ClassID:

220206

H03G1/0017 - CPC Classification

Classification description:

Details of arrangements for controlling amplification; Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal the device being at least one of the amplifying solid state elements of the amplifier

Sub-classes:
Recent Application in this class:
#1
20250175136
2025-05-29

Dynamic Amplitude Adjustment of Analog Input Signals

#2
20210297762
2021-09-23

Amplifier circuit and methods of operation thereof

#3
20200153400
2020-05-14

Distortion imparting device and distortion imparting method

#4
20200119695
2020-04-16

Power amplifier circuit

#5
20200106404
2020-04-02

Power amplifier

#6
20200052582
2020-02-13

AMPLIFIER CIRCUIT AND METHODS OF OPERATION THEREOF

#7
20190379283
2019-12-12

Amplifier circuit and methods of operation thereof

#8
20180294779
2018-10-11

Dynamically configurable bias circuit for controlling gain expansion of multi-mode, single chain linear power amplifiers

#9
20180287578
2018-10-04

Control system for a power amplifier

#10
20170250601
2017-08-31

Amplifier circuit and methods of operation thereof

#11
20170230021
2017-08-10

Control system for a power amplifier

#12
20170041087
2017-02-09

Phase shifter chip radio frequency self-test

#13
20160372828
2016-12-22

Phased array antenna self-calibration

#14
20160336850
2016-11-17

Amplifier circuit and methods of operation thereof

#15
20160306376
2016-10-20

Integrated circuit capable of providing a stable reference current and an electronic device with the same

#16
20160211816
2016-07-21

Amplifier circuit and methods of operation thereof

#17
20150357982
2015-12-10

Gain boosted differential transconductance amplifier

#18
20150311866
2015-10-29

Device and method for controlling power amplifier

#19
20150280666
2015-10-01

Differential amplification circuit and semiconductor integrated circuit

#20
20150070091
2015-03-12

Analog amplifiers and comparators

#21
20150063505
2015-03-05

APPARATUS AND METHOD FOR COMPENSATING FOR CHANNEL LOSS IN AN ELECTRONIC DEVICE

#22
20150054582
2015-02-26

Control system for a power amplifier

#23
20140368371
2014-12-18

Amplifier using multi input differential pair, and comparator and analog-to-digital converting apparatus using the same

#24
20140341397
2014-11-20

Apparatus and method for controlling an amplification gain of an amplifier, and a digitizer circuit and microphone assembly

#25
20140266456
2014-09-18

Device and method for controlling power amplifier

#26
20140210559
2014-07-31

Dynamic headroom for envelope tracking

#27
20140167861
2014-06-19

Bias circuit and power amplifier with dual-power mode

#28
20140152388
2014-06-05

Amplifier circuit and methods of operation thereof

#29
20140132350
2014-05-15

Electronic system, RF power amplifier and temperature compensation method thereof

#30
20140118068
2014-05-01

AMPLIFICATION OUTPUT CONTROL DEVICE AND AMPLIFICATION OUTPUT CONTROL METHOD

#31
20140035683
2014-02-06

Integrated circuit

#32
20130106518
2013-05-02

Integrated circuit

#33
20130088299
2013-04-11

Power amplifier with matching transformer

#34
20120274403
2012-11-01

Amplifier with integrated filter

#35
20120242408
2012-09-27

Low noise variable gain amplifier utilizing variable feedback techniques with constant input/output impedance

#36
20120034956
2012-02-09

System and method for biasing a power amplifier

#37
20110235827
2011-09-29

Amplifier circuit and methods of operation thereof

#38
20110129224
2011-06-02

Amplifier and optical module performing gain control

#39
20110115563
2011-05-19

Amplifier circuit and methods of operation thereof

#40
20110105067
2011-05-05

Low noise amplifier

#41
20110103619
2011-05-05

Amplifier circuit and methods of operation thereof

#42
20100283542
2010-11-11

Linear transimpedance amplifier with wide dynamic range for high rate applications

#43
20100231303
2010-09-16

Method and system for power amplifier (PA) with on-package matching transformer

#44
20100194479
2010-08-05

Amplifier circuit and methods of operation thereof

#45
20090212859
2009-08-27

AMPLIFIER CIRCUIT AND METHODS OF OPERATION THEREOF

#46
20090154733
2009-06-18

AMPLIFIER CIRCUIT AND METHODS OF OPERATION THEREOF

#47
20090027563
2009-01-29

LOW NOISE AMPLIFIER

#48
20080284522
2008-11-20

Linear transimpedance amplifier with multiplexed gain stage

#49
20080204148
2008-08-28

Amplifier with integrated filter

#50
20080204147
2008-08-28

Method and system for power amplifier (PA) with on-package matching transformer

#51
20080192518
2008-08-14

Input current controller arrangement and method

#52
20080116979
2008-05-22

Amplifier circuit and methods of operation thereof

#53
20070279131
2007-12-06

Variable gain amplifier and differential amplifier

#54
20070176665
2007-08-02

Variable voltage attenuator circuits

#55
20070139114
2007-06-21

Gain variable circuit and automatic gain control amplifier using the same

#56
20070057296
2007-03-15

Voltage-controlled amplifier for a signal processing system

#57
20060197600
2006-09-07

High frequency power amplifier circuit device

#58
20060170501
2006-08-03

Gain stage control method and related control circuit

#59
16528059
2020-11-17

Receiver intermediate variable gain stage for isolator products

#60
15213718
2018-07-03

Frequency enhanced active transistor

#61
14292241
2016-10-04

Doherty power amplifier with integrated pre-distortion