Patents-Review.com
ClassID:

219132 ⎘

H03F1/0283 - CPC Classification

Classification description:

Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements; Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers Reducing the number of Dc-current paths

Recent Application in this class:
#1
20240213933
2024-06-27

AMPLIFICATION DEVICE INCLUDING AN AMPLIFICATION UNIT AND A COUPLER USED TO REDUCE INSERTION LOSS AND CIRCUIT AREA

 #2
20230291366
2023-09-14

TRANSIMPEDANCE AMPLIFIER CIRCUITS AND DEVICES

 #3
20210135637
2021-05-06

AMPLIFIER

 #4
20200014351
2020-01-09

Stacked power amplifiers using core devices

 #5
20190199308
2019-06-27

Signal amplifier device

 #6
20190068147
2019-02-28

Driver circuit and optical transmitter

 #7
20180367107
2018-12-20

Self-oscillating amplifier system

 #8
20180175809
2018-06-21

Power amplifier operation

 #9
20170040957
2017-02-09

Power amplifier having stack structure

 #10
20160294341
2016-10-06

Limiting driver for switch-mode power amplifier

 #11
20160197587
2016-07-07

Power amplifiers coupled in series

 #12
20160164471
2016-06-09

Radio frequency devices with surface-mountable capacitors for decoupling and methods thereof

 #13
20160112014
2016-04-21

Power amplifier having separate interconnects for DC bias and RF matching networks

 #14
20160087589
2016-03-24

Amplifier with base current reuse

 #15
20160049911
2016-02-18

Limiting driver for switch-mode power amplifier

 #16
20160036399
2016-02-04

Limiting driver for switch-mode power amplifier

 #17
20160013760
2016-01-14

Circuits and devices related to fast turn-on of radio-frequency amplifiers

 #18
20150263682
2015-09-17

Current re-using wideband low-noise active balun

 #19
20150171804
2015-06-18

Power amplifier having stack structure

 #20
20150123731
2015-05-07

Amplifier circuit with cross wiring of direct-current signals and microwave signals

 #21
20140266469
2014-09-18

Current re-using wideband low-noise active balun

 #22
20140091863
2014-04-03

Current reuse amplifier

 #23
20130043937
2013-02-21

Apparatus and method for electrical biasing

 #24
20120146727
2012-06-14

Fast power up comparator

 #25
20120133441
2012-05-31

Electronic circuit

 #26
20120049941
2012-03-01

Apparatus and method configured to provide electrical bias

 #27
20110140787
2011-06-16

Method and system for amplifying a signal using a transformer matched transistor

 #28
20110050340
2011-03-03

System and method for amplifying a signal using multiple amplification stages sharing a common bias current

 #29
20110043284
2011-02-24

Stacked amplifier with diode-based biasing

 #30
20100214019
2010-08-26

Low power integrated circuit

 #31
20100194473
2010-08-05

Power amplifier with reconfigurable direct current coupling

 #32
20100102885
2010-04-29

Method and system for amplifying a signal using a transformer matched transistor

 #33
20090085664
2009-04-02

POWER AMPLIFIER HAVING AN ADAPTIVE AMPLIFYING MECHANISM

 #34
20080309411
2008-12-18

Radio frequency signal amplifying device

 #35
20080309404
2008-12-18

Single-ended amplifier

 #36
20080058030
2008-03-06

Transmitter for transmitting a transmission signal

 #37
20080030233
2008-02-07

Stacked buffers

 #38
20070222519
2007-09-27

Dynamic bias control in power amplifier

 #39
20070024363
2007-02-01

Apparatus and method for generating internal voltage adaptively from external voltage

 #40
20060261460
2006-11-23

Semiconductor device

 #41
20050253650
2005-11-17

Amplifier circuit with reduced power-on transients and method thereof

 #42
20050057310
2005-03-17

Monolithic array amplifier with periodic bias-line bypassing structure and method

 #43
20050024136
2005-02-03

High frequency circuit using high output amplifier cell block and low output amplifier cell block