Patents-Review.com
ClassID:

219636 ⎘

H03F2200/42 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the input to the amplifier being made by capacitive coupling means

Recent Application in this class:
#1
20250279757
2025-09-04

SWITCHED CAPACITOR CIRCUIT

 #2
20250260370
2025-08-14

Cascode Amplifier Bias Circuits

 #3
20250167736
2025-05-22

Low-Noise Amplifier

 #4
20250150034
2025-05-08

Body Tie Optimization for Stacked Transistor Amplifier

 #5
20250044585
2025-02-06

PHOTOSENSITIVE SYSTEM, DISPLAY APPARATUS AND METHOD FOR DETERMINING POSITION OF HUMAN EYE

 #6
20240364269
2024-10-31

Source Switched Split LNA

 #7
20240348211
2024-10-17

Cascode amplifier bias circuits

 #8
20230387864
2023-11-30

Cascode amplifier bias circuits

 #9
20230318549
2023-10-05

HIGH IMPEDANCE AND COMPACT NEURAL SENSOR FRONT-END

 #10
20230283237
2023-09-07

Body tie optimization for stacked transistor amplifier

 #11
20220368287
2022-11-17

Cascode amplifier bias circuits

 #12
20220224288
2022-07-14

Local oscillator buffer

 #13
20210336584
2021-10-28

Source switched split LNA

 #14
20210320634
2021-10-14

Amplifiers suitable for mm-wave signal splitting and combining

 #15
20210067096
2021-03-04

Body tie optimization for stacked transistor amplifier

 #16
20210013841
2021-01-14

Cascode amplifier bias circuits

 #17
20210013837
2021-01-14

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

 #18
20200389130
2020-12-10

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

 #19
20200321931
2020-10-08

Amplifiers suitable for mm-wave signal splitting and combining

 #20
20200168734
2020-05-28

Self-biasing and self-sequencing of depletion mode transistors

 #21
20200144967
2020-05-07

Source switched split LNA

 #22
20200052664
2020-02-13

MATRIX POWER AMPLIFIER

 #23
20190379330
2019-12-12

Body tie optimization for stacked transistor amplifier

 #24
20190356282
2019-11-21

MEMS sensor

 #25
20190334487
2019-10-31

Amplifier

 #26
20190288651
2019-09-19

Matrix power amplifier

 #27
20190245085
2019-08-08

Self-biasing and self-sequencing of depletion-mode transistors

 #28
20190243169
2019-08-08

Operating a high-frequency driver circuit

 #29
20190158031
2019-05-23

Cascode amplifier bias circuits

 #30
20190140598
2019-05-09

Multiple-stage power amplifiers implemented with multiple semiconductor technologies

 #31
20190131935
2019-05-02

Circuit having high-pass filter with variable corner frequency

 #32
20190131462
2019-05-02

Pseudo-resistor structure, a closed-loop operational amplifier circuit and a bio-potential sensor

 #33
20190115876
2019-04-18

Power amplifier with nulling monitor circuit

 #34
20190036490
2019-01-31

Amplifier circuit for amplifying an output signal of a capacitive sensor

 #35
20190020314
2019-01-17

RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof

 #36
20180309411
2018-10-25

Push-pull amplification systems and methods

 #37
20180302039
2018-10-18

Source switched split LNA

 #38
20180198420
2018-07-12

RF amplifier

 #39
20180175801
2018-06-21

Inter-stage network for radio frequency amplifier

 #40
20180159475
2018-06-07

Body tie optimization for stacked transistor amplifier

 #41
20180143068
2018-05-24

Sensing circuit comprising an amplifying circuit and an amplifying circuit

 #42
20180131330
2018-05-10

Amplifier and optical transmitter using the same

 #43
20180097484
2018-04-05

Matrix power amplifier

 #44
20180083578
2018-03-22

Cascode amplifier bias circuits

 #45
20170373649
2017-12-28

Methods and devices for ramping a switched capacitor power amplifier

 #46
20170331366
2017-11-16

Switched-capacitor buffer and related methods

 #47
20170111012
2017-04-20

Method and apparatus for maintaining DC bias

 #48
20170085234
2017-03-23

Apparatus for performing capacitor amplification in an electronic device

 #49
20170077883
2017-03-16

Self-regulated reference for switched capacitor circuit

 #50
20160365859
2016-12-15

Wideband highly-linear low output impedance D2S buffer circuit

 #51
20160294382
2016-10-06

Pass device with boost voltage regulation and current gain for VCSEL driving applications

 #52
20160285418
2016-09-29

RF amplifier with conductor-less region underlying filter circuit inductor, and methods of manufacture thereof

 #53
20160261237
2016-09-08

Distributed amplifier

 #54
20160118941
2016-04-28

Amplification of a radio frequency signal

 #55
20160112018
2016-04-21

Circuits and methods for reducing supply sensitivity in a power amplifier

 #56
20150280661
2015-10-01

Single-input multiple-output amplifiers with simultaneous multiple gain modes

 #57
20130120048
2013-05-16

DC OFFSET CANCELATION CIRCUIT

 #58
20080214139
2008-09-04

Multistage Resonant Amplifier System and Method

 #59
20080180175
2008-07-31

Variable gain amplifier and control method thereof

 #60
20080157876
2008-07-03

Low strain variable frequency amplifier

 #61
20080042769
2008-02-21

Oscillator with stacked amplifier

 #62
20070164826
2007-07-19

Gain controllable low noise amplifier and wireless communication receiver having the same

 #63
20070120606
2007-05-31

Base station power amplifier for memory effect minimization

 #64
20050206412
2005-09-22

High frequency differential power amplifier