ClassID:

219844

H03F2203/45078 - 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 common mode signal being taken or deducted from the one or more inputs of the differential amplifier

Recent Application in this class:
#1
20220052660
2022-02-17

Transconductor circuitry with adaptive biasing

#2
20190229738
2019-07-25

Voltage-to-current conversion

#3
20180358942
2018-12-13

Differential amplifier with modified common mode rejection, and to a circuit with an improved common mode rejection ratio

#4
20170353164
2017-12-07

Light sensor readout system and method of converting light into electrical signals

#5
20170117859
2017-04-27

Light sensor readout system and method of converting light into electrical signals

#6
20160191006
2016-06-30

Reconfigurable amplifier

#7
20160079942
2016-03-17

Common-gate amplifier for high-speed DC-coupling communications

#8
20160013769
2016-01-14

Auto correction driving device and wireless charger driving system using the same

#9
20150349733
2015-12-03

Transmitter digital-to-analog converter (DAC)-baseband filter (BBF) common mode interface

#10
20150222237
2015-08-06

Amplifier with reduced idle power loss using single-ended loops

#11
20150214911
2015-07-30

Circuitry and methods for common-mode rejection calibration

#12
20130229231
2013-09-05

Differential circuit compensating gain enhancement due to self heating of transistors

#13
20120154048
2012-06-21

Amplifier common-mode control methods

#14
20120139638
2012-06-07

Methods and Circuits for Controlling Amplifier Gain Over Process, Voltage, and Temperature

#15
20110057727
2011-03-10

Adaptive common mode bias for differential amplifier input circuits

#16
20100274114
2010-10-28

Signal sensing in an implanted apparatus with an internal reference

#17
20100184399
2010-07-22

Switched current resistor programmable gain array for low-voltage wireless LAN and method using the same

#18
20090289711
2009-11-26

Transconductance amplifier

#19
20090231038
2009-09-17

Differential amplifier

#20
20090212864
2009-08-27

Preamplifier for receiver and method thereof

#21
20090115518
2009-05-07

DIFFERENTIAL AMPLIFIER WITH INPUT STAGE INVERTING COMMON-MODE SIGNALS

#22
20090051433
2009-02-26

Differential sensing with high common mode rejection

#23
20080012642
2008-01-17

Serial link receiver with wide input voltage range and tolerance to high power voltage supply

#24
20070285166
2007-12-13

Fully differential sensing apparatus and input common-mode feedback circuit thereof

#25
20070210872
2007-09-13

Elimination of dummy detector on optical detectors using input common mode feedback

#26
20070200622
2007-08-30

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

#27
20060202721
2006-09-14

Differential comparator with extended common mode voltage range

#28
20050200404
2005-09-15

Amplifier circuit