IN2014CN03801A - - Google Patents
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- Publication number
- IN2014CN03801A IN2014CN03801A IN3801CHN2014A IN2014CN03801A IN 2014CN03801 A IN2014CN03801 A IN 2014CN03801A IN 3801CHN2014 A IN3801CHN2014 A IN 3801CHN2014A IN 2014CN03801 A IN2014CN03801 A IN 2014CN03801A
- Authority
- IN
- India
- Prior art keywords
- signal
- output signal
- radio frequency
- envelope
- non linear
- Prior art date
Links
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
- H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several 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
- H03F1/02—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
- H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
-
- 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
- H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
-
- 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
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
- H03F2203/20—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers
- H03F2203/21—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
- H03F2203/211—Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
- H03F2203/21106—An input signal being distributed in parallel over the inputs of a plurality of power amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161577741P | 2011-12-20 | 2011-12-20 | |
| PCT/EP2012/056429 WO2013091905A1 (en) | 2011-12-20 | 2012-04-10 | Radio frequency power amplifier circuit and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2014CN03801A true IN2014CN03801A (de) | 2015-10-16 |
Family
ID=45954664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN3801CHN2014 IN2014CN03801A (de) | 2011-12-20 | 2012-04-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8917141B2 (de) |
| EP (1) | EP2748924B1 (de) |
| IN (1) | IN2014CN03801A (de) |
| WO (1) | WO2013091905A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10181867B2 (en) * | 2015-10-08 | 2019-01-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Crest factor reduction in a radio transmitter |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE516847C2 (sv) | 2000-07-07 | 2002-03-12 | Ericsson Telefon Ab L M | Sammansatt förstärkare samt sändare som innefattar en sådan förstärkare |
| SE516145C2 (sv) | 2000-06-06 | 2001-11-26 | Ericsson Telefon Ab L M | Sammansatt förstärkare |
| SE516852C2 (sv) | 2000-07-07 | 2002-03-12 | Ericsson Telefon Ab L M | Sammansatt förstärkare, sändare med sådan förstärkare samt förfarande för att driva en dylik förstärkare resp. sändare |
| SE521268C2 (sv) | 2001-05-18 | 2003-10-14 | Ericsson Telefon Ab L M | Sammansatt förstärkare med optimerad linjäritet och effektivitet |
| SE521673C2 (sv) * | 2001-11-29 | 2003-11-25 | Ericsson Telefon Ab L M | Sammansatt förstärkare |
| US7260157B2 (en) * | 2002-11-21 | 2007-08-21 | Sotoudeh Hamedi Hagh | Phase shifted transmitter architecture for communication systems |
| US7038539B2 (en) * | 2003-05-06 | 2006-05-02 | Powerwave Technologies, Inc. | RF amplifier employing active load linearization |
| EP1959565A1 (de) | 2004-06-18 | 2008-08-20 | Mitsubishi Electric Corporation | Hochleistungsverstärker |
| GB2418087B (en) | 2004-09-08 | 2008-03-19 | Filtronic Plc | A method and apparatus for pre-conditoning an electrical signal |
| CN101088214B (zh) | 2004-12-21 | 2010-05-05 | 艾利森电话股份有限公司 | 已调射频信号的生成 |
| CN101088218B (zh) | 2004-12-21 | 2012-04-25 | 艾利森电话股份有限公司 | 用于带宽约束信号调节的方法和装置 |
| WO2006091134A1 (en) | 2005-02-25 | 2006-08-31 | Telefonaktiebolaget Lm Ericsson (Publ) | Non-linear processing of signals |
| JP2007243491A (ja) * | 2006-03-07 | 2007-09-20 | R & K:Kk | 増幅回路 |
| EP2036286B1 (de) | 2006-07-03 | 2018-04-25 | Telefonaktiebolaget LM Ericsson (publ) | Vorrichtungen und verfahren zur verringerung der spitzenposition in telekommunikationssystemen |
| CN101675584B (zh) * | 2007-03-30 | 2012-10-03 | 北电网络有限公司 | 放大器预失真系统和方法 |
| US8848824B2 (en) * | 2008-03-07 | 2014-09-30 | Andrew M. Teetzel | High efficiency RF system linearizer using controlled complex nonlinear distortion generators |
-
2012
- 2012-04-10 IN IN3801CHN2014 patent/IN2014CN03801A/en unknown
- 2012-04-10 EP EP12714304.8A patent/EP2748924B1/de not_active Not-in-force
- 2012-04-10 US US13/505,777 patent/US8917141B2/en active Active
- 2012-04-10 WO PCT/EP2012/056429 patent/WO2013091905A1/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| US20140320213A1 (en) | 2014-10-30 |
| WO2013091905A1 (en) | 2013-06-27 |
| EP2748924A1 (de) | 2014-07-02 |
| EP2748924B1 (de) | 2015-09-09 |
| US8917141B2 (en) | 2014-12-23 |
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