H03F2203/45682 - CPC Classification Index

ClassID:

220146 ⎘

H03F2203/45682 - 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 the LC comprising one or more op-amps

Recent Application in this class:

20170346456

2017-11-30

Active RC filters

20170310290

2017-10-26

Amplifiers

20160344352

2016-11-24

Instrumentation amplifier with digitally programmable input capacitance cancellation

20160294336

2016-10-06

Balanced differential transimpedance amplifier with single ended input and balancing method

20160190998

2016-06-30

Amplifier circuit

20150078482

2015-03-19

Transformer-based RF power amplifier

20140104000

2014-04-17

Feed-forward circuit to prevent phase inversion

20140010385

2014-01-09

Differential amplifier

20130135049

2013-05-30

Incremental gain amplifier

#10

20130015916

2013-01-17

Common-mode step response for autozero amplifiers

#11

20120229214

2012-09-13

Amplifier circuit and method

#12

20110199129

2011-08-18

Line driver with reduced dependency on process, voltage, and temperature

#13

20110095823

2011-04-28

Incremental gain amplifier

#14

20110085621

2011-04-14

Receiver

#15

20100225362

2010-09-09

Reduced line driver output dependency on process, voltage, and temperature variations

#16

20100127736

2010-05-27

Low voltage differential signaling driver with programmable on-chip resistor termination

#17

20100045378

2010-02-25

Commutating auto zero amplifier

#18

20090322428

2009-12-31

Tunable linear operational transconductance amplifier

#19

20090267639

2009-10-29

Input cancellation circuit

#20

20090191833

2009-07-30

High performance CMOS radio frequency receiver

#21

20090160525

2009-06-25

Level shift circuit

#22

20090096523

2009-04-16

Differential amplification circuit

#23

20090091385

2009-04-09

Differential amplifier circuit

#24

20090079502

2009-03-26

Differential circuit providing a function to cancel input offset voltage

#25

20090027126

2009-01-29

Method for adaptive biasing of fully differential gain boosted operational amplifiers

#26

20080218265

2008-09-11

Amplifier structures that enhance transient currents and signal swing

#27

20080036538

2008-02-14

RAIL-TO-RAIL CLASS AB AMPLIFIER

#28

20070252647

2007-11-01

Operational amplifier

#29

20070241819

2007-10-18

Low-Offset, Wide Common Mode Range, Cascoded-Gain Single Stage Amplifier

#30

20070228258

2007-10-04

Amplifier circuit and optical pickup device

#31

20070085608

2007-04-19

Differential amplifier, digital-to-analog converter, and display device

#32

20060238243

2006-10-26

Differential amplifier, data driver and display

#33

20060238242

2006-10-26

Differential amplifier and data driver for display

#34

20060091954

2006-05-04

Method and system for common mode feedback circuitry for RF buffers

#35

20050248404

2005-11-10

Variable-gain amplifier having error amplifier with constant loop gain

#36

20050093630

2005-05-05

Power level controlling of first amplification stage for an integrated RF power amplifier

#37

20050093629

2005-05-05

Differential amplifying circuit

#38

20050083126

2005-04-21

Method and circuit for a dual supply amplifier

#39

20050024149

2005-02-03

Apparatus and method for converting a fully-differential class-AB input signal to a rail-to-rail single ended output signal

#40

20050004482

2005-01-06

Amplified system for determining parameters of a patient