ClassID:

219842

H03F2203/45074 - 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 A comparator circuit compares the common mode signal to a reference before controlling the differential amplifier or related stages

Recent Application in this class:
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METHODS AND APPARATUS TO REGULATE AN AMPLIFIER

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DECISION FEEDBACK EQUALIZER CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT THAT INCLUDES DECISION FEEDBACK EQUALIZER CIRCUIT

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AMPLIFIER CIRCUIT APPLIED IN SOURCE DRIVER OF LIQUID CRYSTAL DISPLAY

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20160142016
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Operational amplifier based circuit with compensation circuit block used for stability compensation

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20160094191
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Optical receiver to enhance dynamic range thereof

#16
20150256138
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Fully differential class A/AB amplifier and method thereof

#17
20120154048
2012-06-21

Amplifier common-mode control methods

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20110309863
2011-12-22

Differential amplifier, sample-and-hold circuit, and amplifier circuit

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20110063030
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CMOS variable gain amplifier

#20
20100213985
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Fast common mode feedback control for differential driver

#21
20100052785
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Differential amplifier, sample-and-hold circuit, and amplifier circuit

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20090212864
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Common mode stabilization in a fully differential amplifier

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20080290943
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Multi-mode amplifier arrangement and method for controlling an amplifier arrangement

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20080238521
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Low differential output voltage circuit

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20080074190
2008-03-27

Scheme for improving settling behavior of gain boosted fully differential operational amplifier

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20080048778
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Amplifier with common-mode feedback circuit

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20070200622
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Modulator apparatus operating at low supply voltage, and corresponding method of modulation

#29
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Variable threshold bipolar signal peak detector

#30
20070069817
2007-03-29

Adaptable voltage control for a variable gain amplifier

#31
20070057727
2007-03-15

Differential operational amplifier

#32
20060119431
2006-06-08

Differential operational amplifier

#33
20060033570
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Differential amplifier

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20060028270
2006-02-09

Adaptable voltage control for a variable gain amplifier

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20050258900
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Adaptable voltage control for a variable gain amplifier

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15283526
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Current-mode hysteresis comparator

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14536443
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Circuits and methods for variable gain amplifiers