ClassID:

219948

H03F2203/45286 - 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 temperature dependence of a differential amplifier being controlled

Recent Application in this class:
#1
20230028576
2023-01-26

OFFSET CORRECTION CIRCUIT

#2
20220352858
2022-11-03

Operational amplifier and method for operating an operational amplifier

#3
20220123701
2022-04-21

Offset correction circuit

#4
20190363679
2019-11-28

NEGATIVE CAPACITANCE CIRCUITS INCLUDING TEMPERATURE-COMPENSATION BIASINGS

#5
20190296756
2019-09-26

Low power amplifier structures and calibrations for the low power amplifier structures

#6
20190253024
2019-08-15

Flame scanner having non-linear amplifier with temperature compensation

#7
20190207564
2019-07-04

Negative capacitance circuits including temperature-compensation biasings

#8
20180076776
2018-03-15

Semiconductor circuit

#9
20170331489
2017-11-16

Integrated circuit with on chip variation reduction

#10
20170288615
2017-10-05

Temperature compensated offset cancellation for high-speed amplifiers

#11
20170272038
2017-09-21

Offset correction circuit and transconductance proportional current generation circuit

#12
20170115684
2017-04-27

Switched-capacitor bandgap reference circuit using chopping technique

#13
20160134247
2016-05-12

Auto-zero circuit of operational amplifier

#14
20160079931
2016-03-17

Differential two-stage amplifier and operation method thereof

#15
20150185753
2015-07-02

Differential operational amplifier and bandgap reference voltage generating circuit

#16
20120269363
2012-10-25

Temperature compensated microphone

#17
20110156816
2011-06-30

Biasing circuit for differential amplifier

#18
20110067083
2011-03-17

Fully integrated tuner architecture

#19
20100237884
2010-09-23

Integrated switchless programmable attenuator and low noise amplifier

#20
20090189694
2009-07-30

Differential amplifier with accurate input offset voltage

#21
20080284919
2008-11-20

Fully integrated tuner architecture

#22
20070194849
2007-08-23

Method for nullifying temperature dependence and circuit therefor

#23
20070120605
2007-05-31

Integrated switchless programmable attenuator and low noise amplifier

#24
20070077908
2007-04-05

Fully integrated tuner architecture

#25
20070024262
2007-02-01

Integrated circuit apparatus and method of compensating a current

#26
20070013433
2007-01-18

Temperature compensation for internal inductor resistance

#27
20060290428
2006-12-28

Variable gain amplifier with temperature compensation and gain linearity enhancement

#28
20060214689
2006-09-28

Differential output driver and semiconductor device having the same

#29
20060132235
2006-06-22

Gain-controlled amplifier, receiver circuit and radio communication device

#30
20050179493
2005-08-18

Temperature controlled, log-linear gain control circuit for amplifiers

#31
20050153677
2005-07-14

System and method for on-chip filter tuning

#32
20050107055
2005-05-19

Integrated switchless programmable attenuator and low noise amplifier

#33
15836191
2019-05-07

System and method for generating high-voltage radio frequency signals using an electronically tuned resonator

#34
15418327
2018-12-11

Transconductor circuit for a fourth order PLL