CA2043838C - Power amplifier having multiple switched stages - Google Patents
Power amplifier having multiple switched stagesInfo
- Publication number
- CA2043838C CA2043838C CA002043838A CA2043838A CA2043838C CA 2043838 C CA2043838 C CA 2043838C CA 002043838 A CA002043838 A CA 002043838A CA 2043838 A CA2043838 A CA 2043838A CA 2043838 C CA2043838 C CA 2043838C
- Authority
- CA
- Canada
- Prior art keywords
- stages
- source
- amplifier
- amplitude
- stage
- 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.)
- Expired - Fee Related
Links
- 230000004044 response Effects 0.000 claims abstract description 111
- 230000008859 change Effects 0.000 claims abstract description 30
- 238000012886 linear function Methods 0.000 claims description 24
- 230000007704 transition Effects 0.000 claims description 22
- 230000003213 activating effect Effects 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 13
- 229920006395 saturated elastomer Polymers 0.000 claims description 9
- 230000007423 decrease Effects 0.000 claims description 8
- 230000006872 improvement Effects 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 230000003134 recirculating effect Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 14
- 238000000034 method Methods 0.000 claims 14
- 239000007787 solid Substances 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 5
- 238000012935 Averaging Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- IJJWOSAXNHWBPR-HUBLWGQQSA-N 5-[(3as,4s,6ar)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]-n-(6-hydrazinyl-6-oxohexyl)pentanamide Chemical compound N1C(=O)N[C@@H]2[C@H](CCCCC(=O)NCCCCCC(=O)NN)SC[C@@H]21 IJJWOSAXNHWBPR-HUBLWGQQSA-N 0.000 description 1
- NPPQSCRMBWNHMW-UHFFFAOYSA-N Meprobamate Chemical compound NC(=O)OCC(C)(CCC)COC(N)=O NPPQSCRMBWNHMW-UHFFFAOYSA-N 0.000 description 1
- 241000135164 Timea Species 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- 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
- H03F3/217—Class D power amplifiers; Switching amplifiers
- H03F3/2178—Class D power amplifiers; Switching amplifiers using more than one switch or switching amplifier in parallel or in series
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US533,646 | 1990-06-05 | ||
| US07/533,646 US5099203A (en) | 1990-06-05 | 1990-06-05 | Power amplifier having multiple switched stages and method of operating same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2043838A1 CA2043838A1 (en) | 1991-12-06 |
| CA2043838C true CA2043838C (en) | 1997-01-21 |
Family
ID=24126870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002043838A Expired - Fee Related CA2043838C (en) | 1990-06-05 | 1991-06-04 | Power amplifier having multiple switched stages |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US5099203A (OSRAM) |
| EP (3) | EP0651501B1 (OSRAM) |
| CN (1) | CN1023174C (OSRAM) |
| CA (1) | CA2043838C (OSRAM) |
| DE (3) | DE466322T1 (OSRAM) |
| ES (2) | ES2116626T3 (OSRAM) |
| IL (1) | IL98244A (OSRAM) |
Families Citing this family (66)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5200707A (en) * | 1990-06-05 | 1993-04-06 | Continental Electronics Corporation | Amplifier with multiple switched stages and noise suppression |
| US5099203A (en) | 1990-06-05 | 1992-03-24 | Continental Electronics Corporation | Power amplifier having multiple switched stages and method of operating same |
| DE69429276T2 (de) * | 1993-06-10 | 2002-07-18 | Crown International, Inc. | Stromversorgungsmodulatorschaltung für sender |
| US5345198A (en) * | 1993-06-10 | 1994-09-06 | Crown International, Inc. | Power supply modulator circuit for transmitter |
| CN1061491C (zh) * | 1994-09-02 | 2001-01-31 | 王冠国际公司 | 发射机的电源调制电路 |
| KR20020067522A (ko) * | 2000-09-21 | 2002-08-22 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 스위칭 전력 증폭기 |
| US6653898B2 (en) | 2000-12-28 | 2003-11-25 | Samsung Electronics Co., Ltd. | High efficiency stage-switching CDMA power amplifier |
| US20020163984A1 (en) * | 2001-05-03 | 2002-11-07 | Katzman Vladimir V. | Clock and data recovery unit based on class B amplifier |
| EP1466399B1 (en) | 2001-12-17 | 2006-03-01 | Koninklijke Philips Electronics N.V. | Isolated converter with synchronized switching leg |
| RU2207713C1 (ru) * | 2002-03-28 | 2003-06-27 | ООО Фирма "Сигнал" | Выходной каскад передатчика непрерывного действия (группа из 4-х устройств) |
| JP2006510256A (ja) * | 2002-12-12 | 2006-03-23 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 能動デバイスの動的スイッチングによるアイソレータ無しの電力増幅器の直線性維持 |
| US6803821B1 (en) * | 2003-04-03 | 2004-10-12 | Fairchild Semiconductor Corporation | Switchable amplifier circuit having reduced shutdown current |
| JP2005109614A (ja) * | 2003-09-29 | 2005-04-21 | Sanyo Electric Co Ltd | 受信装置 |
| US7664520B2 (en) * | 2004-06-24 | 2010-02-16 | Nokia Corporation | Low current direct conversion transmitter architecture |
| US9112452B1 (en) | 2009-07-14 | 2015-08-18 | Rf Micro Devices, Inc. | High-efficiency power supply for a modulated load |
| US9431974B2 (en) | 2010-04-19 | 2016-08-30 | Qorvo Us, Inc. | Pseudo-envelope following feedback delay compensation |
| US8981848B2 (en) | 2010-04-19 | 2015-03-17 | Rf Micro Devices, Inc. | Programmable delay circuitry |
| EP2782246B1 (en) | 2010-04-19 | 2018-06-13 | Qorvo US, Inc. | Pseudo-envelope following power management system |
| US9099961B2 (en) | 2010-04-19 | 2015-08-04 | Rf Micro Devices, Inc. | Output impedance compensation of a pseudo-envelope follower power management system |
| US9954436B2 (en) | 2010-09-29 | 2018-04-24 | Qorvo Us, Inc. | Single μC-buckboost converter with multiple regulated supply outputs |
| WO2012068258A2 (en) | 2010-11-16 | 2012-05-24 | Rf Micro Devices, Inc. | Digital fast cordic for envelope tracking generation |
| CN103444076B (zh) | 2011-02-07 | 2016-05-04 | 射频小型装置公司 | 用于功率放大器包络跟踪的群延迟校准方法 |
| US9246460B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power management architecture for modulated and constant supply operation |
| US9247496B2 (en) | 2011-05-05 | 2016-01-26 | Rf Micro Devices, Inc. | Power loop control based envelope tracking |
| US9379667B2 (en) * | 2011-05-05 | 2016-06-28 | Rf Micro Devices, Inc. | Multiple power supply input parallel amplifier based envelope tracking |
| WO2012166992A1 (en) | 2011-05-31 | 2012-12-06 | Rf Micro Devices, Inc. | Rugged iq receiver based rf gain measurements |
| US9019011B2 (en) | 2011-06-01 | 2015-04-28 | Rf Micro Devices, Inc. | Method of power amplifier calibration for an envelope tracking system |
| US8952710B2 (en) | 2011-07-15 | 2015-02-10 | Rf Micro Devices, Inc. | Pulsed behavior modeling with steady state average conditions |
| US9263996B2 (en) | 2011-07-20 | 2016-02-16 | Rf Micro Devices, Inc. | Quasi iso-gain supply voltage function for envelope tracking systems |
| WO2013033700A1 (en) | 2011-09-02 | 2013-03-07 | Rf Micro Devices, Inc. | Split vcc and common vcc power management architecture for envelope tracking |
| US8957728B2 (en) | 2011-10-06 | 2015-02-17 | Rf Micro Devices, Inc. | Combined filter and transconductance amplifier |
| JP5366032B2 (ja) * | 2011-10-20 | 2013-12-11 | Ｔｄｋ株式会社 | ランプ信号生成回路及びランプ信号調整回路 |
| US9294041B2 (en) | 2011-10-26 | 2016-03-22 | Rf Micro Devices, Inc. | Average frequency control of switcher for envelope tracking |
| US9024688B2 (en) | 2011-10-26 | 2015-05-05 | Rf Micro Devices, Inc. | Dual parallel amplifier based DC-DC converter |
| US9484797B2 (en) | 2011-10-26 | 2016-11-01 | Qorvo Us, Inc. | RF switching converter with ripple correction |
| WO2013063387A2 (en) | 2011-10-26 | 2013-05-02 | Rf Micro Devices, Inc. | Inductance based parallel amplifier phase compensation |
| EP2774241B1 (en) * | 2011-11-03 | 2018-02-28 | Hubbell Incorporated | Control system for synchronous capacitor switch |
| US9250643B2 (en) | 2011-11-30 | 2016-02-02 | Rf Micro Devices, Inc. | Using a switching signal delay to reduce noise from a switching power supply |
| US8975959B2 (en) | 2011-11-30 | 2015-03-10 | Rf Micro Devices, Inc. | Monotonic conversion of RF power amplifier calibration data |
| US9515621B2 (en) | 2011-11-30 | 2016-12-06 | Qorvo Us, Inc. | Multimode RF amplifier system |
| US9041365B2 (en) | 2011-12-01 | 2015-05-26 | Rf Micro Devices, Inc. | Multiple mode RF power converter |
| US9256234B2 (en) | 2011-12-01 | 2016-02-09 | Rf Micro Devices, Inc. | Voltage offset loop for a switching controller |
| US9280163B2 (en) | 2011-12-01 | 2016-03-08 | Rf Micro Devices, Inc. | Average power tracking controller |
| US8947161B2 (en) | 2011-12-01 | 2015-02-03 | Rf Micro Devices, Inc. | Linear amplifier power supply modulation for envelope tracking |
| US9494962B2 (en) | 2011-12-02 | 2016-11-15 | Rf Micro Devices, Inc. | Phase reconfigurable switching power supply |
| US9813036B2 (en) | 2011-12-16 | 2017-11-07 | Qorvo Us, Inc. | Dynamic loadline power amplifier with baseband linearization |
| US9298198B2 (en) | 2011-12-28 | 2016-03-29 | Rf Micro Devices, Inc. | Noise reduction for envelope tracking |
| US8981839B2 (en) | 2012-06-11 | 2015-03-17 | Rf Micro Devices, Inc. | Power source multiplexer |
| WO2014018861A1 (en) | 2012-07-26 | 2014-01-30 | Rf Micro Devices, Inc. | Programmable rf notch filter for envelope tracking |
| US9225231B2 (en) | 2012-09-14 | 2015-12-29 | Rf Micro Devices, Inc. | Open loop ripple cancellation circuit in a DC-DC converter |
| US9197256B2 (en) | 2012-10-08 | 2015-11-24 | Rf Micro Devices, Inc. | Reducing effects of RF mixer-based artifact using pre-distortion of an envelope power supply signal |
| US9207692B2 (en) | 2012-10-18 | 2015-12-08 | Rf Micro Devices, Inc. | Transitioning from envelope tracking to average power tracking |
| US9627975B2 (en) | 2012-11-16 | 2017-04-18 | Qorvo Us, Inc. | Modulated power supply system and method with automatic transition between buck and boost modes |
| US9929696B2 (en) | 2013-01-24 | 2018-03-27 | Qorvo Us, Inc. | Communications based adjustments of an offset capacitive voltage |
| US9178472B2 (en) | 2013-02-08 | 2015-11-03 | Rf Micro Devices, Inc. | Bi-directional power supply signal based linear amplifier |
| WO2014152903A2 (en) | 2013-03-14 | 2014-09-25 | Rf Micro Devices, Inc | Envelope tracking power supply voltage dynamic range reduction |
| WO2014152876A1 (en) | 2013-03-14 | 2014-09-25 | Rf Micro Devices, Inc | Noise conversion gain limited rf power amplifier |
| US9479118B2 (en) | 2013-04-16 | 2016-10-25 | Rf Micro Devices, Inc. | Dual instantaneous envelope tracking |
| US9374005B2 (en) | 2013-08-13 | 2016-06-21 | Rf Micro Devices, Inc. | Expanded range DC-DC converter |
| US9614476B2 (en) | 2014-07-01 | 2017-04-04 | Qorvo Us, Inc. | Group delay calibration of RF envelope tracking |
| US9912297B2 (en) | 2015-07-01 | 2018-03-06 | Qorvo Us, Inc. | Envelope tracking power converter circuitry |
| US9948240B2 (en) | 2015-07-01 | 2018-04-17 | Qorvo Us, Inc. | Dual-output asynchronous power converter circuitry |
| US9973147B2 (en) | 2016-05-10 | 2018-05-15 | Qorvo Us, Inc. | Envelope tracking power management circuit |
| CN107343245B (zh) * | 2017-08-28 | 2023-12-22 | 东莞精恒电子有限公司 | 一种脉宽调制双pwm单元功放模组 |
| US10476437B2 (en) | 2018-03-15 | 2019-11-12 | Qorvo Us, Inc. | Multimode voltage tracker circuit |
| CN113193844B (zh) * | 2021-05-31 | 2022-09-23 | 锐石创芯(深圳)科技股份有限公司 | 推挽功率放大电路 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3506920A (en) * | 1966-02-10 | 1970-04-14 | Gates Radio Co | High efficiency transformer utilizing pulse duration modulation to eliminate audio-rf transformer coupling |
| US3588744A (en) * | 1969-11-07 | 1971-06-28 | Gates Radio Co | Amplitude compensated pulse duration modulator |
| US4164714A (en) * | 1977-09-26 | 1979-08-14 | Harris Corporation | Polyphase PDM amplifier |
| US4140980A (en) * | 1978-02-24 | 1979-02-20 | Rockwell International Corporation | Compensation circuit for trailing edge distortion of pulse-width modulated signal |
| GB2064901B (en) * | 1979-11-30 | 1984-11-07 | Harris Corp | Digital high power amplifier |
| US4369409A (en) * | 1980-08-05 | 1983-01-18 | Patelhold Patentverwertungs- & Elektro-Holding A.G. | Low-frequency power amplifier |
| US4468626A (en) * | 1982-01-25 | 1984-08-28 | Harris Corporation | Polyphase PDM amplifier |
| EP0124765B1 (de) * | 1983-05-10 | 1987-09-02 | BBC Brown Boveri AG | Schaltverstärker zur digitalen Leistungsverstärkung |
| DE3534979A1 (de) * | 1985-07-25 | 1987-01-29 | Licentia Gmbh | Netzgeraet |
| US4724420A (en) * | 1985-12-19 | 1988-02-09 | Varian Associates, Inc. | Method and apparatus for quasi-analog reconstructions of amplitude and frequency varying analog input signals |
| US4747161A (en) * | 1986-02-25 | 1988-05-24 | Varian Associates, Inc. | AM-RF transmitter with compensation for power supply variations |
| US4776036A (en) * | 1986-02-25 | 1988-10-04 | Varian Associates, Inc. | RF-AM transmitter with pulse width modulator |
| US4896372A (en) * | 1986-02-25 | 1990-01-23 | Varian Associates, Inc. | Pulse width modulator for AM-RF transmitter |
| US4748421A (en) * | 1987-04-08 | 1988-05-31 | Scs Telecom, Inc. | Enhanced class SM power amplifier |
| US4831334A (en) * | 1987-06-08 | 1989-05-16 | Hughes Aircraft Company | Envelope amplifier |
| DE3805754A1 (de) * | 1988-02-24 | 1989-09-07 | Olympia Aeg | Digitaler schaltverstaerker |
| US5099203A (en) | 1990-06-05 | 1992-03-24 | Continental Electronics Corporation | Power amplifier having multiple switched stages and method of operating same |
-
1990
- 1990-06-05 US US07/533,646 patent/US5099203A/en not_active Expired - Lifetime
-
1991
- 1991-05-23 IL IL9824491A patent/IL98244A/en active IP Right Grant
- 1991-06-04 ES ES95100838T patent/ES2116626T3/es not_active Expired - Lifetime
- 1991-06-04 ES ES91305053T patent/ES2032739T3/es not_active Expired - Lifetime
- 1991-06-04 EP EP95100838A patent/EP0651501B1/en not_active Revoked
- 1991-06-04 EP EP95118442A patent/EP0703662A2/en not_active Withdrawn
- 1991-06-04 DE DE199191305053T patent/DE466322T1/de active Pending
- 1991-06-04 CA CA002043838A patent/CA2043838C/en not_active Expired - Fee Related
- 1991-06-04 DE DE69131242T patent/DE69131242T2/de not_active Expired - Fee Related
- 1991-06-04 EP EP91305053A patent/EP0466322B1/en not_active Expired - Lifetime
- 1991-06-04 DE DE69129340T patent/DE69129340T2/de not_active Expired - Fee Related
- 1991-06-04 CN CN91104560A patent/CN1023174C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0466322B1 (en) | 1999-05-19 |
| ES2032739T3 (es) | 1999-09-16 |
| DE69131242D1 (de) | 1999-06-24 |
| EP0703662A3 (OSRAM) | 1996-05-01 |
| ES2116626T3 (es) | 1998-07-16 |
| EP0466322A3 (en) | 1992-05-06 |
| US5099203A (en) | 1992-03-24 |
| CN1023174C (zh) | 1993-12-15 |
| EP0703662A2 (en) | 1996-03-27 |
| EP0651501A3 (en) | 1995-06-07 |
| IL98244A (en) | 1996-01-19 |
| EP0651501A2 (en) | 1995-05-03 |
| IL98244A0 (en) | 1992-06-21 |
| EP0651501B1 (en) | 1998-04-29 |
| ES2032739T1 (es) | 1993-03-01 |
| DE69129340D1 (de) | 1998-06-04 |
| DE69129340T2 (de) | 1998-10-15 |
| CN1058496A (zh) | 1992-02-05 |
| DE466322T1 (de) | 1992-12-17 |
| EP0466322A2 (en) | 1992-01-15 |
| CA2043838A1 (en) | 1991-12-06 |
| DE69131242T2 (de) | 1999-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |