H03G1/04 - CPC Classification Index

#1

20240313728

2024-09-19

AMPLIFIERS

#2

20240106404

2024-03-28

Circuit for Integrating Currents from High-Density Sensors

#3

20210203293

2021-07-01

Deglitching circuit and method in a class-D amplifier

#4

20200295723

2020-09-17

Deglitching circuit and method in class-D amplifier

#5

20190296691

2019-09-26

Lower power auto-zeroing receiver incorporating CTLE, VGA, and DFE

#6

20190199307

2019-06-27

Constrained nonlinear parameter estimation for robust nonlinear loudspeaker modeling for the purpose of smart limiting

#7

20190181819

2019-06-13

AUTOMATIC GAIN CONTROL APPARATUS AND AUTOMATIC GAIN CONTROL METHOD

#8

20190079143

2019-03-14

Magnetic field sensor's front end and associated mixed signal method for removing chopper's related ripple

#9

20190074805

2019-03-07

Transient Detection for Speaker Distortion Reduction

#10

20170331438

2017-11-16

METHOD AND APPARATUS FOR CHANGING THE GAIN OF A RADIO FREQUENCY SIGNAL

#11

20170214418

2017-07-27

Bandwidth optimization for power amplifier power supplies

#12

20170040964

2017-02-09

Method and apparatus for changing the gain of a radio frequency signal

#13

20150365051

2015-12-17

System and method for leakage current control for programmable gain amplifiers

#14

20150063593

2015-03-05

Noise and Cross-Talk Attenuation in an Audio System by Offsetting Outputs in Phase

#15

20140145787

2014-05-29

Amplifier with filtering

#16

20140133676

2014-05-15

Sound volume adjusting apparatus

#17

20140009226

2014-01-09

Decoupling circuits for filtering a voltage supply of multiple power amplifiers

#18

20130324062

2013-12-05

Power detector with temperature compensation

#19

20130285747

2013-10-31

Digital automatic gain control

#20

20130222057

2013-08-29

Power supply pre-distortion

#21

20130135045

2013-05-30

Monotonic conversion of RF power amplifier calibration data

#22

20130106506

2013-05-02

Adjustable gain audio power amplifying circuit

#23

20130089223

2013-04-11

Output Power Limiter in an Audio Amplifier

#24

20130089161

2013-04-11

Low-Power Modulation in an Amplifier

#25

20130088297

2013-04-11

PWM re-clocking scheme to reject accumulated asynchronous jitter

#26

20130088296

2013-04-11

Attenuating noise and cross-talk in an audio system by offsetting outputs in phase

#27

20130088294

2013-04-11

Attenuating non-linear noise in an amplifier with alternating DC-offset correction

#28

20130043943

2013-02-21

Gain stage with DC offset compensation and method thereof

#29

20120249235

2012-10-04

Low distortion amplifier

#30

20110051959

2011-03-03

Sound volume adjusting apparatus

#31

20100184399

2010-07-22

Switched current resistor programmable gain array for low-voltage wireless LAN and method using the same

#32

20100171549

2010-07-08

Variable gain amplifier circuit and filter circuit

#33

20100093291

2010-04-15

Current controlled biasing for current-steering based RF variable gain amplifiers

#34

20100033227

2010-02-11

Analog switch controller

#35

20100013556

2010-01-21

Transconductance amplifier

#36

20090208033

2009-08-20

DIGITAL AUTOMATIC GAIN CONTROL

#37

20090195305

2009-08-06

Analog switch controller

#38

20090167435

2009-07-02

Power control circuit and power control method

#39

20080224781

2008-09-18

Variable gain amplifiers

#40

20080197924

2008-08-21

Variable gain amplifier circuit and filter circuit

#41

20080186099

2008-08-07

Power amplifier and multistage amplification circuit including same

#42

20080165904

2008-07-10

Symbol scaling with automatic gain control for wireless communication

#43

20080031382

2008-02-07

Low distortion radio frequency (RF) limiter

#44

20070259638

2007-11-08

Elimination of DC offset in analog baseband circuit with minimized transients

#45

20070259630

2007-11-08

Controller for a radio-frequency amplifier

#46

20070249303

2007-10-25

Low noise CMOS transmitter circuit with high range of gain

#47

20070205841

2007-09-06

Voltage-controlled current source and variable-gain amplifier

#48

20070200628

2007-08-30

Gain boosting for tuned differential LC circuits

#49

20070147639

2007-06-28

Hearing aid with digital compression recapture

#50

20060255858

2006-11-16

Gain control circuit capable of reducing change in gain due to variation of ambient temperature

#51

20060238257

2006-10-26

Control of transmission power in a mobile station

#52

20060234661

2006-10-19

Semiconductor integrated circuit for communication and portable communication terminal

#53

20060145762

2006-07-06

Gain boosting for tuned differential LC circuits

#54

20060038617

2006-02-23

Continuously variable gain radio frequency driver amplifier having linear in decibel gain control characteristics

#55

20060009182

2006-01-12

Direct conversion receiving apparatus and celluar phone

#56

20050195034

2005-09-08

Attenuation cell with an attenuation factor control device

#57

20050186922

2005-08-25

Mobile-communication equipment and transmission power control method