H03F2203/45696 - CPC Classification Index

ClassID:

220153 ⎘

H03F2203/45696 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to differential amplifiers the LC comprising more than two resistors

Recent Application in this class:

20200067462

2020-02-27

HIGH FREQUENCY AMPLIFIER

20200052664

2020-02-13

MATRIX POWER AMPLIFIER

20190288651

2019-09-19

Matrix power amplifier

20180351567

2018-12-06

Voltage amplifier for a programmable voltage range

20180097484

2018-04-05

Matrix power amplifier

20180083585

2018-03-22

Linear variable gain amplifier

20160156315

2016-06-02

Parallel resonant circuit

20150349729

2015-12-03

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

20140340150

2014-11-20

Transconductance circuit and a current digital to analog converter using such transconductance circuits

#10

20130328629

2013-12-12

Differential amplifier circuit

#11

20130162318

2013-06-27

Differential output circuit

#12

20130120028

2013-05-16

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

#13

20130099857

2013-04-25

Audio programmable gain amplifier with automatic reconfiguration

#14

20130021100

2013-01-24

Method and system for multiple tuner application using a low noise broadband distribution amplifier

#15

20120306574

2012-12-06

Wide bandwidth class C amplifier with common-mode feedback

#16

20120268204

2012-10-25

Apparatus and method for equalization

#17

20120262235

2012-10-18

Differential output stage

#18

20120169422

2012-07-05

Amplifier with non-linear current mirror

#19

20120112840

2012-05-10

Semiconductor integrated circuit device

#20

20120025911

2012-02-02

Low noise amplifier with current bleeding branch

#21

20120007664

2012-01-12

Apparatus and method for recovery of wasted power from differential drivers

#22

20120001696

2012-01-05

Semiconductor integrated circuit device

#23

20100244964

2010-09-30

Semiconductor integrated circuit device

#24

20100214021

2010-08-26

Class AB rail-to-rail operational amplifier

#25

20100127736

2010-05-27

Low voltage differential signaling driver with programmable on-chip resistor termination

#26

20090273401

2009-11-05

Method and system for multiple tuner application using a low noise broadband distribution amplifier

#27

20090096523

2009-04-16

Differential amplification circuit

#28

20090091385

2009-04-09

Differential amplifier circuit

#29

20080278224

2008-11-13

Apparatus and method for recovery of wasted power from differential drivers

#30

20080074188

2008-03-27

Output differential stage

#31

20080018405

2008-01-24

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

#32

20070194847

2007-08-23

Operational amplifier

#33

20070188232

2007-08-16

Wideband CMOS gain stage

#34

20070188230

2007-08-16

Differential signal receiver

#35

20070182615

2007-08-09

Programmable amplitude line driver

#36

20070159247

2007-07-12

CMOS amplifier of filter for ultra wideband application and method of the same

#37

20070152722

2007-07-05

Comparator, sample-and-hold circuit, differential amplifier, two-stage amplifier, and analog-to-digital converter

#38

20050258902

2005-11-24

Wideband CMOS gain stage

#39

20050116774

2005-06-02

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

#40

20050088238

2005-04-28

High speed amplifier incorporating pre-emphasis

#41

20050088232

2005-04-28

Techniques to lower drive impedance and provide reduced DC offset

#42

20050083126

2005-04-21

Method and circuit for a dual supply amplifier

#43

20050007197

2005-01-13

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