ClassID:

219964

H03F2203/45318 - 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 AAC comprising a cross coupling circuit, e.g. two extra transistors cross coupled

Recent Application in this class:
#1
20220239265
2022-07-28

Differential amplifier circuitry

#2
20220231643
2022-07-21

Differential amplifier circuitry

#3
20210288622
2021-09-16

Method of forming a semiconductor device and circuit

#4
20200389137
2020-12-10

Differential amplifier circuitry

#5
20200373895
2020-11-26

Programmable Gain Amplifier

#6
20190348958
2019-11-14

Low-voltage differential signaling (LVDS) receiver circuit and a method of operating the LVDS receiver circuit

#7
20190267946
2019-08-29

Method and apparatus for using back gate biasing for power amplifiers for millimeter wave devices

#8
20190207572
2019-07-04

Down-conversion mixer

#9
20190204863
2019-07-04

Reference voltage generator

#10
20180278222
2018-09-27

Power amplification circuit

#11
20180212576
2018-07-26

Transconductance amplifier and phase shifter

#12
20180069510
2018-03-08

Frequency selective low noise amplifier circuit

#13
20180034420
2018-02-01

Amplifier adapted for noise suppression

#14
20170317696
2017-11-02

Receiving a plurality of radio frequency bands

#15
20170117863
2017-04-27

Variable gain amplifier and driver implementing the same

#16
20170054456
2017-02-23

Receiving a plurality of radio frequency bands

#17
20170040951
2017-02-09

Amplifier adapted for noise suppression

#18
20160248380
2016-08-25

Differential switched capacitor circuits having voltage amplifiers, and associated methods

#19
20160156314
2016-06-02

Self-timed differential amplifier

#20
20160126896
2016-05-05

Transformer feedback amplifier

#21
20150349721
2015-12-03

Neutralization of parasitic capacitance using MOS device

#22
20140312973
2014-10-23

Low noise amplifier

#23
20140312971
2014-10-23

Differential amplifier circuit

#24
20140300417
2014-10-09

Amplifiers with boosted or deboosted source degeneration inductance

#25
20140253234
2014-09-11

Differential power amplifier using mode injection

#26
20140232462
2014-08-21

Power amplifier using differential structure

#27
20140218073
2014-08-07

Driver for high speed electrical-optical modulator interface

#28
20140112418
2014-04-24

Receiver using impedance shaping

#29
20130300502
2013-11-14

Variable-gain low noise amplifier

#30
20130278337
2013-10-24

Differential signal correction circuit

#31
20130266156
2013-10-10

Sensor amplifier arrangement and method for amplification of a sensor signal

#32
20130249639
2013-09-26

Folded cascode amplifier with an enhanced slew rate

#33
20130154726
2013-06-20

Second order active high-pass filter with cross-coupled feedback for Q enhancement

#34
20130135042
2013-05-30

Broadband linearization by elimination of harmonics and intermodulation in amplifiers

#35
20130134988
2013-05-30

Method and system for high gain auto-zeroing arrangement for electronic circuits

#36
20130113569
2013-05-09

Cross-coupled multipath feedforward operational amplifiers

#37
20130113565
2013-05-09

Linear differential amplifier with high input impedance

#38
20130113563
2013-05-09

Gain enhancement for cascode structure

#39
20130093494
2013-04-18

Differential current buffer

#40
20130070870
2013-03-21

Digital pre-distortion filter system and method

#41
20130057344
2013-03-07

DIFFERENTIAL RF AMPLIFIER

#42
20130049845
2013-02-28

Differential integrated input circuit

#43
20130038396
2013-02-14

Radio frequency amplifier in communication system and method of controlling the same

#44
20130033321
2013-02-07

High efficiency power amplifier

#45
20120294055
2012-11-22

Power detector

#46
20120293262
2012-11-22

Amplifier

#47
20120293259
2012-11-22

Amplifier

#48
20120293233
2012-11-22

Broadband analog radio-frequency integrator

#49
20120286874
2012-11-15

Positive feedback common gate low noise amplifier

#50
20120220255
2012-08-30

Low noise amplifier (LNA) suitable for use in different transmission environments and receiver using such an LNA

#51
20120218041
2012-08-30

Amplifier circuit

#52
20120154056
2012-06-21

Method and apparatus for canceling balun amplifier noise

#53
20120139632
2012-06-07

Differential amplifier circuit

#54
20120126894
2012-05-24

Differential amplifier

#55
20120105148
2012-05-03

AMPLIFIER CIRCUIT AND RADIO RECEIVER

#56
20120043996
2012-02-23

Linear transconductor for RF communications

#57
20110304392
2011-12-15

Amplitude-stabilized odd order pre-distortion circuit

#58
20110304375
2011-12-15

Amplitude-stabilized even order pre-distortion circuit

#59
20110294446
2011-12-01

Gyrator circuit, wide-band amplifier and radio communication apparatus

#60
20110181359
2011-07-28

Apparatus and method for providing linear transconductance amplification

#61
20110121902
2011-05-26

Enhancing dual op-amps for differential connections

#62
20110109390
2011-05-12

Transconductor circuit

#63
20110109388
2011-05-12

Differential RF amplifier

#64
20110025417
2011-02-03

Signal processing circuit with improved linearity

#65
20110025416
2011-02-03

Differential amplifier

#66
20110001565
2011-01-06

High-speed, multi-stage class AB amplifiers

#67
20100329158
2010-12-30

RF single-ended to differential converter

#68
20100323655
2010-12-23

Common-gate common-source transconductance stage for RF downconversion mixer

#69
20100295620
2010-11-25

High-speed, multi-stage class AB amplifiers

#70
20100289579
2010-11-18

Switchable input pair operational amplifiers

#71
20100246858
2010-09-30

Amplifier circuit

#72
20100156538
2010-06-24

Amplifier circuit and radio receiver

#73
20100148878
2010-06-17

Amplifier with dither

#74
20100148868
2010-06-17

Differential amplifier

#75
20100109780
2010-05-06

Flexible dynamic range amplifier

#76
20100045379
2010-02-25

Amplifier and the method thereof

#77
20090256636
2009-10-15

Amplifier arrangement and method for signal amplification

#78
20090237163
2009-09-24

Trimming technique for high voltage amplifiers using floating low voltage structures

#79
20090237143
2009-09-24

Capacitance multiplier circuit

#80
20090219094
2009-09-03

Differential amplifier circuit and frequency mixer for improving linearity

#81
20090195310
2009-08-06

LNA having a post-distortion mode and a high-gain mode

#82
20090189697
2009-07-30

Auto-tuning amplifier

#83
20090167439
2009-07-02

Amplifier and the method thereof

#84
20090160525
2009-06-25

Level shift circuit

#85
20090153247
2009-06-18

High-speed, multi-stage class AB amplifiers

#86
20090153244
2009-06-18

Low noise and low input capacitance differential MDS LNA

#87
20090140809
2009-06-04

High performance variable gain amplifier, method of use and design structure

#88
20090108943
2009-04-30

Low noise amplifier

#89
20090108881
2009-04-30

Latch-based sense amplifier

#90
20090096490
2009-04-16

Transconductor

#91
20090085663
2009-04-02

Transconductor having high linearity and programmable gain and mixer using the same

#92
20090072908
2009-03-19

Gain control circuit and optical recording and reproducing device using thereof

#93
20090066415
2009-03-12

Operational amplifier having high slew rate and stability, and operating method thereof

#94
20090045874
2009-02-19

Differential amplifier and input circuit using the same

#95
20090033421
2009-02-05

Differential input driver using current feedback and cross-coupled common base devices

#96
20090027563
2009-01-29

LOW NOISE AMPLIFIER

#97
20080309409
2008-12-18

Balanced differential cross-coupled transconductance amplifier for a multiplexor

#98
20080309408
2008-12-18

Symmetrical differential amplifier

#99
20080303595
2008-12-11

Amplifying circuit

#100
20080272849
2008-11-06

Active baluns

#101
20080272846
2008-11-06

Adaptive biasing input stage and amplifiers including the same

#102
20080265990
2008-10-30

Semiconductor circuit

#103
20080246511
2008-10-09

Differential Drive Circuit and Electronic Apparatus Incorporating the Same

#104
20080238548
2008-10-02

Differential feedback amplifier circuit with cross coupled capacitors

#105
20080238546
2008-10-02

Fully differential class AB amplifier and amplifying method using single-ended, two-stage amplifier

#106
20080238545
2008-10-02

Linearized class AB biased differential input stage

#107
20080231362
2008-09-25

Linear transconductor for RF communications

#108
20080191807
2008-08-14

Signal converter having compensation unit

#109
20080186096
2008-08-07

System and method for distortion cancellation in amplifiers

#110
20080174378
2008-07-24

Method of adjusting the resonance frequency of an L-C resonant circuit and resonant circuit

#111
20080143441
2008-06-19

AMPLIFIER HAVING PLURALITY OF DIFFERENTIAL PAIRS AND COMMUNICATION SYSTEM EQUIPPED WITH SAME

#112
20080143434
2008-06-19

Transconductor

#113
20080139158
2008-06-12

Method and system for a transformer-based high performance cross-coupled low noise amplifier

#114
20080129345
2008-06-05

Low-voltage, low-power-consumption, and high-speed differential current-sense amplification

#115
20080111638
2008-05-15

Delay stage, ring oscillator, PLL-circuit and method

#116
20080111626
2008-05-15

Rail-to-rail class-AB operational amplifier

#117
20080106335
2008-05-08

Differential circuit

#118
20080100526
2008-05-01

Impedance matched passive radio frequency transmit/receive switch

#119
20080088373
2008-04-17

Differential amplifier using body-source cross coupling

#120
20080074190
2008-03-27

Scheme for improving settling behavior of gain boosted fully differential operational amplifier

#121
20080068075
2008-03-20

Trifferential amplifier and trifferential amplifier system

#122
20080048728
2008-02-28

STABLE SENSE AMPLIFIER

#123
20080036537
2008-02-14

Wide-band low-noise CMOS amplifier

#124
20080036536
2008-02-14

System and method for linearizing a CMOS differential pair

#125
20080024172
2008-01-31

Actively Compensated Buffering for High Speed Current Mode Logic Data Path

#126
20080012640
2008-01-17

Unilateralized amplifier

#127
20080007334
2008-01-10

Tuneable circuit for canceling third order modulation

#128
20070296497
2007-12-27

Amplifier circuit with cross-coupled cascode transistors

#129
20070296492
2007-12-27

Single stage balanced voltage amplifier

#130
20070290754
2007-12-20

Push-pull amplifier and method for low noise amplification

#131
20070268070
2007-11-22

Power amplifier transmission line transformer

#132
20070247227
2007-10-25

Circuit and method for driving bulk capacitance of amplifier input transistors

#133
20070216483
2007-09-20

Differential amplifier stage

#134
20070216481
2007-09-20

Low noise amplifiers for low-power impulse radio ultra-wideband receivers

#135
20070200628
2007-08-30

Gain boosting for tuned differential LC circuits

#136
20070194849
2007-08-23

Method for nullifying temperature dependence and circuit therefor

#137
20070170987
2007-07-26

Differential-to-single-ended converter and phase-locked loop circuit having the same

#138
20070152904
2007-07-05

Impedance matched passive radio frequency transmit/receive switch

#139
20070146071
2007-06-28

Common-gate common-source transconductance stage for RF downconversion mixer

#140
20070146070
2007-06-28

Differential cascode amplifier

#141
20070115046
2007-05-24

Method and apparatus for tuning GMC filter

#142
20070111027
2007-05-17

Light-emitting organic materials

#143
20070096830
2007-05-03

Wideband circuits and methods

#144
20070090877
2007-04-26

Wideband circuits and methods

#145
20070082640
2007-04-12

Signal generation apparatus, frequency converting apparatus, and receiver

#146
20070069769
2007-03-29

Transmission circuit for use in input/output interface

#147
20070034961
2007-02-15

Level shifter for display device

#148
20070024369
2007-02-01

Current-controlled CMOS (C3MOS) wideband input data amplifier for reduced differential and common-mode reflection

#149
20070008038
2007-01-11

Power amplifier arrangement, particularly for mobile radio, and method for determining a performance parameter

#150
20060262446
2006-11-23

Preamplifier circuit and method for a disk drive device

#151
20060220741
2006-10-05

CMOS class AB folded cascode operational amplifier for high-speed applications

#152
20060214719
2006-09-28

Signal conversion circuit

#153
20060181349
2006-08-17

CMOS variable gain amplifier for controlling dB linear gain

#154
20060176107
2006-08-10

Amplifier, voltage stabilizing unit and method thereof

#155
20060176105
2006-08-10

Amplifier, voltage stabilizing unit and method thereof

#156
20060170500
2006-08-03

Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

#157
20060170494
2006-08-03

Cross-talk reduction circuit and method therefor

#158
20060164149
2006-07-27

Mixer stage and method for mixing two signals having different frequencies

#159
20060145762
2006-07-06

Gain boosting for tuned differential LC circuits

#160
20060071712
2006-04-06

Variable gain amplifier

#161
20060066392
2006-03-30

Method and apparatus for tuning GMC filter

#162
20060066362
2006-03-30

Voltage-current conversion circuit, amplifier, mixer circuit, and mobile appliance using the circuit

#163
20060057990
2006-03-16

Gain boosting RF gain stage with cross-coupled capacitors

#164
20060049852
2006-03-09

Sense amplifier with low common mode differential input signal

#165
20060033584
2006-02-16

Variable inductor, oscillator including the variable inductor and radio terminal comprising this oscillator, and amplifier including the variable inductor and radio terminal comprising this amplifier

#166
20060001490
2006-01-05

Differential dual port current conveyor circuit

#167
20050264322
2005-12-01

SOI sense amplifier with pre-charge

#168
20050258901
2005-11-24

System and method for linearizing a CMOS differential pair

#169
20050195871
2005-09-08

Amplification circuit for driving a laser signal

#170
20050195512
2005-09-08

Amplifier apparatus for use with a sensor

#171
20050140443
2005-06-30

Differential low noise amplifier with low power consumption

#172
20050134379
2005-06-23

Multi-port cross-connected multi-level cascode differential amplifier

#173
20050099233
2005-05-12

Differential amplifier arrangement with current regulating circuit and method for operating a differential amplifier arrangement

#174
20050030096
2005-02-10

Balanced variable gain amplifier capable of achieving performance by low source voltage

#175
15190575
2017-08-15

Continuous time linear equalizer that uses cross-coupled cascodes and inductive peaking