H03F2203/45246 - CPC Classification Index

ClassID:

219928 ⎘

H03F2203/45246 - 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 dif amp being biased in the subthreshold region

Recent Application in this class:

20230412135

2023-12-21

VARIABLE GAIN AMPLIFIER WITH SUBTHRESHOLD BIASING

20200395905

2020-12-17

MULTI-STAGE AND FEED FORWARD COMPENSATED COMPLEMENTARY CURRENT FIELD EFFECT TRANSISTOR AMPLIFIERS

20200027880

2020-01-23

SUPER-SATURATION CURRENT FIELD EFFECT TRANSISTOR AND TRANS-IMPEDANCE MOS DEVICE

20200014349

2020-01-09

LOW NOISE TRANS-IMPEDANCE AMPLIFIERS BASED ON COMPLEMENTARY CURRENT-INJECTION FIELD-EFFECT TRANSISTOR DEVICES

20190334491

2019-10-31

CONTROL CIRCUIT

20190252382

2019-08-15

Super-saturation current field effect transistor and trans-impedance MOS device

20190140609

2019-05-09

Hybrid variable gain amplifier

20180308843

2018-10-25

Super-saturation current field effect transistor and trans-impedance MOS device

20180226930

2018-08-09

Multi-stage and feed forward compensated complementary current field effect transistor amplifiers

#10

20180219519

2018-08-02

Low noise trans-impedance amplifiers based on complementary current field-effect transistor devices

#11

20160072442

2016-03-10

System and method for inductor isolation

#12

20130181775

2013-07-18

Rail-to rail input circuit

#13

20090243724

2009-10-01

Third order derivative distortion cancellation for ultra low power applications

#14

20090195310

2009-08-06

LNA having a post-distortion mode and a high-gain mode

#15

20060141964

2006-06-29

Variable gain amplifier device