ClassID:

219619

H03F2200/372 - page 3 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers Noise reduction and elimination in amplifier

Recent Application in this class:
#601
20060132242
2006-06-22

Low noise amplifier for wideband tunable matching

#602
20060132235
2006-06-22

Gain-controlled amplifier, receiver circuit and radio communication device

#603
20060131701
2006-06-22

Use of a down-bond as a controlled inductor in integrated circuit applications

#604
20060128325
2006-06-15

Low noise switching voltage regulator

#605
20060126754
2006-06-15

Efficient modulation of RF signals

#606
20060125562
2006-06-15

Variable gain amplifiers systems and methods

#607
20060114152
2006-06-01

Method to eliminate PLL lock-up during power up for high frequency synthesizer

#608
20060114066
2006-06-01

Distortion compensating circuit having negative gain deviation, power amplifier using the same, and communication device having power amplifier

#609
20060114016
2006-06-01

Semiconductor device

#610
20060114014
2006-06-01

Automatic mode setting and power ramp compensator for system power on conditions

#611
20060103565
2006-05-18

Two-bit offset cancelling A/D converter with improved common mode rejection and threshold sensitivity

#612
20060103468
2006-05-18

Single-ended input to differential output low noise amplifier with a cascode topology

#613
20060103465
2006-05-18

Automatic gain control and tuned low noise amplifier for process-independent gain systems

#614
20060097787
2006-05-11

Gain adjusting and circuit arrangement

#615
20060097786
2006-05-11

Low noise and high gain low noise amplifier

#616
20060093072
2006-05-04

Method and system for process, voltage, and temperature (PVT) correction

#617
20060091962
2006-05-04

Amplifier circuit having improved linearity and frequency band using multiple gated transistor

#618
20060091959
2006-05-04

Low noise amplifier with low noise, high isolation bias circuit

#619
20060091958
2006-05-04

Multilevel power amplifier architecture using multi-tap transformer

#620
20060087376
2006-04-27

Hybrid active combiner and circulator

#621
20060082416
2006-04-20

Method and system for simplifying common mode feedback circuitry in multi-stage operational amplifiers

#622
20060077584
2006-04-13

Low power low noise amplifier for a magnetoresistive sensor

#623
20060077102
2006-04-13

Wafer scale beam forming antenna module with distributed amplification

#624
20060076620
2006-04-13

Semiconductor device

#625
20060071735
2006-04-06

Input impedance matching circuit for low noise amplifier

#626
20060071712
2006-04-06

Variable gain amplifier

#627
20060071704
2006-04-06

Amplifying circuit

#628
20060068749
2006-03-30

Low noise filter for a wireless receiver

#629
20060066431
2006-03-30

Adjustable differential inductor

#630
20060066412
2006-03-30

AC coupling technique for improved noise performance and simple biasing

#631
20060066410
2006-03-30

Low noise amplifier and related method

#632
20060057990
2006-03-16

Gain boosting RF gain stage with cross-coupled capacitors

#633
20060055445
2006-03-16

Multi-standard amplifier

#634
20060054932
2006-03-16

Semiconductor device, high-frequency amplifier and personal digital assistant

#635
20060050452
2006-03-09

ESD protection for RF power amplifier circuits

#636
20060046681
2006-03-02

High frequency wireless receiver circuits and methods

#637
20060046668
2006-03-02

Power consumption controlling apparatus for high frequency amplifier

#638
20060044064
2006-03-02

Low noise amplifier

#639
20060038613
2006-02-23

Power amplifier and radio communication device using the amplifier

#640
20060038612
2006-02-23

Power amplifier and radio communication device using the amplifier

#641
20060034621
2006-02-16

Transimpedance amplifier with integrated filtering and reduced parasitic capacitance

#642
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

#643
20060033578
2006-02-16

Circuitry and method for accelerated switching of an amplifier

#644
20060033577
2006-02-16

Amplifier circuit

#645
20060033566
2006-02-16

Power amplifier and radio communication device using the amplifier

#646
20060033565
2006-02-16

Power amplifier and radio communication device using the amplifier

#647
20060033564
2006-02-16

Power amplifier and radio communication device using the amplifier

#648
20060033563
2006-02-16

Power amplifier and radio communication device using the amplifier

#649
20060033562
2006-02-16

MOSFET amplifier having feedback controlled transconductance

#650
20060030359
2006-02-09

Temperature sensor insensitive to device offsets with independent adjustment of slope and reference temperature

#651
20060030277
2006-02-09

Programmable radio transceiver

#652
20060028280
2006-02-09

Modulation dependent biasing for efficient and high linearity power amplifiers

#653
20060017506
2006-01-26

Programmable low noise amplifier and method

#654
20060001492
2006-01-05

Bandpass amplifier

#655
20050287976
2005-12-29

Integrated RF front end

#656
20050285684
2005-12-29

Stacked transistor method and apparatus

#657
20050285676
2005-12-29

Slew rate enhancement circuitry for folded cascode amplifier

#658
20050280472
2005-12-22

Method and apparatus to provide wideband low noise amplification

#659
20050280467
2005-12-22

Monolithic CMOS differential LNA with enhanced linearity

#660
20050275477
2005-12-15

Methods and apparatus for calibrating gm-Z

#661
20050270389
2005-12-08

Method and device using CCD-based low noise parametric amplifier

#662
20050270099
2005-12-08

Amplifier arrangement and method for operation of an amplifier arrangement

#663
20050270098
2005-12-08

General-purpose wideband amplifier

#664
20050264339
2005-12-01

Transconductance amplifier with substantially constant resistance and mixer using same

#665
20050261797
2005-11-24

Multi-band tunable resonant circuit

#666
20050258904
2005-11-24

Methods and apparatus for amplification in a tuner

#667
20050258899
2005-11-24

Low-noise amplifier with a transformer

#668
20050258897
2005-11-24

Amplifier arrangement and method for the compensation of a signal component in an amplifier arrangement

#669
20050254573
2005-11-17

Method and apparatus having a digital PWM signal generator with integral noise shaping

#670
20050253657
2005-11-17

Controlled impedance bias circuit

#671
20050253655
2005-11-17

Amplifier bias enhancement technique

#672
20050248402
2005-11-10

Dual-band CMOS front-end with two gain modes

#673
20050242887
2005-11-03

Low noise amplifier

#674
20050242886
2005-11-03

Differential/single-ended input stage

#675
20050231290
2005-10-20

Multi-band low noise amplifier system

#676
20050231289
2005-10-20

Integrated amplifier, electronic communication unit with integrated amplifier and method for operating the electronic communication unit with an integrated amplifier

#677
20050231283
2005-10-20

Integrated circuit device

#678
20050227627
2005-10-13

Programmable radio transceiver

#679
20050225397
2005-10-13

Input matching circuit for multiband low noise amplifier

#680
20050225388
2005-10-13

Direct current offset correction systems and methods

#681
20050218989
2005-10-06

High-frequency power amplifier circuit and electronic part for communication

#682
20050212604
2005-09-29

Programmable radio transceiver

#683
20050212603
2005-09-29

Electronic circuit

#684
20050208921
2005-09-22

Low noise amplifier with constant input impedance

#685
20050208910
2005-09-22

Variable-gain low noise amplifier for digital terrestrial applications

#686
20050206490
2005-09-22

Double transformer balun for maximum power amplifier power

#687
20050206456
2005-09-22

High frequency power amplifier module and wireless communication apparatus

#688
20050206450
2005-09-22

AC differential amplifier with reduced low corner frequency

#689
20050200426
2005-09-15

Off-chip LC circuit for lowest ground and VDD impedance for power amplifier

#690
20050200425
2005-09-15

System method and apparatus for a three-line balun with power amplifier bias

#691
20050197087
2005-09-08

Reception arrangement with preamplifier circuit

#692
20050189994
2005-09-01

Electronic signal amplifier and method and article for determining the gain of such an amplifier

#693
20050186930
2005-08-25

Adaptive radio transceiver with offset PLL with subsampling mixers

#694
20050185355
2005-08-25

Semiconductor integrated circuit device

#695
20050184806
2005-08-25

High frequency amplifier circuit

#696
20050181753
2005-08-18

Logic low noise amplifier and amplification control method thereof

#697
20050179481
2005-08-18

A-ab transconductor

#698
20050176399
2005-08-11

Field effect transistor amplifier with linearization

#699
20050174167
2005-08-11

Method and apparatus providing cancellation of second order intermodulation distortion and enhancement of second order intercept point (IIP2) in common source and common emitter transconductance circuits

#700
20050168288
2005-08-04

Low gate oxide stress power amplifier

#701
20050168281
2005-08-04

High-frequency power amplification electronic part and wireless communication system

#702
20050164671
2005-07-28

Reducing active mixer flicker noise

#703
20050164649
2005-07-28

Low-noise differential bias circuit and differential signal processing apparatus

#704
20050162224
2005-07-28

Front stage amplifier with different modes

#705
20050153677
2005-07-14

System and method for on-chip filter tuning

#706
20050151585
2005-07-14

Gate control circuit with soft start/stop function

#707
20050140456
2005-06-30

Variable-gain cascode amplifier using voltage-controlled and variable inductive load

#708
20050140447
2005-06-30

Reconfigurable distributed active transformers

#709
20050140444
2005-06-30

Differential amplifier

#710
20050140443
2005-06-30

Differential low noise amplifier with low power consumption

#711
20050140422
2005-06-30

Switched capacitor circuit compensation apparatus and method

#712
20050140412
2005-06-30

Interpolation delay cell for 2ps resolution jitter injector in optical link transceiver

#713
20050134387
2005-06-23

Antenna diversity structure for use in a radio frequency integrated circuit

#714
20050134385
2005-06-23

Continuous variable-gain low-noise amplifier

#715
20050134373
2005-06-23

Switchable gain amplifier

#716
20050130617
2005-06-16

Variable-gain low noise amplifier for digital terrestrial applications

#717
20050128032
2005-06-16

Tunable planar capacitor

#718
20050128025
2005-06-16

Ultralow temperature low noise amplification apparatus

#719
20050122173
2005-06-09

Millimeter-wave unilateral low-noise amplifier

#720
20050116774
2005-06-02

Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier

#721
20050110575
2005-05-26

Gain stabilization technique for narrow band integrated low noise amplifiers

#722
20050110569
2005-05-26

Digitally controlled transconductance cell

#723
20050110555
2005-05-26

Amplifier and frequency converter

#724
20050110550
2005-05-26

DC offset cancellation in a direct-conversion receiver

#725
20050107055
2005-05-19

Integrated switchless programmable attenuator and low noise amplifier

#726
20050105642
2005-05-19

Transmission device with adaptive digital predistortion, transceiver with transmission device, and method for operating a transmission device

#727
20050099233
2005-05-12

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

#728
20050099228
2005-05-12

Portable power amplifier

#729
20050099222
2005-05-12

Electronically programmable multimode circuit

#730
20050095998
2005-05-05

Tunable matching circuit

#731
20050090223
2005-04-28

Use of a down-bond as a controlled inductor in integrated circuit applications

#732
20050090209
2005-04-28

High linearity, high efficiency power amplifier with DSP assisted linearity optimization

#733
20050088263
2005-04-28

High performance switch for switched inductor tuned RF circuit

#734
20050088262
2005-04-28

Tuning RF circuits using switched inductors provided in a monolithic integrated circuit

#735
20050088242
2005-04-28

Use of a thick oxide device as a cascode for a thin oxide transcoductance device in MOSFET technology and its application to a power amplifier design

#736
20050085205
2005-04-21

Radio frequency unit analog level detector and feedback control system

#737
20050085204
2005-04-21

Full-duplex antenna system and method

#738
20050085200
2005-04-21

Tunable bandpass filter and method thereof

#739
20050083234
2005-04-21

Wireless device reconfigurable radiation desensitivity bracket systems and methods

#740
20050083129
2005-04-21

High frequency power amplifier circuit and electronic component for high frequency power amplifier

#741
20050079842
2005-04-14

Timing based LNA gain adjustment in an RF receiver to compensate for intermodulation interference

#742
20050079836
2005-04-14

Power amplifier having enhanced swing cascode architecture

#743
20050077968
2005-04-14

Method for avoiding avalanche breakdown caused by a lateral parasitic bipolar transistor in an MOS process

#744
20050077967
2005-04-14

Power amplifier having cascode architecture with separately controlled MOS transistor and parasitic bipolar transistor

#745
20050077966
2005-04-14

Method and apparatus for realizing a low noise amplifier

#746
20050077965
2005-04-14

Power amplifier having low gate oxide stress

#747
20050077963
2005-04-14

Modulation dependent biasing for efficient and high-linearity power amplifiers

#748
20050077962
2005-04-14

Interface circuit for connecting to an output of a frequency converter

#749
20050073357
2005-04-07

Automatically adjusting low noise amplifier

#750
20050069026
2005-03-31

Method and apparatus to compensate AM-PM delay mismatch in envelope restoration transmitter

#751
20050068106
2005-03-31

Low-noise amplifying circuit

#752
20050068099
2005-03-31

Bypass switch topology for low-noise amplifiers

#753
20050066368
2005-03-24

Receiver including linearity compensation in the receive band

#754
20050062540
2005-03-24

Amplifier and frequency converter

#755
20050062535
2005-03-24

Impedance matched low noise amplifier

#756
20050059373
2005-03-17

Frequency generator and communication system using the same

#757
20050057309
2005-03-17

Transistor amplifier

#758
20050057305
2005-03-17

Radio frequency low noise amplifier with automatic gain control

#759
20050057304
2005-03-17

Single-ended input, differential output low noise amplifier

#760
20050052245
2005-03-10

Radio frequency integrated circuit having an antenna diversity structure

#761
20050052240
2005-03-10

High isolation/high speed buffer amplifier

#762
20050047038
2005-03-03

Electric component for communication device and semiconductor device for switching transmission and reception

#763
20050046483
2005-03-03

Variable gain current feedback amplifier

#764
20050046475
2005-03-03

Low-noise transmitter system and method

#765
20050043007
2005-02-24

Integrated low noise amplifier

#766
20050043004
2005-02-24

Communication apparatus, electronic equipment with communication functions, communication function circuit, amplifier circuit and balun circuit

#767
20050042994
2005-02-24

Radio apparatus

#768
20050035819
2005-02-17

CMOS differential buffer circuit

#769
20050026571
2005-02-03

Asymmetric, optimized common-source bi-directional amplifier

#770
20050024150
2005-02-03

Monolithic amplifier with high-value, monolithically formed passive feedback resistor

#771
20050024142
2005-02-03

Variable gain amplifier system

#772
20050024135
2005-02-03

Amplifier circuit with active gain step circuit

#773
20050024134
2005-02-03

Drive circuit, device, and method for suppressing noise, and use

#774
20050012553
2005-01-20

Variable gain low noise amplifier and method

#775
20050009480
2005-01-13

System and method for allowing a TDMA/CDMA portable transceiver to operate with closed loop power control

#776
20050008093
2005-01-13

Modulation circuit device, modulation method and radio communication device

#777
20050007291
2005-01-13

System and method for impedance matching an antenna to sub-bands in a communication band

#778
20050007197
2005-01-13

Method and system for producing a drive signal for a current steering amplifier

#779
20050007177
2005-01-13

Method and circuit for perturbing removable singularities in coupled translinear loops

#780
20050004482
2005-01-06

Amplified system for determining parameters of a patient

#781
17980478
2023-08-08

Integrated transimpedance amplifier with a digital signal processor for high-speed optical receivers

#782
17352938
2023-01-31

CMOS active inductor circuit for amplifier

#783
17322517
2025-02-11

Multiple transistor low noise amplifier optimized for cryogenic temperatures

#784
17066184
2022-07-05

Continuous time linear equalization system and method

#785
16947190
2021-11-16

Transimpedance amplifiers

#786
16213644
2020-05-05

System and method for spurious signal detection and rejection

#787
16109669
2019-11-26

Low noise amplifier running fast at ultra low currents

#788
15974884
2019-09-17

Methods and apparatus for a class-D amplifier

#789
15807927
2019-04-02

Beta equalization to reduce non-linear distortions of bipolar transistor amplifiers

#790
15728314
2019-01-08

Front end module with input match configurability

#791
14621417
2016-07-05

Amplifier with deterministic noise cancellation and method thereof

#792
14551324
2016-01-05

Amplifier common-mode control method

#793
14312518
2016-06-28

Monolithic integration of group III nitride epitaxial layers

#794
14248054
2016-08-16

Systems and methods for minimizing noise in an amplifier