H03F2203/45172 - CPC Classification Index

ClassID:

219891 ⎘

H03F2203/45172 - 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 A transformer being added at the input of the dif amp

Recent Application in this class:

20210067115

2021-03-04

Divided amplifier

20200403584

2020-12-24

Transformer based switches and systems for PALNA transceivers

20200403582

2020-12-24

Matching network and power amplifier circuit

20190199298

2019-06-27

Matching network and power amplifier circuit

20190199290

2019-06-27

Differential amplifier with complementary unit structure

20190198465

2019-06-27

Compensation device for transistors

20180205582

2018-07-19

Method for data modulation in wireless communication system and apparatus for the same

20180115289

2018-04-26

Low voltage supply amplifier

20170214369

2017-07-27

Power amplifier system and associated bias circuit

#10

20160373144

2016-12-22

POWER AMPLIFICATION MODULE

#11

20160327657

2016-11-10

Bootstrapping readout for large terminal capacitance analog-SiPM based time-of-flight PET detector

#12

20160261305

2016-09-08

Transceiver front end with low loss T/R switch

#13

20150280653

2015-10-01

Envelope tracking push-pull or differential power amplifier

#14

20150248964

2015-09-03

Transformers and methods for fabricating transformers

#15

20130265108

2013-10-10

Extremely high frequency dual-mode class AB power amplifier

#16

20070188226

2007-08-16

Power amplifier input structure having a differential output

#17

20050134386

2005-06-23

Power amplifier input structure having a differential output

#18

15466112

2018-08-21

Balanced distributed power amplifier for monolithic microwave integrated circuit