H03F2203/45604 - CPC Classification Index

ClassID:

220107 ⎘

H03F2203/45604 - 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 IC comprising a input shunting resistor

Recent Application in this class:

20250337364

2025-10-30

RECEIVER FRONT END FOR DIGITAL ISOLATORS

20250158584

2025-05-15

High-performance audio amplifier

20230208374

2023-06-29

Current feedback amplifier

20220149788

2022-05-12

Receiver front end for digital isolators

20210036662

2021-02-04

Receiver front end for digital isolators

20190131462

2019-05-02

Pseudo-resistor structure, a closed-loop operational amplifier circuit and a bio-potential sensor

20180367171

2018-12-20

Linearization of a radiofrequency-signal transmission chain

20170201827

2017-07-13

Headphone driver, a sound system that incorporates the headphone driver and a computing system that incorporates the headphone driver

20160126898

2016-05-05

Apparatus and methods for reducing input bias current of an electronic circuit

#10

20160112016

2016-04-21

Silicon photonics modulator driver

#11

20160013769

2016-01-14

Auto correction driving device and wireless charger driving system using the same

#12

20150357980

2015-12-10

Signal processing circuit, resolver digital converter, and multipath nested mirror amplifier

#13

20150280656

2015-10-01

Analog baseband filter for radio transceiver

#14

20150236650

2015-08-20

Output stage for near rail operation

#15

20150015333

2015-01-15

Differential measurements with a large common mode input voltage

#16

20140242926

2014-08-28

Analog baseband filter for radio transceiver

#17

20140009223

2014-01-09

Common mode bias circuit

#18

20130082684

2013-04-04

Voltage monitor

#19

20130049845

2013-02-28

Differential integrated input circuit

#20

20130043948

2013-02-21

SEMICONDUCTOR DEVICE FOR SIGNAL AMPLIFICATION

#21

20130043943

2013-02-21

Gain stage with DC offset compensation and method thereof

#22

20120229811

2012-09-13

High-linearity signal-processing amplifier

#23

20120206197

2012-08-16

Differential amplifying apparatus

#24

20120007675

2012-01-12

Power amplifier

#25

20110222324

2011-09-15

Control circuit, power conditioner including the control circuit, and photovoltaic system

#26

20110210795

2011-09-01

High frequency power amplifier and operating method thereof

#27

20110156811

2011-06-30

Voltage detection device

#28

20110140785

2011-06-16

CMOS amplifier with integrated tunable band-pass function

#29

20110043288

2011-02-24

Rail-to-rail Miller compensation method without feed forward path

#30

20100327979

2010-12-30

Current Detection Apparatus and Control System Using the Same

#31

20100271130

2010-10-28

Amplifier circuit, integrated circuit device, and electronic instrument

#32

20100231305

2010-09-16

Semiconductor device for signal amplification

#33

20090267694

2009-10-29

Apparatus for receiving input and bias signals at common node

#34

20090245541

2009-10-01

Audio Power Amplifier with Feedback-Shifting Technology

#35

20090161890

2009-06-25

Micro-electro-mechanical systems (MEMS) capacitive sensing circuit

#36

20080224772

2008-09-18

Operational amplifier selecting one of inputs, and an amplifying apparatus using the OP amplifier the verification method

#37

20080129345

2008-06-05

Low-voltage, low-power-consumption, and high-speed differential current-sense amplification

#38

20070296497

2007-12-27

Amplifier circuit with cross-coupled cascode transistors

#39

20070228841

2007-10-04

Galvanically isolated direct current transducer

#40

20060267687

2006-11-30

Current shunt instrumentation amplifier with extended bipolar input common mode range

#41

20050174168

2005-08-11

Differential preamplifier having balanced resistor network