ClassID:

219643

H03F2200/438 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers Separate feedback of amplitude and phase signals being present

Recent Application in this class:
#1
20210283622
2021-09-16

Electronic driving circuit for driving electrodes of a microfluidic device for manipulation of particles, and corresponding analysis apparatus

#2
20190181805
2019-06-13

Phase shift and attenuation circuits for use with multiple-path amplifiers

#3
20180375477
2018-12-27

Phase shift and attenuation circuits for use with multiple-path amplifiers

#4
20180287578
2018-10-04

Control system for a power amplifier

#5
20180205351
2018-07-19

Amplifier system for use as high sensitivity selective receiver without frequency conversion

#6
20180205350
2018-07-19

Amplifier system for use as high sensitivity selective receiver without frequency conversion

#7
20180159480
2018-06-07

Phase shift and attenuation circuits for use with multiple-path amplifiers

#8
20180026591
2018-01-25

Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion

#9
20170077874
2017-03-16

Phase shift and attenuation circuits for use with multiple-path amplifiers

#10
20150280665
2015-10-01

Phase shift and attenuation circuits for use with multiple-path amplifiers

#11
20150070093
2015-03-12

Logarithmic Detector Amplifier System for Use as High Sensitivity Selective Receiver Without Frequency Conversion

#12
20150070058
2015-03-12

Logarithmic detector amplifier system for use as high sensitivity selective receiver without frequency conversion

#13
20150054582
2015-02-26

Control system for a power amplifier

#14
20140300420
2014-10-09

Analog feedback amplifier

#15
20140253248
2014-09-11

Phase shift and attenuation circuits for use with multiple-path amplifiers

#16
20140056343
2014-02-27

Distortion-compensated RF transmitter and method therefor

#17
20130194023
2013-08-01

Adjustable power splitter and corresponding methods and apparatus

#18
20100159848
2010-06-24

System and method for saturation detection, correction and recovery in a polar transmitter

#19
20090129446
2009-05-21

Method and apparatus for generating phase shifted local oscillator signals for a feedback loop on a transmitter

#20
20090097590
2009-04-16

Distortion-compensated RF transmitter and method therefor

#21
20080139141
2008-06-12

METHOD AND SYSTEM FOR ESTIMATING AND COMPENSATING NON-LINEAR DISTORTION IN A TRANSMITTER USING DATA SIGNAL FEEDBACK

#22
20070264946
2007-11-15

System and method for saturation detection, correction and recovery in a polar transmitter