ClassID:

219525

H03F2200/117 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers A coil being coupled in a feedback path of an amplifier stage

Recent Application in this class:
#1
20260095129
2026-04-02

MONITORING OF INDUCTOR BEHAVIOR

#2
20230114571
2023-04-13

GAIN BOOSTING IN POWER AMPLIFIERS USING RF-COUPLED FEEDBACK

#3
20230113416
2023-04-13

GAIN BOOSTING IN ENVELOPE TRACKING POWER AMPLIFIERS USING RF-COUPLED FEEDBACK

#4
20230105489
2023-04-06

POWER AMPLIFIER SYSTEM WITH REDUCED GAIN VARIATION FOR ENVELOPE TRACKING APPLICATIONS

#5
20230104305
2023-04-06

POWER AMPLIFIER SYSTEM WITH REDUCED GAIN VARIATION AND PUSH-PULL STAGE NEUTRALIZATION

#6
20220416739
2022-12-29

PUSH-PULL RADIO FREQUENCY POWER AMPLIFIER AND METHOD FOR CONTROLLING CIRCUIT

#7
20200295720
2020-09-17

Trans-impedance amplifier (TIA) with a T-coil feedback loop

#8
20170373650
2017-12-28

Methods and devices relating to high gain amplifiers

#9
20170108565
2017-04-20

Digital amplifier

#10
20160322939
2016-11-03

Low noise amplifier having transformer feedback and method of using the same

#11
20160261234
2016-09-08

Transconductance optimization using feedback-balun-transformer with inductance degeneration combinations

#12
20150229285
2015-08-13

Bandwidth improvement for amplifiers

#13
20150229281
2015-08-13

BANDWIDTH IMPROVEMENT FOR RECEIVERS

#14
20150214900
2015-07-30

Dual feedback low noise amplifier

#15
20110133832
2011-06-09

Digital amplifier with feedforward and feedback control

#16
20110109392
2011-05-12

LOW NOISE AMPLIFIER

#17
20110090013
2011-04-21

FIELD-EFFECT TRANSISTOR AMPLIFIER

#18
20100244948
2010-09-30

Multiple-input and multiple-output amplifier using mutual induction in the feedback network

#19
20100052784
2010-03-04

Low noise amplifier

#20
20090309660
2009-12-17

DEVICE FOR AMPLIFYING A BROADBAND RF SIGNAL

#21
20090245425
2009-10-01

Antenna device, demodulating device and receiving device

#22
20090108937
2009-04-30

Low noise amplifier and differential amplifier

#23
20080061884
2008-03-13

Amplifier feedback and bias configuration

#24
20080055005
2008-03-06

Feedback-type variable gain amplifier and method of controlling the same

#25
20080055003
2008-03-06

Reduction of voltage spikes in switching half-bridge stages

#26
20060197599
2006-09-07

Variable gain wideband amplifier

#27
20060114059
2006-06-01

Power amplifier with controllable feedback loop

#28
16557521
2020-07-14

Wideband low noise amplifier with noise cancellation

#29
16525258
2020-10-06

Low power optical link