ClassID:

220167

H03F2203/45724 - 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 LC comprising two cross coupled switches

Recent Application in this class:
#1
20160006403
2016-01-07

Multistage amplifier circuit with improved settling time

#2
20150340991
2015-11-26

Multi-band power amplifier

#3
20150194115
2015-07-09

Output circuit, data driver, and display device

#4
20150014518
2015-01-15

High-speed transimpedance amplifier

#5
20140062596
2014-03-06

Chopped oscillator

#6
20140028395
2014-01-30

Op-Amp sharing by swapping trans-conductance cells

#7
20130335145
2013-12-19

High-speed transimpedance amplifier

#8
20130147553
2013-06-13

Auto-zero amplifier and feedback amplifier circuit using the auto-zero amplifier

#9
20130002636
2013-01-03

LCD driving circuit using operational amplifier and LCD display apparatus using the same

#10
20120229204
2012-09-13

Switched capacitor circuit

#11
20120127138
2012-05-24

Output circuit, data driver, and display device

#12
20110157150
2011-06-30

Source driver having multiplexers positioned between differential amplifiers and buffers and associated driving method

#13
20110043216
2011-02-24

Circuit structure free from test effect and testing method thereof

#14
20110032233
2011-02-10

LCD driving circuit using operational amplifier and LCD display apparatus using the same

#15
20100265273
2010-10-21

Operational amplifier, driver and display

#16
20100231301
2010-09-16

Amplifier circuit

#17
20100039175
2010-02-18

Driving amplifier circuit with digital control and DC offset equalization

#18
20100033463
2010-02-11

Operational amplifier circuit and display panel driving apparatus

#19
20090295482
2009-12-03

Driving amplifier circuit with digital control

#20
20090079608
2009-03-26

Operational amplifier and operating method thereof

#21
20080018510
2008-01-24

Operational amplifier and operating method thereof

#22
20050073358
2005-04-07

Differential amplifier circuit and drive circuit of liquid crystal display unit using the same