ClassID:

219340

H03F3/45085 - CPC Classification

Classification description:

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using bipolar transistors as the active amplifying circuit Long tailed pairs

Sub-classes:
Recent Application in this class:
#1
20260142631
2026-05-21

BIAS CONTROL FOR DC COUPLED SINGLE-ENDED DISTRIBUTED AMPLIFIERS OF MULTI-STAGE AMPLIFIERS

#2
20260088784
2026-03-26

COMMON-MODE STABILIZATION OF HIGH-FREQUENCY DIFFERENTIAL DISTRIBUTED DRIVER AMPLIFIER

#3
20260074657
2026-03-12

SEMICONDUCTOR CIRCUIT FOR REDUCING OUTPUT DISTORTION

#4
20260066859
2026-03-05

BALUN AND POWER AMPLIFIER CIRCUIT

#5
20260037013
2026-02-05

SOURCE/SINK LDO WITH REDUCED DEAD BAND

#6
20250350254
2025-11-13

DIFFERENTIAL AMPLIFIER

#7
20250323611
2025-10-16

DIFFERENTIAL SIGNAL AMPLIFICATION SYSTEM, MEASUREMENT APPLICATION DEVICE, AND METHOD

#8
20250293683
2025-09-18

FILTER WITH LOW LEAKAGE POWER-DOWN SWITCHES

#9
20250266794
2025-08-21

ELECTRONIC CIRCUIT LINEARIZATION METHOD

#10
20250247056
2025-07-31

DETECTION CIRCUIT

#11
20250247055
2025-07-31

TECHNIQUES FOR DIGITAL-DOMAIN TEMPERATURE COMPENSATION IN LOGARITHMIC TRANSIMPEDANCE AMPLIFIER DEVICES

#12
20250226799
2025-07-10

AMPLIFIER WITH TEMPERATURE DEPENDENT GAIN AND TEMPERATURE COMPENSATED BANDWIDTH

#13
20250088153
2025-03-13

INTERMODULATION DISTORTION MITIGATION

#14
20240429872
2024-12-26

ELECTRONIC CIRCUIT AND DOHERTY AMPLIFIER CIRCUIT

#15
20240283409
2024-08-22

SLOPE-TEMPERATURE DRIFT CALIBRATION OF A SIGNAL STRENGTH DETECTOR

#16
20240250647
2024-07-25

LOGARITHMIC CURRENT TO VOLTAGE CONVERTERS WITH EMITTER RESISTANCE COMPENSATION

#17
20240213942
2024-06-27

VARIABLE GAIN OPTICAL MODULATOR WITH OPEN COLLECTOR DRIVER AMPLIFIER AND METHOD OF OPERATION

#18
20240213941
2024-06-27

VARIABLE GAIN OPTICAL MODULATOR WITH OPEN COLLECTOR DRIVER AMPLIFIER AND METHOD OF OPERATION

#19
20240195370
2024-06-13

RECEIVER CIRCUIT AND OPTICAL RECEIVER CIRCUIT

#20
20230396222
2023-12-07

VARIABLE GAIN AMPLIFIER

#21
20230275550
2023-08-31

Biased amplifier

#22
20230238921
2023-07-27

Differential driver

#23
20230092922
2023-03-23

DC coupled amplifier having pre-driver and bias control

#24
20220399862
2022-12-15

AMPLIFIER WITH MULTIPLE, DIFFERENTIAL INPUT PAIRS

#25
20220374037
2022-11-24

Bandgap reference circuit

#26
20220337206
2022-10-20

Differential amplifier

#27
20220085777
2022-03-17

Optical differential low-noise receivers and related methods

#28
20210391837
2021-12-16

Voltage gain amplifier architecture for automotive radar

#29
20210356329
2021-11-18

Device and Method for Determining a Temperature or a Temperature-Dependent Value Usable for Determining the Temperature, Temperature Sensor, Pressure Sensor and Combination Sensor

#30
20210313940
2021-10-07

Differential amplifier

#31
20210288624
2021-09-16

Biased amplifier

#32
20210273620
2021-09-02

Compact offset drift trim implementation

#33
20210273619
2021-09-02

Pre-driver stage with adjustable biasing

#34
20210104991
2021-04-08

Automatic gain control circuit

#35
20210104988
2021-04-08

Linear broadband transconductance amplifier

#36
20210067112
2021-03-04

Logarithmic amplifier circuit

#37
20210044262
2021-02-11

Power amplifier circuit

#38
20200412301
2020-12-31

Power efficient amplifier

#39
20200403582
2020-12-24

Matching network and power amplifier circuit

#40
20200382067
2020-12-03

DC coupled amplifier having pre-driver and bias control

#41
20200373889
2020-11-26

Programmable amplifiers

#42
20200241331
2020-07-30

DRIVING CIRCUIT FOR OPTICAL MODULATOR

#43
20200228077
2020-07-16

Optical differential low-noise receivers and related methods

#44
20200212856
2020-07-02

Transimpedance amplifier circuit

#45
20200204129
2020-06-25

Biased amplifier

#46
20200204125
2020-06-25

Amplifier with low drift biasing

#47
20200169004
2020-05-28

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

#48
20200153395
2020-05-14

Wide band buffer with DC level shift and bandwidth extension for wired data communication

#49
20200099353
2020-03-26

Fully-differential programmable gain amplifier

#50
20200021252
2020-01-16

Current amplifier

#51
20200014344
2020-01-09

Power amplifier circuit

#52
20190386459
2019-12-19

Driving circuit and optical module

#53
20190312360
2019-10-10

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

#54
20190214955
2019-07-11

Dynamic phased array tapering without phase recalibration

#55
20190199298
2019-06-27

Matching network and power amplifier circuit

#56
20190190471
2019-06-20

Slew boost disable for an operational amplifier

#57
20190187493
2019-06-20

BREAKDOWN VOLTAGE ENHANCEMENT TECHNIQUES FOR A HIGH SPEED AMPLIFIER

#58
20190165741
2019-05-30

Wireless receiver and wireless reception method

#59
20190140592
2019-05-09

Low voltage amplifier with gain boost circuit

#60
20190115885
2019-04-18

Biased amplifier

#61
20190097587
2019-03-28

Voltage-to-current converters

#62
20190089402
2019-03-21

Method to build fast transmit-receive switching architecture

#63
20190089316
2019-03-21

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

#64
20190089070
2019-03-21

Method for separately biasing power amplifier for additional power control

#65
20190089067
2019-03-21

Hard-wired address for phased array antenna panels

#66
20190068131
2019-02-28

Power amplifier module

#67
20190068130
2019-02-28

Dynamic amplification circuit

#68
20190044482
2019-02-07

Degenerated transimpedance amplifier with wire-bonded photodiode for reducing group delay distortion

#69
20190041890
2019-02-07

Current compensation circuit

#70
20180316324
2018-11-01

Offset trimming for differential amplifier

#71
20180316323
2018-11-01

Amplifier

#72
20180294811
2018-10-11

Operational amplifier, driving interface, measurement and control device, driving circuit and driver

#73
20180287575
2018-10-04

Driver circuit

#74
20180252594
2018-09-06

Device and method for determining a temperature or a temperature-dependent value usable for determining the temperature, temperature sensor, pressure sensor and combination sensor

#75
20180212580
2018-07-26

Dynamic phased array tapering without phase recalibration

#76
20180212573
2018-07-26

Bias modulation active linearization for broadband amplifiers

#77
20180191317
2018-07-05

Differential sensing circuit of a floating voltage source

#78
20180115289
2018-04-26

Low voltage supply amplifier

#79
20180091101
2018-03-29

Degenerated transimpedance amplifier with wire-bonded photodiode for reducing group delay distortion

#80
20180054200
2018-02-22

Differential logic with low voltage supply

#81
20170366142
2017-12-21

Low distortion output stage for audio amplifiers

#82
20170359041
2017-12-14

Buffer with increased headroom

#83
20170338894
2017-11-23

Track and hold amplifiers

#84
20170302237
2017-10-19

Linearized dynamic amplifier

#85
20170214369
2017-07-27

Power amplifier system and associated bias circuit

#86
20170194924
2017-07-06

Dynamic phased array tapering without phase recalibration

#87
20170194923
2017-07-06

Programmable impedance network in an amplifier

#88
20170194707
2017-07-06

Dynamic phased array tapering without phase recalibration

#89
20170179893
2017-06-22

Mitigating amplifier pop noise

#90
20170163222
2017-06-08

Common-mode feedback circuit, corresponding signal processing circuit and method

#91
20170126185
2017-05-04

Dual operation mode power amplifier

#92
20170054417
2017-02-23

System and method for improving total harmonic distortion of an amplifier

#93
20160373079
2016-12-22

Programmable impedance network in an amplifier

#94
20160344344
2016-11-24

Apparatus and methods for compensating an operational amplifier

#95
20160329869
2016-11-10

Amplifier with compensation of gain in low frequencies

#96
20160315589
2016-10-27

Low power feed forward amplifier

#97
20160294336
2016-10-06

Balanced differential transimpedance amplifier with single ended input and balancing method

#98
20160285427
2016-09-29

Differential amplifier

#99
20160087727
2016-03-24

Optical modulator driver circuit and optical transmitter

#100
20160079945
2016-03-17

PROGRAMMABLE IMPEDANCE NETWORK IN AN AMPLIFIER

#101
20160072460
2016-03-10

Differential amplifier

#102
20160072448
2016-03-10

Common-mode feedback circuit, corresponding signal processing circuit and method

#103
20160056769
2016-02-25

Power amplification module

#104
20160033627
2016-02-04

Non-saturating receiver design and clamping structure for high power laser based rangefinding instruments

#105
20150381172
2015-12-31

Driver circuit

#106
20150381128
2015-12-31

Hybrid translinear amplifier

#107
20150349729
2015-12-03

Amplifier circuit, bi-stage amplifier circuit, multi-stage amplifier circuit, RF-amplifier circuit, receiver section, RF-transceiver, and integrated circuit

#108
20150349723
2015-12-03

Hybrid power amplifier having electrical and thermal conduction path

#109
20150341004
2015-11-26

Differential amplification circuit

#110
20150295660
2015-10-15

Optical receiver, optical receiving device, and method for correcting received optical intensity

#111
20150103066
2015-04-16

Output circuit, data driver and display device

#112
20150077163
2015-03-19

Dynamic frequency divider circuit

#113
20150002223
2015-01-01

Bias circuit

#114
20150002222
2015-01-01

Combined input stage for transconductance amplifier having gain linearity over increased input voltage range

#115
20140269988
2014-09-18

Radio frequency domain digital pre-distortion

#116
20140253088
2014-09-11

Fixed voltage generating circuit

#117
20140232589
2014-08-21

Receiver circuit, phased-array receiver and radar system

#118
20140132351
2014-05-15

Amplifier circuit

#119
20140125126
2014-05-08

Power distribution circuit

#120
20140104000
2014-04-17

Feed-forward circuit to prevent phase inversion

#121
20140097896
2014-04-10

Offset current trim circuit

#122
20140070886
2014-03-13

Amplifier with voltage and current feedback error correction

#123
20140028400
2014-01-30

Semiconductor integrated circuit

#124
20130278335
2013-10-24

High speed, low power write current switching scheme for HDD preamplifier

#125
20130257537
2013-10-03

Matched feedback amplifier with improved linearity

#126
20130249632
2013-09-26

Enhanced transconductance circuit

#127
20130229699
2013-09-05

Driver circuit configured with travelling wave amplifier

#128
20130229231
2013-09-05

Differential circuit compensating gain enhancement due to self heating of transistors

#129
20130142522
2013-06-06

Differential circuit compensated with self-heating effect of active device

#130
20130141474
2013-06-06

Voltage summing buffer, digital-to-analog converter and source driver of display device including the same

#131
20130135049
2013-05-30

Incremental gain amplifier

#132
20130135047
2013-05-30

Current sense amplifier having bipolar common mode input range

#133
20130120028
2013-05-16

Method, system, and circuit with a driver output interface having a common mode connection coupled to a transistor bulk connection

#134
20130113565
2013-05-09

Linear differential amplifier with high input impedance

#135
20130093494
2013-04-18

Differential current buffer

#136
20130088473
2013-04-11

Output circuit, data driver, and display device

#137
20130082776
2013-04-04

Amplifier for receiving optical signals complementary to each other

#138
20130021097
2013-01-24

Inductive-element feedback-loop compensator

#139
20120326755
2012-12-27

Bias circuit

#140
20120313706
2012-12-13

Unbalanced/balanced conversion differential amplifier

#141
20120293258
2012-11-22

Input common mode circuit for a fully differential amplifier

#142
20120281991
2012-11-08

Optical receiver compensating input offset

#143
20120249234
2012-10-04

Receiver

#144
20120169421
2012-07-05

Audio amplifying circuit with improved noise performance

#145
20120139634
2012-06-07

Circuitry including matched transistor pairs

#146
20110294446
2011-12-01

Gyrator circuit, wide-band amplifier and radio communication apparatus

#147
20110236027
2011-09-29

Voltage generator, control circuit, vector sum phase shifter, and optical transceiver

#148
20110234322
2011-09-29

Apparatus and method for reducing current noise

#149
20110227650
2011-09-22

RECEIVED-LIGHT AMPLIFYING CIRCUIT AND OPTICAL DISC APPARATUS

#150
20110221526
2011-09-15

Method and apparatus for a gain control circuit via a high frequency signal

#151
20110175583
2011-07-21

High voltage regulated power supply

#152
20110128077
2011-06-02

Differentially compensated input pair

#153
20110121901
2011-05-26

Constant gain amplifier system with gain control feedback

#154
20110109390
2011-05-12

Transconductor circuit

#155
20110095823
2011-04-28

Incremental gain amplifier

#156
20110090010
2011-04-21

Variable gain amplification device

#157
20110084764
2011-04-14

Amplifier and signal filter

#158
20110006846
2011-01-13

HIGH-FREQUENCY AMPLIFIER

#159
20100315167
2010-12-16

Inter-stage matching network to enhance common mode stability

#160
20100295617
2010-11-25

Apparatus and method for driving an LED

#161
20100291890
2010-11-18

Receiver

#162
20100271077
2010-10-28

Light receiving circuit

#163
20100244956
2010-09-30

Current control mechanism for low voltage applications

#164
20100237910
2010-09-23

High-speed, low-power driver system

#165
20100231297
2010-09-16

ELECTRONIC DEVICE FOR SELF OSCILLATING CLASS D SYSTEM

#166
20100231287
2010-09-16

Thermal compensation of an exponential pair

#167
20100225394
2010-09-09

High bandwidth, rail-to-rail differential amplifier with input stage transconductance amplifier

#168
20100225393
2010-09-09

High bandwidth, rail-to-rail differential amplifier with intermediate stage current amplifier

#169
20100225392
2010-09-09

High bandwidth, rail-to-rail differential amplifier with output stage amplifier

#170
20100220820
2010-09-02

Receiver with mixed-mode automatic gain control

#171
20100214019
2010-08-26

Low power integrated circuit

#172
20100208780
2010-08-19

Transfer circuit, transmitter, receiver and test apparatus

#173
20100197244
2010-08-05

Direct coupled radio frequency (RF) transceiver front end

#174
20100102884
2010-04-29

Driver circuit and driver IC

#175
20100097146
2010-04-22

Signal amplification circuit

#176
20100052791
2010-03-04

Amplifier circuit

#177
20100052790
2010-03-04

Amplifier circuit

#178
20100052778
2010-03-04

Norder tunable low-pass continuous time filter for fiber optic receivers

#179
20100045386
2010-02-25

Amplifier circuit

#180
20100019853
2010-01-28

AMPLIFICATION STAGE

#181
20100013545
2010-01-21

Temperature compensation for RF detectors

#182
20090305655
2009-12-10

Receiver having a gain-controllable input amplifier

#183
20090295454
2009-12-03

LOW VOLTAGE MIXER CIRCUIT

#184
20090267585
2009-10-29

Cascode current mirror circuit, bandgap circuit, reference voltage circuit having the cascode current mirror circuit and the bandgap circuit, and voltage stabilizing/regulating circuit having the reference voltage circuit

#185
20090256634
2009-10-15

Output distortion cancellation circuit

#186
20090245541
2009-10-01

Audio Power Amplifier with Feedback-Shifting Technology

#187
20090243663
2009-10-01

Analog comparator comprising a digital offset compensation

#188
20090201087
2009-08-13

Differential input amplifier

#189
20090189693
2009-07-30

Operational amplifier

#190
20090179701
2009-07-16

Fast switch for controlling a differential-pair amplifier

#191
20090140807
2009-06-04

DIFFERENTIAL AMPLIFIER CIRCUIT

#192
20090133083
2009-05-21

PASSIVE CIRCUIT FOR IMPROVED DIFFERENTIAL AMPLIFIER COMMON MODE REJECTION

#193
20090115528
2009-05-07

Low cost high performance power amplifier utilizing two-stage-included local negative feedback with feedback-shifting technology

#194
20090108882
2009-04-30

Low power low voltage differential signaling (LVDS) output drivers

#195
20090096532
2009-04-16

Differential amplifier with single ended output

#196
20090088099
2009-04-02

Radio transmitter

#197
20090072903
2009-03-19

Variable gain amplifier having variable gain DC offset loop

#198
20090068967
2009-03-12

Communication semiconductor integrated circuit, communication electronic component and wireless communication system

#199
20090066421
2009-03-12

Internal frequency compensation circuit for integrated circuit controllers

#200
20090058525
2009-03-05

Common-mode bandwidth reduction circuit and method for differential applications

#201
20090058522
2009-03-05

Differential amplifier

#202
20090058466
2009-03-05

DIFFERENTIAL PAIR CIRCUIT

#203
20090033421
2009-02-05

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

#204
20090027125
2009-01-29

Common mode rejection calibration method for difference amplifiers

#205
20090021282
2009-01-22

High-frequency signal detector

#206
20090015332
2009-01-15

Startup circuit for subregulated amplifier

#207
20090011727
2009-01-08

Wireless transmission device in which transmission output is controlled in feedback control

#208
20090009240
2009-01-08

Amplifier circuit

#209
20090008535
2009-01-08

Differential amplifier circuit, operational amplifier circuit, light-receiving amplifier circuit using the same, function selection circuit, and light-receiving circuit using the same

#210
20080274714
2008-11-06

AMPLIFIER, FILTER USING THE SAME, AND RADIO COMMUNICATION DEVICE

#211
20080238545
2008-10-02

Linearized class AB biased differential input stage

#212
20080211705
2008-09-04

Electronic network circuit with dissymmetrical differential pairs

#213
20080211580
2008-09-04

Low noise AC differential amplifier with reduced low corner frequency and current consumption

#214
20080197822
2008-08-21

Variable gain amplifier and AC power supply device using the same

#215
20080164945
2008-07-10

Simple operational amplifiers circuit and alternative circuit of latch circuit

#216
20080157874
2008-07-03

Dynamic bandwidth compensating method and associated apparatus

#217
20080136464
2008-06-12

METHOD OF FABRICATING BIPOLAR TRANSISTORS AND HIGH-SPEED LVDS DRIVER WITH THE BIPOLAR TRANSISTORS

#218
20080129384
2008-06-05

Variable gain amplifier circuit

#219
20080116976
2008-05-22

Low noise amplifier with multiple inputs and multiple outputs

#220
20080106337
2008-05-08

Bias current compensation circuit for a differential input stage

#221
20080106336
2008-05-08

Differential amplifier with current source controlled through differential feedback

#222
20080101802
2008-05-01

Receiving apparatus and electronic device using the same

#223
20080084245
2008-04-10

Operational amplifier

#224
20080079490
2008-04-03

Asymmetric rise/fall time and duty cycle control circuit

#225
20080074198
2008-03-27

Photoreceiver/amplifier circuit, optical pickup device, and optical disk device

#226
20080074188
2008-03-27

Output differential stage

#227
20080068085
2008-03-20

Wide input common mode for input bias current cancellation

#228
20080068081
2008-03-20

High-voltage operational amplifier input stage and method

#229
20080068075
2008-03-20

Trifferential amplifier and trifferential amplifier system

#230
20080068064
2008-03-20

Input buffer circuit

#231
20080064359
2008-03-13

Amplifier, filter using the same, and radio communication device

#232
20080061877
2008-03-13

Common mode regulation for thermal tail compensation

#233
20080054162
2008-03-06

Optical semiconductor device having a shield wire and optical pickup device having a shield wire

#234
20080032656
2008-02-07

Controllable power operational transconductance amplifier

#235
20080032648
2008-02-07

Ultra wide band, differential input/output, high frequency active combiner in an integrated circuit

#236
20080024227
2008-01-31

Communication semiconductor integrated circuit device and wireless communication system

#237
20080018405
2008-01-24

Ultra wide band, differential input/output, high frequency amplifier in an integrated circuit

#238
20080012641
2008-01-17

Operational amplifier

#239
20080012640
2008-01-17

Unilateralized amplifier

#240
20080007343
2008-01-10

Tuning A Trans-Impedance Amplifier

#241
20080001665
2008-01-03

Ultra wide band, differential input/output, high frequency active splitter in an integrated circuit

#242
20070296502
2007-12-27

Method for double sampling loop negative feedback and double sampling negative feedback amplifier

#243
20070279131
2007-12-06

Variable gain amplifier and differential amplifier

#244
20070273438
2007-11-29

Mode selection amplifier circuit usable in a signal acquisition probe

#245
20070268060
2007-11-22

Method and circuit arrangement for generating a periodic electric signal with controllable phase

#246
20070241807
2007-10-18

Input stage for multiplexing and methods for using an input stage for multiplexing

#247
20070239152
2007-10-11

Electrolytic depilation device

#248
20070236295
2007-10-11

FM Power Amplifier With Antenna Power Control

#249
20070229163
2007-10-04

Plop noise avoidance for an amplifier

#250
20070228258
2007-10-04

Amplifier circuit and optical pickup device

#251
20070211364
2007-09-13

Magnetoresistive head preamplifier circuit with programmable input impedance

#252
20070201580
2007-08-30

Semiconductor integrated circuit for communication, radio-communication apparatus, and transmission starting method

#253
20070194847
2007-08-23

Operational amplifier

#254
20070194846
2007-08-23

Multiplier-transimpedance amplifier combination with input common mode feedback

#255
20070188232
2007-08-16

Wideband CMOS gain stage

#256
20070188191
2007-08-16

Differential amplifier with over-voltage protection and method

#257
20070176687
2007-08-02

High frequency power amplifier

#258
20070176679
2007-08-02

Differential amplifier and radio system with a differential amplifier

#259
20070164817
2007-07-19

Ultrasound imaging or other use variable input impedance preamplifier

#260
20070159252
2007-07-12

Low voltage input stage

#261
20070159251
2007-07-12

Variable gain amplifier and differential amplifier

#262
20070132511
2007-06-14

Amplifier and amplifier gain adjustment circuitry using current steering, and multimode communication device containing same

#263
20070120602
2007-05-31

Variable gain power amplifier

#264
20070097579
2007-05-03

Logic circuit with restrained leak current to differential circuit

#265
20070096813
2007-05-03

Differential circuit with improved linearity

#266
20070090876
2007-04-26

Apparatus for variable gain amplifiers and mixers

#267
20070082631
2007-04-12

Method for reducing the 2order intermodulation level of a transconductor, and corresponding transconductor

#268
20070075774
2007-04-05

Variable gain amplifier

#269
20070069717
2007-03-29

Self-shielded electronic components

#270
20070053463
2007-03-08

Polar modulation transmission apparatus and wireless communication apparatus

#271
20070046376
2007-03-01

Neutralization of feedback capacitance in amplifiers

#272
20070045519
2007-03-01

Photocurrent amplifier circuit and optical pick-up device

#273
20070037533
2007-02-15

Radio transmitter

#274
20070030074
2007-02-08

Zero cancellation in multiloop regulator control scheme

#275
20070024359
2007-02-01

Amplifier, filter using the same, and radio communication device

#276
20070024262
2007-02-01

Integrated circuit apparatus and method of compensating a current

#277
20070018079
2007-01-25

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Delay circuit and method therefor

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Mixer stage and method for mixing two signals having different frequencies

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Circuit and method for avoiding circuit performance degradation caused by time-variable thermal imbalances

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Differential amplifier circuit and method for reducing thermally induced offsets caused by large differential signals

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High slew ECL device and method therefor

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Methods for multiplexing

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Method for setting an amplifier, and corresponding amplifier circuit

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Log circuit and highly linear differential-amplifier circuit

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Linear transconductance cell with wide tuning range

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Amplifier circuit

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Method to vary symmetry and coupling in symmetrical write drivers for disk driver preamplifiers

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Bipolar differential to single ended transfer circuit with gain boost