SG10201906204QA - Amplifier linearity boost circuits and methods for post distortion feedback cancelation - Google Patents
Amplifier linearity boost circuits and methods for post distortion feedback cancelationInfo
- Publication number
- SG10201906204QA SG10201906204QA SG10201906204QA SG10201906204QA SG10201906204QA SG 10201906204Q A SG10201906204Q A SG 10201906204QA SG 10201906204Q A SG10201906204Q A SG 10201906204QA SG 10201906204Q A SG10201906204Q A SG 10201906204QA SG 10201906204Q A SG10201906204Q A SG 10201906204QA
- Authority
- SG
- Singapore
- Prior art keywords
- methods
- boost circuits
- amplifier linearity
- distortion feedback
- post distortion
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
- H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
- H03F1/0216—Continuous control
- H03F1/0222—Continuous control by using a signal derived from the input signal
- H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3205—Modifications of amplifiers to reduce non-linear distortion in field-effect transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3282—Acting on the phase and the amplitude of the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3294—Acting on the real and imaginary components of the input signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/342—Negative-feedback-circuit arrangements with or without positive feedback in field-effect transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/56—Modifications of input or output impedances, not otherwise provided for
- H03F1/565—Modifications of input or output impedances, not otherwise provided for using inductive elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/181—Low-frequency amplifiers, e.g. audio preamplifiers
- H03F3/183—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only
- H03F3/185—Low-frequency amplifiers, e.g. audio preamplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/189—High-frequency amplifiers, e.g. radio frequency amplifiers
- H03F3/19—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
- H03F3/193—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0088—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using discontinuously variable devices, e.g. switch-operated
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
- H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
- H03F2201/3231—Adaptive predistortion using phase feedback from the output of the main amplifier
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Multimedia (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201862694488P | 2018-07-06 | 2018-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SG10201906204QA true SG10201906204QA (en) | 2020-02-27 |
Family
ID=67540145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SG10201906204QA SG10201906204QA (en) | 2018-07-06 | 2019-07-03 | Amplifier linearity boost circuits and methods for post distortion feedback cancelation |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US11038465B2 (ko) |
| JP (1) | JP7247039B2 (ko) |
| KR (1) | KR20200005465A (ko) |
| CN (1) | CN110690862A (ko) |
| DE (1) | DE102019209713A1 (ko) |
| GB (1) | GB2576417B (ko) |
| SG (1) | SG10201906204QA (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018154659A1 (ja) * | 2017-02-22 | 2018-08-30 | 住友電気工業株式会社 | バイアス回路 |
| US11088668B2 (en) * | 2019-02-14 | 2021-08-10 | Psemi Corporation | LNA with controlled phase bypass |
| US11095254B1 (en) * | 2020-01-23 | 2021-08-17 | Analog Devices International Unlimited Company | Circuits and methods to reduce distortion in an amplifier |
| US11264953B2 (en) * | 2020-01-31 | 2022-03-01 | Analog Devices International Unlimited Company | Bias arrangements for improving linearity of amplifiers |
| CN111682851B (zh) * | 2020-08-13 | 2020-12-04 | 成都嘉纳海威科技有限责任公司 | 一种5g通信抗失配宽带低噪声放大器 |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0690123A (ja) * | 1991-12-05 | 1994-03-29 | Fujitsu Ltd | 帰還回路 |
| JPH05243860A (ja) * | 1992-02-28 | 1993-09-21 | Fujitsu Ltd | 増幅回路 |
| US5565672A (en) * | 1994-12-30 | 1996-10-15 | Lucent Technologies Inc. | Optical transimpedance receiver with compensation network |
| JPH1131931A (ja) * | 1997-07-09 | 1999-02-02 | Toshiba Corp | 高周波増幅器 |
| US20030080811A1 (en) * | 2001-10-05 | 2003-05-01 | Toshifumi Nakatani | Variable gain amplifying apparatus and wireless communication apparatus |
| US7224222B2 (en) * | 2005-01-03 | 2007-05-29 | Tsz Yin Yum | High efficiency linear RF amplifier |
| US7218175B1 (en) * | 2005-04-11 | 2007-05-15 | Sirenza Microdevices, Inc. | Dynamic feedback linearization |
| KR100705326B1 (ko) * | 2006-05-25 | 2007-04-10 | 삼성전자주식회사 | 피드백형 가변이득 증폭기 및 그 제어방법 |
| US7656229B2 (en) * | 2008-01-28 | 2010-02-02 | Qualcomm, Incorporated | Method and apparatus for reducing intermodulation distortion in an electronic device having an amplifier circuit |
| US8704598B2 (en) * | 2010-05-28 | 2014-04-22 | Rf Micro Devices, Inc. | Linear FET feedback amplifier |
| US8766746B2 (en) * | 2011-09-21 | 2014-07-01 | Fujitsu Limited | Active inductor |
| US9054653B2 (en) * | 2013-01-11 | 2015-06-09 | Rfaxis, Inc. | On-die harmonics filtering for radio frequency power amplifiers |
| KR101565663B1 (ko) * | 2013-12-30 | 2015-11-03 | 삼성전기주식회사 | 전력 증폭기 |
| US9479123B2 (en) * | 2014-01-18 | 2016-10-25 | Ali Mohamed Darwish | Method and system for linearizing an amplifier using transistor-level dynamic feedback |
| KR101902381B1 (ko) * | 2017-01-13 | 2018-10-01 | 한국과학기술원 | 클래스-씨 전력 증폭기를 이용한 선형 전력 증폭 회로 |
| CN107733375B (zh) * | 2017-11-03 | 2020-08-11 | 西安电子科技大学 | 超宽带低噪声放大器 |
-
2019
- 2019-07-02 CN CN201910591321.6A patent/CN110690862A/zh active Pending
- 2019-07-03 GB GB1909577.7A patent/GB2576417B/en active Active
- 2019-07-03 JP JP2019124105A patent/JP7247039B2/ja active Active
- 2019-07-03 US US16/502,200 patent/US11038465B2/en active Active
- 2019-07-03 KR KR1020190080011A patent/KR20200005465A/ko unknown
- 2019-07-03 SG SG10201906204QA patent/SG10201906204QA/en unknown
- 2019-07-03 DE DE102019209713.8A patent/DE102019209713A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TW202007076A (zh) | 2020-02-01 |
| JP7247039B2 (ja) | 2023-03-28 |
| GB201909577D0 (en) | 2019-08-14 |
| US20200014332A1 (en) | 2020-01-09 |
| GB2576417B (en) | 2022-12-14 |
| DE102019209713A1 (de) | 2020-01-09 |
| GB2576417A (en) | 2020-02-19 |
| US11038465B2 (en) | 2021-06-15 |
| CN110690862A (zh) | 2020-01-14 |
| KR20200005465A (ko) | 2020-01-15 |
| JP2020010333A (ja) | 2020-01-16 |
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