ClassID:

219594

H03F2200/306 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the loading circuit of an amplifying stage being a parallel resonance circuit

Recent Application in this class:
#1
20250260370
2025-08-14

Cascode Amplifier Bias Circuits

#2
20240364269
2024-10-31

Source Switched Split LNA

#3
20240348211
2024-10-17

Cascode amplifier bias circuits

#4
20230387864
2023-11-30

Cascode amplifier bias circuits

#5
20220368287
2022-11-17

Cascode amplifier bias circuits

#6
20210336584
2021-10-28

Source switched split LNA

#7
20210013841
2021-01-14

Cascode amplifier bias circuits

#8
20200144967
2020-05-07

Source switched split LNA

#9
20190341893
2019-11-07

RF power amplifier with frequency selective impedance matching network

#10
20190263712
2019-08-29

Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers

#11
20190229077
2019-07-25

Packaged RF power amplifier having a high power density

#12
20190158031
2019-05-23

Cascode amplifier bias circuits

#13
20190115876
2019-04-18

Power amplifier with nulling monitor circuit

#14
20180302039
2018-10-18

Source switched split LNA

#15
20180205351
2018-07-19

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

#16
20180205350
2018-07-19

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

#17
20180175807
2018-06-21

LNA with programmable linearity

#18
20180083578
2018-03-22

Cascode amplifier bias circuits

#19
20180026591
2018-01-25

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

#20
20170187337
2017-06-29

Advanced amplifier system for ultra-wide band RF communication

#21
20150371770
2015-12-24

Broadband power amplifier having high efficiency

#22
20140240046
2014-08-28

Systems and methods for operating a power amplifier

#23
20140225671
2014-08-14

High efficiency power amplifier

#24
20120161879
2012-06-28

Techniques to improve the stress issue in cascode power amplifier design

#25
20100301946
2010-12-02

Switchable multiband LNA design

#26
20100289578
2010-11-18

Multi-bit class-D power amplifier system

#27
20070139117
2007-06-21

Amplifier and communication apparatus

#28
20060099751
2006-05-11

Semiconductor integrated circuit and semiconductor integrated circuit manufacturing method