JP6798086B2 - エンベロープトラッキングバイアス回路及び電力増幅装置 - Google Patents
エンベロープトラッキングバイアス回路及び電力増幅装置 Download PDFInfo
- Publication number
- JP6798086B2 JP6798086B2 JP2018116339A JP2018116339A JP6798086B2 JP 6798086 B2 JP6798086 B2 JP 6798086B2 JP 2018116339 A JP2018116339 A JP 2018116339A JP 2018116339 A JP2018116339 A JP 2018116339A JP 6798086 B2 JP6798086 B2 JP 6798086B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- circuit
- control signal
- envelope
- operating voltage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 257
- 230000004044 response Effects 0.000 claims description 125
- 239000000872 buffer Substances 0.000 claims description 83
- 230000003321 amplification Effects 0.000 claims description 32
- 230000002238 attenuated effect Effects 0.000 claims description 32
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 32
- 230000008030 elimination Effects 0.000 claims 1
- 238000003379 elimination reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 17
- 239000003990 capacitor Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 8
- 230000000903 blocking effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 1
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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2017-0138695 | 2017-10-24 | ||
KR20170138695 | 2017-10-24 | ||
KR1020170178413A KR102029554B1 (ko) | 2017-10-24 | 2017-12-22 | 엔벨로프 바이어스 회로 및 파워 증폭 장치 |
KR10-2017-0178413 | 2017-12-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019080300A JP2019080300A (ja) | 2019-05-23 |
JP6798086B2 true JP6798086B2 (ja) | 2020-12-09 |
Family
ID=66583044
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018116339A Active JP6798086B2 (ja) | 2017-10-24 | 2018-06-19 | エンベロープトラッキングバイアス回路及び電力増幅装置 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6798086B2 (ko) |
KR (1) | KR102029554B1 (ko) |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5886572A (en) * | 1997-07-25 | 1999-03-23 | Motorola, Inc. | Method and apparatus for reducing distortion in a power amplifier |
JP2006287337A (ja) * | 2005-03-31 | 2006-10-19 | Toshiba Corp | 無線送信機 |
JP6097961B2 (ja) * | 2011-06-24 | 2017-03-22 | 住友電工デバイス・イノベーション株式会社 | 増幅回路および窒化物半導体装置 |
US20140266448A1 (en) * | 2013-03-14 | 2014-09-18 | Qualcomm Incorporated | Adapative power amplifier |
US9225362B2 (en) * | 2013-03-14 | 2015-12-29 | Quantance, Inc. | Power supply |
KR101467231B1 (ko) * | 2014-02-19 | 2014-12-01 | 성균관대학교산학협력단 | 포락선 추적 모드 또는 평균 전력 추적 모드로 동작하는 멀티 모드 바이어스 변조기 및 이를 이용한 포락선 추적 전력 증폭 장치 |
JP6314572B2 (ja) | 2014-03-20 | 2018-04-25 | 三菱電機株式会社 | ひずみ補正回路 |
KR101656851B1 (ko) * | 2014-08-05 | 2016-09-12 | 포항공과대학교 산학협력단 | 포락선 추적 전원 변조부 및 이를 적용한 전력증폭 시스템 |
JP6720647B2 (ja) * | 2016-03-31 | 2020-07-08 | 株式会社富士通ゼネラル | 電力増幅装置及びその制御方法 |
-
2017
- 2017-12-22 KR KR1020170178413A patent/KR102029554B1/ko active IP Right Grant
-
2018
- 2018-06-19 JP JP2018116339A patent/JP6798086B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
KR20190045791A (ko) | 2019-05-03 |
JP2019080300A (ja) | 2019-05-23 |
KR102029554B1 (ko) | 2019-10-07 |
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