H03F2203/45568 - CPC Classification Index

ClassID:

220089 ⎘

H03F2203/45568 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to differential amplifiers the IC comprising one or more diodes as shunt to the input leads

Recent Application in this class:

20230134242

2023-05-04

DIFFERENTIAL AMPLIFYING APPARATUS

20220278663

2022-09-01

Amplifying circuit and rectifying antenna

20210359656

2021-11-18

Amplifying circuit and rectifying antenna

20210058047

2021-02-25

Isolation amplification circuit with improved common mode rejection

20150365059

2015-12-17

Class-D amplifier and electronic apparatus

20150171854

2015-06-18

Compensation circuit and compensation method

20150097619

2015-04-09

Amplifier

20150028949

2015-01-29

High voltage input circuit for a differential amplifier

20140029143

2014-01-30

Receiver having a wide common mode input range

#10

20130070365

2013-03-21

Current sensor comprising differential amplifier biased by leakage current

#11

20110175583

2011-07-21

High voltage regulated power supply

#12

20110156690

2011-06-30

Reference voltage generation circuit with start-up circuit

#13

20110150243

2011-06-23

Charging circuit and amplifier

#14

20100141339

2010-06-10

Apparatus and method for broadband amplifier linearization

#15

20100103572

2010-04-29

Amplifier with improved ESD protection circuitry

#16

20090189693

2009-07-30

Operational amplifier

#17

20080012641

2008-01-17

Operational amplifier

#18

20070228841

2007-10-04

Galvanically isolated direct current transducer