ClassID:

219535

H03F2200/144 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the feedback circuit of the amplifier stage comprising a passive resistor and passive capacitor

Recent Application in this class:
#1
20260081564
2026-03-19

AMPLIFIER CIRCUIT FOR BROADBAND AND LOW-NOISE AMPLIFICATION OF A CAPACITIVE CURRENT SOURCE AND A SENSOR SYSTEM

#2
20250385653
2025-12-18

RADIO-FREQUENCY DIFFERENTIAL AMPLIFYING CIRCUIT AND RADIO-FREQUENCY MODULE

#3
20250279757
2025-09-04

SWITCHED CAPACITOR CIRCUIT

#4
20250211178
2025-06-26

AMPLIFIER CIRCUIT

#5
20250211176
2025-06-26

SYSTEM AND METHOD FOR CONTROLLING AMPLIFIER

#6
20250112606
2025-04-03

PROGRAMMABLE GAIN TRANSIMPEDANCE AMPLIFIER HAVING A RESISTIVE T-NETWORK FEEDBACK ARCHITECTURE AND METHOD THEREOF

#7
20250096749
2025-03-20

POWER AMPLIFIER CIRCUIT

#8
20240356492
2024-10-24

METHODS TO REDUCE MEASURE CURRENT SETTLING TIME IN SMU

#9
20240146256
2024-05-02

TRANS-IMPEDANCE AMPLIFIER AND TRANS-IMPEDANCE AMPLIFIER CONTROL METHOD

#10
20230361736
2023-11-09

TRANSCONDUCTANCE TUNING IN PHOTON COUNTING

#11
20230358903
2023-11-09

SHAPER CIRCUIT, PHOTON COUNTING CIRCUIT AND X-RAY APPARATUS

#12
20230179151
2023-06-08

Power amplifier module, frontend circuit, and communication device

#13
20230114571
2023-04-13

GAIN BOOSTING IN POWER AMPLIFIERS USING RF-COUPLED FEEDBACK

#14
20230113416
2023-04-13

GAIN BOOSTING IN ENVELOPE TRACKING POWER AMPLIFIERS USING RF-COUPLED FEEDBACK

#15
20230033265
2023-02-02

RADIO-FREQUENCY DIFFERENTIAL AMPLIFYING CIRCUIT AND RADIO-FREQUENCY MODULE

#16
20230025939
2023-01-26

Solid-state imaging device and amplifier array

#17
20220263476
2022-08-18

Cascode common source transimpedance amplifiers for analyte monitoring systems

#18
20220021360
2022-01-20

Trans-impedance amplifier, chip, and communications device

#19
20210249998
2021-08-12

Dynamic stability control in amplifier driving high Q load

#20
20210211100
2021-07-08

Power amplifier module, frontend circuit, and communication device

#21
20210184637
2021-06-17

Buffer circuit for radio frequency signals

#22
20210156974
2021-05-27

Current-domain analog frontend for intensity modulated direct time-of-flight LIDARs

#23
20210013855
2021-01-14

Power amplifier circuit

#24
20200328758
2020-10-15

Sensor arrangement

#25
20200313629
2020-10-01

Power amplifier circuit

#26
20200266781
2020-08-20

AMPLIFIER CIRCUIT, CORRESPONDING SYSTEM, VEHICLE AND METHOD

#27
20200259466
2020-08-13

Amplifier

#28
20200235707
2020-07-23

Error amplifier

#29
20200220509
2020-07-09

Trans-impedance amplifier, chip, and communications device

#30
20200186098
2020-06-11

Transimpedance amplifiers with feedforward current

#31
20200169225
2020-05-28

Power amplifier module, frontend circuit, and communication device

#32
20200169004
2020-05-28

Method to improve power amplifier output return loss and back-off performance with RC feedback network

#33
20200052654
2020-02-13

Apparatus and method for assisting envelope tracking with transient response in supply voltage for power amplifier

#34
20190393915
2019-12-26

Adjustable gain devices and methods for use therewith

#35
20190393912
2019-12-26

Receiver with reduced mixer-filter interaction distortion

#36
20190372575
2019-12-05

Clock generator circuit and clock generating method

#37
20190339305
2019-11-07

Non-linear active shunt ammeter

#38
20190334482
2019-10-31

Wide dynamic range auto-AGC transimpedance amplifier

#39
20190312360
2019-10-10

Method to improve power amplifier output return loss and back-off performance with RC feedback network

#40
20190294295
2019-09-26

APPARATUS AND METHOD FOR REDUCING AMPLIFIER FEEDBACK CAPACITOR WITH BYPASS AMPLIFICATION STAGE

#41
20190280656
2019-09-12

Amplifier

#42
20190277936
2019-09-12

Multi-channel detecting system

#43
20190245494
2019-08-08

Power amplifier

#44
20190199305
2019-06-27

Magnetic disk device capable of adjusting frequency of output signals for an in-phase AC current signal inputs

#45
20190181816
2019-06-13

Power amplifier module

#46
20190170574
2019-06-06

Method and system for balancing optical receiver

#47
20190158036
2019-05-23

Power amplifier module, frontend circuit, and communication device

#48
20190131935
2019-05-02

Circuit having high-pass filter with variable corner frequency

#49
20190123691
2019-04-25

Cascode common source transimpedance amplifiers for analyte monitoring systems

#50
20190115876
2019-04-18

Power amplifier with nulling monitor circuit

#51
20190103846
2019-04-04

Power amplifier circuit

#52
20190089402
2019-03-21

Method to build fast transmit-receive switching architecture

#53
20190089316
2019-03-21

Method to improve power amplifier output return loss and back-off performance with RC feedback network

#54
20190089315
2019-03-21

Amplifier and a wireless signal receiver comprising said amplifier

#55
20190089070
2019-03-21

Method for separately biasing power amplifier for additional power control

#56
20190089067
2019-03-21

Hard-wired address for phased array antenna panels

#57
20190081625
2019-03-14

Device modifying the impedance value of a reference resistor

#58
20190059755
2019-02-28

Digital biopotential acquisition system having 8 channels

#59
20190044486
2019-02-07

Power management system for battery-powered audio device

#60
20190036490
2019-01-31

Amplifier circuit for amplifying an output signal of a capacitive sensor

#61
20190007003
2019-01-03

Radio frequency receiver

#62
20180358941
2018-12-13

Capacitive loading mode measurement circuit with compensation of measurement errors due to parasitic sensor impedances

#63
20180351593
2018-12-06

Apparatus for radio-frequency receiver with reduced power consumption and associated methods

#64
20180302045
2018-10-18

Power amplifier module

#65
20180254751
2018-09-06

Distributed amplifier

#66
20180248520
2018-08-30

Circuit system

#67
20180241364
2018-08-23

Trans-impedance amplifier, chip, and communications device

#68
20180241358
2018-08-23

Radio frequency feedback power amplifiers

#69
20180191312
2018-07-05

Amplifier

#70
20180152156
2018-05-31

Operational amplifier and differential amplifying circuit thereof

#71
20180143068
2018-05-24

Sensing circuit comprising an amplifying circuit and an amplifying circuit

#72
20170318393
2017-11-02

System and method for a high-ohmic resistor

#73
20170187335
2017-06-29

Amplifying electronic circuit with reduced start-up time for a signal including quadrature components

#74
20170170787
2017-06-15

Apparatus and methods for power enhancement of self-biased distributed amplifiers with gate bias networks

#75
20170131142
2017-05-11

Method and system for balancing optical receiver

#76
20170085234
2017-03-23

Apparatus for performing capacitor amplification in an electronic device

#77
20170040950
2017-02-09

Distributed amplifier with improved stabilization

#78
20160336907
2016-11-17

High gain RF power amplifier with negative capacitor

#79
20160315589
2016-10-27

Low power feed forward amplifier

#80
20160299519
2016-10-13

Zero drift, limitless and adjustable reference voltage generation

#81
20160268973
2016-09-15

Power amplifier and phase correction method therefor

#82
20160226474
2016-08-04

Forwarded clock jitter reduction

#83
20160142027
2016-05-19

Amplifier and related method

#84
20160142016
2016-05-19

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

#85
20160072735
2016-03-10

Low voltage feedforward current assist ethernet line driver

#86
20160056771
2016-02-25

Switching circuit

#87
20160020735
2016-01-21

Power amplifier

#88
20150381123
2015-12-31

Switchable feedback circuit for radio-frequency power amplifiers

#89
20150381122
2015-12-31

Monolithic transistor circuits with tapered feedback resistors, RF amplifier devices, and methods of manufacture thereof

#90
20150357981
2015-12-10

Transimpedance amplifier

#91
20150341004
2015-11-26

Differential amplification circuit

#92
20150270808
2015-09-24

Transimpedance amplifier

#93
20150256209
2015-09-10

DYNAMIC GAIN ASSIGNMENT IN ANALOG BASEBBAND CIRCUITS

#94
20150256136
2015-09-10

Method, apparatus and system for level shifting of common mode voltage from input to output for capacitive feedback transimpedance amplifier

#95
20150188495
2015-07-02

Current controlled transconducting inverting amplifiers

#96
20150180423
2015-06-25

Distortion cancellation for low noise amplifier (LNA) non-linear second order products

#97
20150130537
2015-05-14

Power amplification module

#98
20150110291
2015-04-23

Differential High Impedance Apparatus

#99
20150061769
2015-03-05

Closed loop control system, and an amplifier in combination with such a closed loop control system

#100
20140320211
2014-10-30

Distributed amplifier with improved stabilization

#101
20140184319
2014-07-03

Shaper design in CMOS for high dynamic range

#102
20140132342
2014-05-15

Amplifier circuit and feedback circuit

#103
20140111281
2014-04-24

Low dissipation amplifier

#104
20140035675
2014-02-06

Amplifier for a wireless receiver

#105
20130229237
2013-09-05

High-frequency amplifier

#106
20130214863
2013-08-22

Front-end system for radio devices

#107
20130176077
2013-07-11

Amplifier for wireless receiver and associated method

#108
20130082782
2013-04-04

Circuit and power amplifier

#109
20130057346
2013-03-07

Apparatus and method for low noise amplification

#110
20130057341
2013-03-07

Amplifier circuit and feedback circuit

#111
20120293262
2012-11-22

Amplifier

#112
20120293259
2012-11-22

Amplifier

#113
20120242408
2012-09-27

Low noise variable gain amplifier utilizing variable feedback techniques with constant input/output impedance

#114
20120229216
2012-09-13

Distributed amplifier with improved stabilization

#115
20120206205
2012-08-16

Variable gain amplifier

#116
20120169418
2012-07-05

Low dissipation amplifier

#117
20120062320
2012-03-15

Anti-pop circuit

#118
20110291764
2011-12-01

Linear FET feedback amplifier

#119
20110230156
2011-09-22

Dynamic gain assignment in analog baseband circuits

#120
20110169573
2011-07-14

Amplifier circuit with step gain

#121
20110109392
2011-05-12

LOW NOISE AMPLIFIER

#122
20110109389
2011-05-12

Amplifier circuit, integrated circuit and radio frequency communication unit

#123
20110057728
2011-03-10

Amplifier circuit, integrated circuit and radio frequency communication unit

#124
20100321112
2010-12-23

Anti-pop circuit

#125
20100264990
2010-10-21

Amplifying circuit, AC signal amplifying circuit and input bias adjusting method

#126
20100214024
2010-08-26

Low dissipation amplifier

#127
20100201437
2010-08-12

Tunable RF filter

#128
20100164645
2010-07-01

Tunable Impedance Matching Circuit

#129
20100164618
2010-07-01

Feedback network for cascaded amplifiers

#130
20100097139
2010-04-22

Error correction system for a class-D power stage

#131
20100066452
2010-03-18

Wideband low-noise amplifier

#132
20100019851
2010-01-28

Modified distributed amplifier to improve low frequency efficiency and noise figure

#133
20090245541
2009-10-01

Audio Power Amplifier with Feedback-Shifting Technology

#134
20090184769
2009-07-23

Negative-feedback type ultra-wideband signal amplification circuit

#135
20080290952
2008-11-27

Dvd Reading Apparatus

#136
20080156982
2008-07-03

Base line restoration circuit

#137
20080090535
2008-04-17

Amplifier circuit and receiving device

#138
20080061884
2008-03-13

Amplifier feedback and bias configuration

#139
20080001585
2008-01-03

Low noise, low dropout regulators

#140
20070252651
2007-11-01

Power Amplifier With A Output Matching Network

#141
20070156598
2007-07-05

Apparatus and method for importing content including plural pieces of usage constraint information

#142
20070035341
2007-02-15

Amplifier circuit having a compensating amplifier unit for improving loop gain and linearity

#143
20070013442
2007-01-18

Amplifier with feedback bridge

#144
20060202766
2006-09-14

Transimpedance amplifier with signal amplification circuit that performs power signal regulation

#145
20050062540
2005-03-24

Amplifier and frequency converter

#146
17064595
2022-11-01

Cross-coupling of switched-capacitor output common-mode feedback capacitors in dynamic residue amplifiers

#147
16255529
2020-06-23

Frequency selective charge amplifier to attenuate common mode interferers

#148
16113492
2019-11-26

Fast turn-on amplification system

#149
16015926
2019-02-19

Fully differential adjustable gain devices and methods for use therewith

#150
15474912
2018-04-03

Self-biased gyrator-based receiver for amplification and equalization of single-ended signals