amplifier with extended bandwidth and THD reduction

#55

14506070

2016-03-01

High performance GaN operational amplifier with wide bandwidth and high dynamic range