ClassID:

219583

H03F2200/273 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the DC-isolation amplifier, e.g. chopper amplifier, modulation/demodulation amplifier, uses inductive isolation means, e.g. transformers

Recent Application in this class:
#1
20250247057
2025-07-31

PRE-DISTORTION TRAINING FEEDBACK VIA INDUCTIVE COUPLING

#2
20230308053
2023-09-28

Dynamically biased power amplification

#3
20220200534
2022-06-23

Dynamically biased power amplification

#4
20220060158
2022-02-24

Power amplifier module

#5
20210359650
2021-11-18

Isolation circuit systems and methods thereof

#6
20210021241
2021-01-21

Isolation circuit

#7
20200412301
2020-12-31

Power efficient amplifier

#8
20200052663
2020-02-13

Power amplifier module

#9
20190207560
2019-07-04

Dynamically biased power amplification

#10
20190190470
2019-06-20

Isolation amplifier

#11
20180342989
2018-11-29

Isolation circuit

#12
20180323759
2018-11-08

Galvanically isolated amplifiers and related methods

#13
20160218686
2016-07-28

Single stage switching power amplifier with bidirectional energy flow

#14
20150263677
2015-09-17

System and method for adaptive linearization of RF amplifiers

#15
20150206651
2015-07-23

Transformer driver circuit with IC protection circuitry

#16
20120306472
2012-12-06

Transformer driver circuit with IC protection circuitry

#17
20090295475
2009-12-03

Transformer-capacitor enhancement circuitry for power amplifiers

#18
20090128237
2009-05-21

Switching amplifiers

#19
20090115529
2009-05-07

Power amplifier having input ends combined in series and output ends combined in series

#20
20090115509
2009-05-07

Systems and methods for isolating an analog signal

#21
20080013443
2008-01-17

Transformer coupling of antennas

#22
20070228841
2007-10-04

Galvanically isolated direct current transducer

#23
20070152751
2007-07-05

Wide bandwidth, high power amplifier

#24
20050017805
2005-01-27

Isolated converter with synchronized switching leg