H03F2200/384 - CPC Classification Index

ClassID:

219623 ⎘

H03F2200/384 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers Amplifier without output filter, i.e. directly connected to the load

Recent Application in this class:

20190288654

2019-09-19

Amplifier with hysteresis

20170294889

2017-10-12

System and method to directly couple to analog to digital converter having lower voltage reference

20150002225

2015-01-01

Low-noise amplifier

20120249202

2012-10-04

Pulse width modulation for switching amplifier

20100244958

2010-09-30

Class D amplifier circuit

20100052792

2010-03-04

Amplifying apparatus, method of output control and control program

20090179709

2009-07-16

Signal modulation scheme in class-D amplification and circuit therefor

20080265989

2008-10-30

Filterless class-D speaker driver with less switching

20080129370

2008-06-05

Control circuit and method for a switching amplifier

#10

20080101628

2008-05-01

Switching amplifier circuits and methods

#11

20080030267

2008-02-07

Class-D audio amplifier with half-swing pulse-width-modulation

#12

20070146069

2007-06-28

Filterless class D power amplifier

#13

20070109049

2007-05-17

Filterless class D power amplifier

#14

20060284677

2006-12-21

Switching amplifier and control method thereof

#15

16696304

2021-12-21

Filterless high efficiency class D power amplifier

#16

15165809

2018-03-06

Filter-less chopping for offset cancellation