H03F2200/93 - CPC Classification Index

ClassID:

219699 ⎘

H03F2200/93 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers Two or more transistors are coupled in a Darlington composite transistor configuration, all transistors being of the same type

Recent Application in this class:

20250158584

2025-05-15

High-performance audio amplifier

20250096751

2025-03-20

Darlington Circuit with a Driver Amplifier

20210013847

2021-01-14

Power amplifier circuit

20200007100

2020-01-02

DISTRIBUTED DARLINGTON PAIR AMPLIFIER

20190305734

2019-10-03

Differential power amplifier

20190149106

2019-05-16

OUTPUT CIRCUIT OF AMPLIFIER

20180316323

2018-11-01

Amplifier

20170346454

2017-11-30

Transconductance amplifier having low distortion

20170070198

2017-03-09

Apparatus and methods for radio frequency amplifiers

#10

20160013766

2016-01-14

Linear FET feedback amplifier

#11

20150084502

2015-03-26

Voltage supply for electrical focusing of electron beams

#12

20140347136

2014-11-27

Apparatus and methods for radio frequency amplifiers

#13

20140266466

2014-09-18

Internally, resistively, sensed darlington amplifier

#14

20120306579

2012-12-06

Power amplifier

#15

20120286878

2012-11-15

Apparatus and methods for electronic amplification

#16

20120139642

2012-06-07

Bias point setting for third order linearity optimization of class A amplifier

#17

20110316635

2011-12-29

Triplet transconductor

#18

20110006847

2011-01-13

High-voltage impulse amplifier

#19

20090174483

2009-07-09

GAIN-CONTROLLED LOW NOISE AMPLIFIER MEANS

#20

20080231370

2008-09-25

Apparatus and methods for amplifiers

#21

20080129380

2008-06-05

Constant Current Darlington Circuits for High Power

#22

20070229160

2007-10-04

Control circuit for controlling a current and/or voltage of an electronic circuit

#23

20070171589

2007-07-26

Zapping Circuit

#24

20050122172

2005-06-09

Biased Darlington transistor pair, method, and system