Patents-Review.com
ClassID:

219190 ⎘

H03F1/48 - 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 extend the bandwidth of aperiodic amplifiers

Sub-classes:
Recent Application in this class:
#1
20220045741
2022-02-10

Multiband repeater architecture

 #2
20210408973
2021-12-30

Transimpedance amplifier

 #3
20180351519
2018-12-06

TRANSIMPEDANCE AMPLIFIER WITH BANDWIDTH EXTENDER

 #4
20170117860
2017-04-27

Amplifier

 #5
20170026011
2017-01-26

Transimpedance amplifier with bandwidth extender

 #6
20150249433
2015-09-03

Power amplifier module

 #7
20150180428
2015-06-25

Enhanced and versatile N-way doherty power amplifier

 #8
20140347134
2014-11-27

Bandwidth-extended Doherty power amplifier

 #9
20140176240
2014-06-26

High-frequency bandwidth amplifying circuit

 #10
20140132351
2014-05-15

Amplifier circuit

 #11
20130293293
2013-11-07

Compensation technique for feedback amplifiers

 #12
20130113565
2013-05-09

Linear differential amplifier with high input impedance

 #13
20130021103
2013-01-24

High power wideband amplifier and method

 #14
20110227642
2011-09-22

Parallel forward path cartesian feedback loop and loop filter with switchable order for cartesian feedback loops

 #15
20100225394
2010-09-09

High bandwidth, rail-to-rail differential amplifier with input stage transconductance amplifier

 #16
20100225393
2010-09-09

High bandwidth, rail-to-rail differential amplifier with intermediate stage current amplifier

 #17
20100225392
2010-09-09

High bandwidth, rail-to-rail differential amplifier with output stage amplifier

 #18
20090315626
2009-12-24

High sensitivity optical receiver employing a high gain amplifier and an equalizing circuit

 #19
20080315957
2008-12-25

Ultra-wideband low noise amplifier and amplification method thereof

 #20
20070229155
2007-10-04

Feedback amplifier

 #21
20070096831
2007-05-03

Multi-stage broadband amplifiers

 #22
20070096830
2007-05-03

Wideband circuits and methods

 #23
20070090877
2007-04-26

Wideband circuits and methods

 #24
20060267685
2006-11-30

Fast settling, low noise, low offset operational amplifier and method

 #25
20060125564
2006-06-15

Method of forming a wide bandwidth differential amplifier and structure therefor

 #26
20060114059
2006-06-01

Power amplifier with controllable feedback loop

 #27
20050242878
2005-11-03

Method and apparatus for extending the bandwidth of a Class D amplifier circuit

 #28
20050206450
2005-09-22

AC differential amplifier with reduced low corner frequency