ClassID:

219888

H03F2203/45166 - 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 Only one input of the dif amp being used for an input signal

Recent Application in this class:
#1
20220376660
2022-11-24

ELECTRICAL CIRCUIT

#2
20200052664
2020-02-13

MATRIX POWER AMPLIFIER

#3
20190288651
2019-09-19

Matrix power amplifier

#4
20190173441
2019-06-06

Method and system for a pseudo-differential low-noise amplifier at KU-band

#5
20180097484
2018-04-05

Matrix power amplifier

#6
20180091104
2018-03-29

Method and system for a pseudo-differential low-noise amplifier at Ku-band

#7
20160352295
2016-12-01

Method and system for a pseudo-differential low-noise amplifier at Ku-band

#8
20160344360
2016-11-24

System and method for high input capacitive signal amplifier

#9
20160294336
2016-10-06

Balanced differential transimpedance amplifier with single ended input and balancing method

#10
20160179115
2016-06-23

Sink/source output stage with operating point current control circuit for fast transient loading

#11
20160079926
2016-03-17

Amplifying circuit

#12
20150171808
2015-06-18

SMALL SIGNAL AMPLIFIER CIRCUIT

#13
20150162883
2015-06-11

Amplifier circuit

#14
20140320206
2014-10-30

Method and system for a pseudo-differential low-noise amplifier at Ku-band

#15
20140140538
2014-05-22

System and method for high input capacitive signal amplifier

#16
20130271307
2013-10-17

System and method for high input capacitive signal amplifier

#17
20130266157
2013-10-10

Headphone amplifier

#18
20130249635
2013-09-26

Amplifier for output buffer and signal processing apparatus using the same

#19
20130162353
2013-06-27

Signal amplification circuit

#20
20130142522
2013-06-06

Differential circuit compensated with self-heating effect of active device

#21
20130093519
2013-04-18

Positive and negative voltage input operational amplifier set

#22
20130038393
2013-02-14

Amplifier circuit, integrating circuit, and light-detection device

#23
20110241777
2011-10-06

Conversion circuit from single phase signal to differential phase signal

#24
20110140738
2011-06-16

Multi-Phase Integrators in Control Systems

#25
20110133837
2011-06-09

VARIABLE GAIN AMPLIFIER

#26
20110063032
2011-03-17

Balun amplifier

#27
20110050341
2011-03-03

High speed rail to rail phase splitter for providing a symmetrical differential output signal having low skew

#28
20100329158
2010-12-30

RF single-ended to differential converter

#29
20100327919
2010-12-30

DIFFERENTIAL AMPLIFIER CIRCUIT

#30
20100066436
2010-03-18

Active-time dependent bias current generation for switched-capacitor circuits

#31
20100001760
2010-01-07

Programmable system on a chip for power-supply voltage and current monitoring and control

#32
20090292937
2009-11-26

Programmable system on a chip

#33
20090285416
2009-11-19

Speaker driver circuit driven by positive and negative voltages

#34
20090267694
2009-10-29

Apparatus for receiving input and bias signals at common node

#35
20090160559
2009-06-25

INTEGRATED CIRCUIT INCLUDING IMPEDANCE TO PROVIDE SYMMETRICAL DIFFERENTIAL SIGNALS

#36
20090160525
2009-06-25

Level shift circuit

#37
20090128186
2009-05-21

Programmable system on a chip for power-supply voltage and current monitoring and control

#38
20090115529
2009-05-07

Power amplifier having input ends combined in series and output ends combined in series

#39
20090115523
2009-05-07

Discrete time amplifier circuit and analong-digital converter

#40
20090066416
2009-03-12

Push-pull amplifier

#41
20090051428
2009-02-26

AGC CIRCUIT

#42
20080309393
2008-12-18

Clock-generator architecture for a programmable-logic-based system on a chip

#43
20080303547
2008-12-11

Programmable system on a chip for temperature monitoring and control

#44
20080298605
2008-12-04

Half-voltage headphone driver circuit

#45
20080272803
2008-11-06

System-on-a-chip integrated circuit including dual-function analog and digital inputs

#46
20080238497
2008-10-02

Operational amplifier having its compensator capacitance temporarily disabled

#47
20080224731
2008-09-18

Non-volatile memory architecture for programmable-logic-based system on a chip

#48
20080180135
2008-07-31

Hysteresis circuit applied to comparator and amplifier circuit thereof

#49
20080136521
2008-06-12

Method and system for a low power fully differential noise cancelling low noise amplifier

#50
20080122484
2008-05-29

Integrated circuit device having state-saving and initialization feature

#51
20080122481
2008-05-29

Programmable system on a chip

#52
20080111621
2008-05-15

Amplifier circuit and method for reducing voltage and current noise

#53
20080111587
2008-05-15

INPUT RECEIVER WITH NEGATIVE VOLTAGE GENERATOR AND RELATED METHOD

#54
20080074167
2008-03-27

Selecting circuit

#55
20080061880
2008-03-13

Input buffer design using common-mode feedback (CMFB)

#56
20080061822
2008-03-13

Programmable system on a chip for power-supply voltage and current monitoring and control

#57
20080054999
2008-03-06

Input offset voltage corrector

#58
20080054162
2008-03-06

Optical semiconductor device having a shield wire and optical pickup device having a shield wire

#59
20080048717
2008-02-28

Programmable system on a chip

#60
20080048715
2008-02-28

Programmable system on a chip for power-supply voltage and current monitoring and control

#61
20070291930
2007-12-20

Output stacking architecture for an amplifier

#62
20070290741
2007-12-20

Technique to improve the gain and signal to noise ratio in CMOS switched capacitor amplifiers

#63
20070252616
2007-11-01

Programmable system on a chip for temperature monitoring and control

#64
20070205829
2007-09-06

Single-ended input to differential-ended output low noise amplifier

#65
20070182482
2007-08-09

Technique to improve the gain and signal to noise ratio in CMOS switched capacitor amplifiers

#66
20070176631
2007-08-02

PROGRAMMABLE SYSTEM ON A CHIP

#67
20070170974
2007-07-26

Amplifier feedback switch configuration with improved PSRR

#68
20070159248
2007-07-12

Differential amplifier, data driver and display device

#69
20070115056
2007-05-24

Operational amplifier and scanning electron microscope using the same

#70
20070096773
2007-05-03

Sample and hold circuit with multiple channel inputs, and analog-digital converter incorporating the same

#71
20070046373
2007-03-01

Method and apparatus providing input buffer design using common-mode feedback

#72
20070046325
2007-03-01

System-on-a-chip integrated circuit including dual-function analog and digital inputs

#73
20070045519
2007-03-01

Photocurrent amplifier circuit and optical pick-up device

#74
20070030059
2007-02-08

Technique to improve the gain and signal to noise ratio in CMOS switched capacitor amplifiers

#75
20060274019
2006-12-07

Operational amplifier circuit having digitally controllable output stage

#76
20060267677
2006-11-30

Method and system for passband ripple cancellation in cascading filters

#77
20060255832
2006-11-16

Non-volatile memory architecture for programmable-logic-based system on a chip

#78
20060181305
2006-08-17

Integrated circuit including programmable logic and external-device chip-enable override control

#79
20060119385
2006-06-08

Programmable system on a chip for power-supply voltage and current monitoring and control

#80
20060001489
2006-01-05

Highly linear variable gain amplifier

#81
20050237083
2005-10-27

Programmable system on a chip