Patents-Review.com
ClassID:

219526 ⎘

H03F2200/12 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers A bias circuit for some stages being shown using transmission lines

Recent Application in this class:
#1
20250062724
2025-02-20

AMPLIFIER CIRCUIT AND COMMUNICATION DEVICE

 #2
20240235507
2024-07-11

DISTRIBUTED CIRCUIT AND CONTROL METHOD THEREFOR

 #3
20240136990
2024-04-25

DISTRIBUTED CIRCUIT AND CONTROL METHOD THEREFOR

 #4
20230275550
2023-08-31

Biased amplifier

 #5
20210288624
2021-09-16

Biased amplifier

 #6
20200382065
2020-12-03

Envelope tracking amplification architecture

 #7
20200295716
2020-09-17

Radio frequency circuit

 #8
20200204129
2020-06-25

Biased amplifier

 #9
20200168734
2020-05-28

Self-biasing and self-sequencing of depletion mode transistors

 #10
20190245085
2019-08-08

Self-biasing and self-sequencing of depletion-mode transistors

 #11
20190115885
2019-04-18

Biased amplifier

 #12
20180287579
2018-10-04

Controlling a power amplification stage of an audio signal amplifier

 #13
20180234061
2018-08-16

Multi-mode power amplifier

 #14
20180115289
2018-04-26

Low voltage supply amplifier

 #15
20180062589
2018-03-01

Driver with distributed architecture

 #16
20180026619
2018-01-25

Power source supply circuit, amplifier, communication device, base station, and power source supply method

 #17
20180006152
2018-01-04

Semiconductor device

 #18
20170250665
2017-08-31

Controlling a power amplification stage of an audio signal amplifier

 #19
20160204744
2016-07-14

Amplifying device and radio communication device

 #20
20160181989
2016-06-23

Multi-mode power amplifier

 #21
20160072450
2016-03-10

Semiconductor amplifier

 #22
20150326188
2015-11-12

Cascode power amplifier

 #23
20150222231
2015-08-06

Microwave amplifier device

 #24
20150148095
2015-05-28

Multi-mode power amplifier

 #25
20120133436
2012-05-31

Power amplifier and MMIC using the same

 #26
20110140787
2011-06-16

Method and system for amplifying a signal using a transformer matched transistor

 #27
20100231304
2010-09-16

Semiconductor device

 #28
20100102885
2010-04-29

Method and system for amplifying a signal using a transformer matched transistor

 #29
20090161329
2009-06-25

Semiconductor device

 #30
20090039965
2009-02-12

Low-loss electrical component with an amplifier

 #31
20080186094
2008-08-07

Apparatus for high power amplifier in wireless communication system

 #32
20080048777
2008-02-28

Semiconductor device

 #33
20070247231
2007-10-25

DC-bias network for a distributed amplifier

 #34
20070115065
2007-05-24

Stabilization circuit and multiband amplification circuit

 #35
20070075782
2007-04-05

Radio frequency power amplifier circuit

 #36
20070001300
2007-01-04

Semiconductor device

 #37
20060244547
2006-11-02

Methods for providing bias to a monolithic microwave integrated circuit

 #38
20060087374
2006-04-27

Feed forward amplifier employing bias circuit topologies for minimization of RF amplifier memory effects

 #39
20050269590
2005-12-08

Semiconductor device

 #40
20050237114
2005-10-27

MMIC distributed amplifier gate control using active bias

 #41
20050083131
2005-04-21

MMIC distributed amplifier gate control using active bias

 #42
20050017817
2005-01-27

Methods and devices for providing bias to a monolithic microwave integrated circuit

 #43
14607878
2017-11-28

Active electronically scanned array with power amplifier drain bias tapering