ClassID:

220115

H03F2203/45621 - 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 IC comprising a transformer for phase splitting the input signal

Recent Application in this class:
#1
20190267946
2019-08-29

Method and apparatus for using back gate biasing for power amplifiers for millimeter wave devices

#2
20190097586
2019-03-28

Mixed-signal power amplifier and transmission systems and methods

#3
20190058445
2019-02-21

Asymmetrical parallel-combining (APC) technique for RF power amplifier

#4
20180131350
2018-05-10

Phase-switch-equipped variable amplification device and phase shifter

#5
20180109257
2018-04-19

Galvanically-isolated signaling between modules with step-up transformer

#6
20180062678
2018-03-01

Galvanic isolation circuit, corresponding system and method

#7
20180019711
2018-01-18

Mixed-signal power amplifier and transmission systems and methods

#8
20170214369
2017-07-27

Power amplifier system and associated bias circuit

#9
20170126185
2017-05-04

Dual operation mode power amplifier

#10
20160327657
2016-11-10

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

#11
20160126896
2016-05-05

Transformer feedback amplifier

#12
20150349732
2015-12-03

Common-source power amplifiers

#13
20150349723
2015-12-03

Hybrid power amplifier having electrical and thermal conduction path

#14
20150288334
2015-10-08

Power amplifier

#15
20150214900
2015-07-30

Dual feedback low noise amplifier

#16
20140325322
2014-10-30

Semiconductor integrated circuit and drive apparatus including the same

#17
20140284493
2014-09-25

Preamplifier for charged particle detection

#18
20140125417
2014-05-08

Systems and methods for boosting a received AC signal using a power amplifier including phase conditioners

#19
20140035673
2014-02-06

Multimode differential amplifier biasing system

#20
20140022018
2014-01-23

Amplifier with gain circuit coupeld to primary coil of transformer

#21
20130281043
2013-10-24

Low noise amplifier

#22
20130265108
2013-10-10

Extremely high frequency dual-mode class AB power amplifier

#23
20130055052
2013-02-28

Semiconductor integrated circuit and drive apparatus including the same

#24
20130033312
2013-02-07

Single-ended to differential amplifier

#25
20130009704
2013-01-10

Transceiver and integrated circuit

#26
20120293267
2012-11-22

Low noise amplifier including a single-ended input

#27
20120286877
2012-11-15

Power amplifier

#28
20120220255
2012-08-30

Low noise amplifier (LNA) suitable for use in different transmission environments and receiver using such an LNA

#29
20120176197
2012-07-12

RF power amplifier

#30
20120169430
2012-07-05

INPUT APPARATUS ON CHIP FOR DIFFERENTIAL SIGNALS AND BALUN THEREOF

#31
20120161880
2012-06-28

Techniques on input transformer to push the OP1dB higher in power amplifier design

#32
20120112835
2012-05-10

Transformer coupled distributed amplifier

#33
20110316631
2011-12-29

LNA circuit for use in a low-cost receiver circuit

#34
20110248782
2011-10-13

RF power amplifier

#35
20110121903
2011-05-26

Power amplifier

#36
20110086594
2011-04-14

Providing a temperature dependent bias for a device

#37
20100328542
2010-12-30

Low-noise amplifier suitable for use in a television receiver

#38
20100308914
2010-12-09

Low noise amplifier

#39
20100134944
2010-06-03

Magnetic coupler device and magnetically coupled isolator

#40
20100117737
2010-05-13

RF power amplifier

#41
20090108937
2009-04-30

Low noise amplifier and differential amplifier

#42
20070213027
2007-09-13

Integrated low noise amplifier

#43
20070188226
2007-08-16

Power amplifier input structure having a differential output

#44
20060238248
2006-10-26

Differential inductor based low noise amplifier

#45
20060097786
2006-05-11

Low noise and high gain low noise amplifier

#46
20050134386
2005-06-23

Power amplifier input structure having a differential output

#47
20050043007
2005-02-24

Integrated low noise amplifier