H03H21/0001 - CPC Classification Index

ClassID:

221038 ⎘

H03H21/0001 - CPC Classification

Classification description:

Adaptive networks Analogue adaptive filters

Sub-classes:

H03H2021/0009 » {Details} 0
H03H21/0003 » {comprising CCD devices} 0
H03H21/0005 » {comprising SAW devices} 0
H03H21/0007 » {comprising switched capacitor [SC] devices} 14

Recent Application in this class:

20230178867

2023-06-08

ADAPTIVE RADIO FREQUENCY FILTER WITH IMPROVED LINEARITY

20190215005

2019-07-11

Method and apparatus for nonlinear filtering and for mitigation of interference

20170012608

2017-01-12

Method and apparatus for signal filtering and for improving properties of electronic devices

20160373081

2016-12-22

System and method for automatic filter tuning

20150288341

2015-10-08

Passive equalizer

20150256360

2015-09-10

ADAPTIVE PADE FILTER AND TRANSCEIVER

20150124857

2015-05-07

Filter network arrangement

20140243049

2014-08-28

Gain control methods to control an adjustable power level

20140195577

2014-07-10

Method and apparatus for signal filtering and for improving properties of electronic devices

#10

20130339418

2013-12-19

Method and apparatus for signal filtering and for improving properties of electronic devices

#11

20130297665

2013-11-07

Method and apparatus for signal filtering and for improving properties of electronic devices

#12

20120076195

2012-03-29

Scaled signal processing elements for reduced filter tap noise

#13

20120032723

2012-02-09

System and method for signal limiting

#14

20110241751

2011-10-06

Differential offset calibration circuit

#15

20110150071

2011-06-23

Adaptive pade filter and transceiver

#16

20100295598

2010-11-25

Adaptive radio transceiver with a local oscillator

#17

20100255792

2010-10-07

Adaptive radio transceiver with an antenna matching circuit

#18

20090286487

2009-11-19

Adaptive radio transceiver

#19

20090198755

2009-08-06

Scaled signal processing elements for reduced filter tap noise

#20

20090174496

2009-07-09

Load-line adaptation

#21

20090154612

2009-06-18

METHOD AND SYSTEM FOR DYNAMIC FILTERING AND DATA CONVERSION RESOLUTION ADJUSTMENTS IN A RECEIVER

#22

20090137213

2009-05-28

Adaptive radio transceiver with offset PLL with subsampling mixers

#23

20080290966

2008-11-27

Adaptive radio transceiver with filtering

#24

20080224792

2008-09-18

Methods and apparatuses for suppressing interference

#25

20080191313

2008-08-14

Adaptive radio transceiver with floating mosfet capacitors

#26

20080182526

2008-07-31

Adaptive radio transceiver with an antenna matching circuit

#27

20070285154

2007-12-13

Adaptive radio transceiver with filtering

#28

20070049205

2007-03-01

Adaptive radio transceiver with an antenna matching circuit

#29

20060205374

2006-09-14

Adaptive radio transceiver with a local oscillator

#30

20060067396

2006-03-30

Feed forward equalizer for a communication system

#31

20060056502

2006-03-16

Scaled signal processing elements for reduced filter tap noise

#32

20050286644

2005-12-29

Adaptive filter architecture with efficient use of voltage-to-current converters

#33

20050286623

2005-12-29

Adaptive filter structure with two adaptation modes

#34

20050285667

2005-12-29

Sign-sign least means square filter

#35

20050186930

2005-08-25

Adaptive radio transceiver with offset PLL with subsampling mixers

#36

20050186925

2005-08-25

Adaptive radio transceiver with floating MOSFET capacitors

#37

20050186917

2005-08-25

Adaptive radio transceiver with noise suppression

#38

20050181754

2005-08-18

Adaptive radio transceiver with calibration

#39

20050153664

2005-07-14

Adaptive radio transceiver with an antenna matching circuit

#40

20050100084

2005-05-12

System and method for signal amplification

#41

20050054295

2005-03-10

System and method for signal limiting

#42

20050053126

2005-03-10

Calibration of scale factor in adaptive equalizers

#43

20050053125

2005-03-10

Adaptive equalization using a conditional update sign-sign least mean square algorithm

#44

20050002479

2005-01-06

Apparatus, system and method for receiver equalization

#45

17586668

2023-06-27

Near-zero latency analog bi-quad infinite impulse response filter

#46

15044690

2016-12-06

Selecting of a pre-filter in a receiver of a communication system

#47

14745268

2016-04-19

System and method for automatic filter tuning

#48

14731178

2016-08-16

Method and apparatus to reconfigure a filter