ClassID:

219146

H03F1/18 - CPC Classification

Classification description:

Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements; Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of distributed coupling, i.e. distributed amplifiers

Sub-classes:
Recent Application in this class:
#1
20240396501
2024-11-28

DISTRIBUTED POWER AMPLIFIER

#2
20240114109
2024-04-04

CABLE NETWORK DEVICE WITH LOW LOSS MEASUREMENT PORT

#3
20240007061
2024-01-04

PHOTODETECTOR CURRENT SENSING

#4
20230327623
2023-10-12

Systems for and methods of wideband distributed amplification

#5
20230170852
2023-06-01

BROADBAND ON-CHIP NESTED-LOOP ALTERNATING CURRENT (AC)-COUPLING SYSTEMS AND METHODS

#6
20230019152
2023-01-19

Transimpedance amplifier (TIA) with tunable input resistance

#7
20230015681
2023-01-19

Transimpedance amplifier (TIA) with tunable input resistance

#8
20220368298
2022-11-17

Power amplifier with large output power

#9
20210075375
2021-03-11

High-efficiency amplifier

#10
20200136573
2020-04-30

Wideband power amplifier arrangement

#11
20190068128
2019-02-28

Transformer or inductor sharing in a radio frequency amplifier and method therefor

#12
20190036493
2019-01-31

Envelope tracking amplifier circuit

#13
20180309414
2018-10-25

Envelope tracking amplifier circuit

#14
20180294775
2018-10-11

RADIO-FREQUENCY SIGNAL PROCESSING MODULE CAPABLE OF EFFECTIVELY REMOVING POWER INTERFERENCE

#15
20180254751
2018-09-06

Distributed amplifier

#16
20180123522
2018-05-03

High efficiency wide bandwidth power amplifier

#17
20180062589
2018-03-01

Driver with distributed architecture

#18
20180019712
2018-01-18

Linearized distributed amplifier architecture

#19
20170104463
2017-04-13

Architecture of a wideband distributed amplification device

#20
20170040950
2017-02-09

Distributed amplifier with improved stabilization

#21
20160261237
2016-09-08

Distributed amplifier

#22
20160254790
2016-09-01

Distributed amplifier

#23
20160006400
2016-01-07

Distributed power amplifier circuit

#24
20150256132
2015-09-10

Distributed amplifier

#25
20130049862
2013-02-28

Switching circuit and envelope signal amplifier

#26
20120229216
2012-09-13

Distributed amplifier with improved stabilization

#27
20120033834
2012-02-09

Apparatus with directivity pattern

#28
20100283546
2010-11-11

Distributed low noise amplifier

#29
20100052809
2010-03-04

Method and apparatus for adjusting load impedance of a distributed amplifier

#30
20090163784
2009-06-25

Ultra-low-power pulse oximeter implemented with an energy-efficient photoreceptor

#31
20080007357
2008-01-10

High frequency stabilization network for microwave devices and monolithic integrated circuits

#32
20060055464
2006-03-16

Travelling-wave amplifier

#33
20050189994
2005-09-01

Electronic signal amplifier and method and article for determining the gain of such an amplifier