KR20150042504A - 광대역 고선형 증폭기 - Google Patents
광대역 고선형 증폭기 Download PDFInfo
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- KR20150042504A KR20150042504A KR20130121235A KR20130121235A KR20150042504A KR 20150042504 A KR20150042504 A KR 20150042504A KR 20130121235 A KR20130121235 A KR 20130121235A KR 20130121235 A KR20130121235 A KR 20130121235A KR 20150042504 A KR20150042504 A KR 20150042504A
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- 230000003321 amplification Effects 0.000 claims abstract description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 10
- 230000002194 synthesizing effect Effects 0.000 claims abstract description 3
- 238000013016 damping Methods 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 11
- 150000004767 nitrides Chemical group 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
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Classifications
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- 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
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- 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
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- 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
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- 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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
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- 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
- H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
- H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
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- 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
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
-
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
-
- 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
- H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
Abstract
Description
도 2는 본 발명의 일 실시예에 따른 광대역 고선형 증폭기에 포함되는 피드백 루프의 모습을 나타내는 블록도.
40: 감쇠부
50: 합성부
60: 증폭부
70: 분배부
80: 역보상 감쇠부
Claims (8)
- 복수 대역의 디지털 신호를 각각 선형화하는 복수의 전치왜곡부;
상기 전치왜곡기들의 출력신호를 합성하는 합성부;
상기 합성기로부터 출력되는 신호를 증폭하는 단일의 증폭부;
상기 증폭부의 출력 신호로부터 상기 복수 대역별 신호들을 각각 분리하는 분배부를 구비하고, 상기 분리된 복수 대역별 신호들을 각각 감쇠시키는 복수의 역보상 감쇠부를 구비하며, 상기 감쇠된 복수 대역별 신호를 상기 복수의 전치왜곡부 중 대응하는 대역의 전치왜곡부에 각각 피드백하는 피드백 지로
를 포함하는 광대역 고선형 증폭기.
- 제1항에 있어서,
상기 전치왜곡부들로부터 출력되는 신호를 각각 감쇠시키는 복수의 감쇠부를 더 포함하는, 광대역 고선형 증폭기.
- 제2항에 있어서,
상기 역보상 감쇠부들 및 상기 감쇠부들 중 동일 대역에 구비되는 역보상 감쇠부 및 감쇠부에 의한 제어량의 합은 루프 이득"(Loop gain)이 유지되도록 일정하게 제어되는, 광대역 고선형 증폭기.
- 제3항에 있어서,
상기 역보상 감쇠부 및 상기 감쇠부에 의한 제어량의 합은 30dB인, 광대역 고선형 증폭기.
- 제4항에 있어서,
상기 역보상 감쇠부 및 상기 감쇠부는 각각 0 내지 30dB의 범위에서 출력을 제어하는, 광대역 고선형 증폭기.
- 제1항에 있어서,
상기 전치왜곡부는 CFR(Crest factor reduction) 기능을 갖는 디지털 전치 왜곡기인, 광대역 고선형 증폭기.
- 제1항에 있어서,
상기 분배부는 상기 복수 대역별 신호들을 분리 시에 적어도 각 대역의 2배 크기의 대역을 갖도록 분리하는, 광대역 고선형 증폭기.
- 제1항에 있어서,
상기 증폭부는 질화물(GaN) 증폭기인, 광대역 고선형 증폭기.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130121235A KR102075402B1 (ko) | 2013-10-11 | 2013-10-11 | 광대역 고선형 증폭기 |
| US14/411,479 US9825595B2 (en) | 2013-10-11 | 2013-12-23 | Wideband highly linear amplifier |
| PCT/KR2013/012042 WO2015053435A1 (ko) | 2013-10-11 | 2013-12-23 | 광대역 고선형 증폭기 |
| US15/788,122 US10187018B2 (en) | 2013-10-11 | 2017-10-19 | Wideband highly linear amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130121235A KR102075402B1 (ko) | 2013-10-11 | 2013-10-11 | 광대역 고선형 증폭기 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20150042504A true KR20150042504A (ko) | 2015-04-21 |
| KR102075402B1 KR102075402B1 (ko) | 2020-02-11 |
Family
ID=52813243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020130121235A Active KR102075402B1 (ko) | 2013-10-11 | 2013-10-11 | 광대역 고선형 증폭기 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US9825595B2 (ko) |
| KR (1) | KR102075402B1 (ko) |
| WO (1) | WO2015053435A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10116264B1 (en) | 2017-05-31 | 2018-10-30 | Corning Optical Communications Wireless Ltd | Calibrating a power amplifier such as in a remote unit in a wireless distribution system (WDS) |
| US11159134B2 (en) * | 2019-12-19 | 2021-10-26 | Nxp Usa, Inc. | Multiple-stage power amplifiers and amplifier arrays configured to operate using the same output bias voltage |
| US20240413797A1 (en) * | 2023-06-09 | 2024-12-12 | Analog Devices International Unlimited Company | Multi-rate multistage digital compensator for nonlinear systems |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030035448A (ko) * | 2001-10-31 | 2003-05-09 | 엘지전자 주식회사 | 디지탈 선형화기 |
| US20050157814A1 (en) * | 2004-01-21 | 2005-07-21 | Armando Cova | Wideband enhanced digital injection predistortion system and method |
| US7015751B2 (en) * | 2001-06-28 | 2006-03-21 | Simon Fraser University | Decorrelated power amplifier linearizers |
| JP2006128922A (ja) * | 2004-10-27 | 2006-05-18 | Ntt Docomo Inc | プリディストータ及びプリディストーション方法 |
| KR20110109065A (ko) * | 2010-03-30 | 2011-10-06 | (주)에어포인트 | 증폭 특성 정보를 가지는 전력 증폭 장치 및 그 방법과 그를 이용한 전치 왜곡 시스템 및 그 방법 |
| US20120154038A1 (en) * | 2010-12-21 | 2012-06-21 | Dali Systems Co. Ltd. | Multi-band wideband power amplifier digital predistorition system and method |
| JP2013021617A (ja) * | 2011-07-13 | 2013-01-31 | Toshiba Corp | 送信装置とその励振器および歪み補償方法 |
| US20140347126A1 (en) * | 2013-05-22 | 2014-11-27 | Telefonaktiebolaget L M Ericsson (Publ) | Low complexity digital predistortion for concurrent multi-band transmitters |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8229372B2 (en) * | 2010-03-16 | 2012-07-24 | Motorola Solutions, Inc. | Parallel forward path cartesian feedback loop and loop filter with switchable order for cartesian feedback loops |
| US8964892B2 (en) * | 2011-08-23 | 2015-02-24 | Motorola Solutions, Inc. | Apparatus and method for operating a transmitter |
-
2013
- 2013-10-11 KR KR1020130121235A patent/KR102075402B1/ko active Active
- 2013-12-23 US US14/411,479 patent/US9825595B2/en active Active
- 2013-12-23 WO PCT/KR2013/012042 patent/WO2015053435A1/ko active Application Filing
-
2017
- 2017-10-19 US US15/788,122 patent/US10187018B2/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7015751B2 (en) * | 2001-06-28 | 2006-03-21 | Simon Fraser University | Decorrelated power amplifier linearizers |
| KR20030035448A (ko) * | 2001-10-31 | 2003-05-09 | 엘지전자 주식회사 | 디지탈 선형화기 |
| US20050157814A1 (en) * | 2004-01-21 | 2005-07-21 | Armando Cova | Wideband enhanced digital injection predistortion system and method |
| JP2006128922A (ja) * | 2004-10-27 | 2006-05-18 | Ntt Docomo Inc | プリディストータ及びプリディストーション方法 |
| KR20110109065A (ko) * | 2010-03-30 | 2011-10-06 | (주)에어포인트 | 증폭 특성 정보를 가지는 전력 증폭 장치 및 그 방법과 그를 이용한 전치 왜곡 시스템 및 그 방법 |
| US20120154038A1 (en) * | 2010-12-21 | 2012-06-21 | Dali Systems Co. Ltd. | Multi-band wideband power amplifier digital predistorition system and method |
| JP2013021617A (ja) * | 2011-07-13 | 2013-01-31 | Toshiba Corp | 送信装置とその励振器および歪み補償方法 |
| US20140347126A1 (en) * | 2013-05-22 | 2014-11-27 | Telefonaktiebolaget L M Ericsson (Publ) | Low complexity digital predistortion for concurrent multi-band transmitters |
Non-Patent Citations (4)
| Title |
|---|
| S. A. Bassam et al., "2-D Digital Predistortion (2-D-DPD) Architecture for Concurrent Dual-Band Transmitters", IEEE Trans. Microw. Theory Tech., vol. 59, no. 10, pp. 1990-1999, October 2011. * |
| S. A. Bassam et al., "Linearization of Concurrent Dual-Band Power Amplifier Based on 2D-DPD Technique", IEEE Microw. Wireless Compon. Lett., vol. 21, no. 12, pp. 685-687, December 2011.* * |
| S. A. Bassam et al., "Subsampling Feedback Loop Applicable to Concurrent Dual-Band Linearization Architecture", IEEE Trans. Microw. Theory Tech., vol. 60, no. 6, pp. 1990-1999, June 2012. * |
| W. Chen et al., "Design and Linearization of Concurrent Dual-Band Doherty Power Amplifier With ...", IEEE Trans. Microw. Theory Tech., vol. 59, no. 10, pp. 2537-2546, October 2011. * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160254787A1 (en) | 2016-09-01 |
| WO2015053435A1 (ko) | 2015-04-16 |
| US20180048269A1 (en) | 2018-02-15 |
| KR102075402B1 (ko) | 2020-02-11 |
| US9825595B2 (en) | 2017-11-21 |
| US10187018B2 (en) | 2019-01-22 |
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