ClassID:

219630

H03F2200/402 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers A series resonance being added in shunt in the output circuit, e.g. base, gate, of an amplifier stage

Recent Application in this class:
#1
20260012144
2026-01-08

RADIO FREQUENCY AMPLIFIER

#2
20210175866
2021-06-10

Amplifiers and manufacture method thereof

#3
20200266773
2020-08-20

Power amplifier module

#4
20190319592
2019-10-17

CIRCUITS FOR PROVIDING CLASS-E POWER AMPLIFIERS

#5
20190229077
2019-07-25

Packaged RF power amplifier having a high power density

#6
20190165742
2019-05-30

Power amplifier module

#7
20190068142
2019-02-28

Semiconductor device

#8
20180205351
2018-07-19

Amplifier system for use as high sensitivity selective receiver without frequency conversion

#9
20180205350
2018-07-19

Amplifier system for use as high sensitivity selective receiver without frequency conversion

#10
20180198420
2018-07-12

RF amplifier

#11
20180062590
2018-03-01

Power amplifier module

#12
20180026591
2018-01-25

Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion

#13
20170194920
2017-07-06

Circuits for providing Class-E power amplifiers

#14
20170187337
2017-06-29

Advanced amplifier system for ultra-wide band RF communication

#15
20150311874
2015-10-29

Broadband power amplifier systems and methods

#16
20140225671
2014-08-14

High efficiency power amplifier

#17
20130076446
2013-03-28

RF device with compensatory resonator matching topology

#18
20110050350
2011-03-03

Amplifier circuit

#19
20090184786
2009-07-23

Multi-segment primary and multi-turn secondary transformer for power amplifier systems

#20
20090174477
2009-07-09

Multi-segment primary and multi-turn secondary transformer for power amplifier systems

#21
20070205828
2007-09-06

SWITCHED MODE POWER AMPLIFIER USING LUMPED ELEMENT IMPEDANCE INVERTER FOR PARALLEL COMBINING

#22
20070188259
2007-08-16

Methods and apparatus for a high-frequency output match circuit

#23
20050195031
2005-09-08

Switched-mode power amplifier using lumped element impedance inverter for parallel combining

#24
20050007194
2005-01-13

Switched-mode power amplifier using lumped element impedance inverter for parallel combining