ClassID:

219814

H03F2203/45018 - 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 the differential amplifier amplifying transistors have added cross couplings

Recent Application in this class:
#1
20240113670
2024-04-04

APPARATUS, SYSTEM, AND METHOD OF A MULTI-MODE POWER AMPLIFIER

#2
20220385251
2022-12-01

Wireless receiver

#3
20210320634
2021-10-14

Amplifiers suitable for mm-wave signal splitting and combining

#4
20210021240
2021-01-21

Wireless receiver

#5
20200321931
2020-10-08

Amplifiers suitable for mm-wave signal splitting and combining

#6
20200116823
2020-04-16

Apparatus and method for integrating self-test oscillator with injection locked buffer

#7
20190115876
2019-04-18

Power amplifier with nulling monitor circuit

#8
20190052231
2019-02-14

Differential circuit

#9
20190007000
2019-01-03

Amplifier circuit

#10
20180212576
2018-07-26

Transconductance amplifier and phase shifter

#11
20180131332
2018-05-10

Wireless receiver

#12
20160156314
2016-06-02

Self-timed differential amplifier

#13
20150244330
2015-08-27

Amplifier apparatus and soft-start method thereof

#14
20150061766
2015-03-05

Wideband inductor-less balun-LNA with improved pickup noise rejection

#15
20130265108
2013-10-10

Extremely high frequency dual-mode class AB power amplifier

#16
20130135042
2013-05-30

Broadband linearization by elimination of harmonics and intermodulation in amplifiers

#17
20090289715
2009-11-26

Amplifier with improved linearization

#18
20080238548
2008-10-02

Differential feedback amplifier circuit with cross coupled capacitors

#19
20080088373
2008-04-17

Differential amplifier using body-source cross coupling

#20
20050195013
2005-09-08

Tunable current-mode integrator for low-frequency filters

#21
17005564
2021-07-27

High-speed differential transimpedance amplifier and method thereof

#22
15371687
2018-09-25

Method and apparatus for providing a variable gain amplifier

#23
15213718
2018-07-03

Frequency enhanced active transistor