ATE378729T1 - Verfahren zur arbeitspunkteinstellung eines transistors in einem leistungsverstärker - Google Patents
Verfahren zur arbeitspunkteinstellung eines transistors in einem leistungsverstärkerInfo
- Publication number
- ATE378729T1 ATE378729T1 AT03290496T AT03290496T ATE378729T1 AT E378729 T1 ATE378729 T1 AT E378729T1 AT 03290496 T AT03290496 T AT 03290496T AT 03290496 T AT03290496 T AT 03290496T AT E378729 T1 ATE378729 T1 AT E378729T1
- Authority
- AT
- Austria
- Prior art keywords
- transistor
- tdm
- operating point
- power amplifier
- adjusting
- 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
- H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
- H03F1/303—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device
- H03F1/304—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters using a switching device and using digital means
-
- 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
- H03F1/0261—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 polarisation voltage or current, e.g. gliding Class A
- H03F1/0272—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 polarisation voltage or current, e.g. gliding Class A by using a signal derived from the output signal
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/321—Use of a microprocessor in an amplifier circuit or its control circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/447—Indexing scheme relating to amplifiers the amplifier being protected to temperature influence
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03290496A EP1455443B1 (de) | 2003-03-03 | 2003-03-03 | Verfahren zur Arbeitspunkteinstellung eines Transistors in einem Leistungsverstärker |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE378729T1 true ATE378729T1 (de) | 2007-11-15 |
Family
ID=32799084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03290496T ATE378729T1 (de) | 2003-03-03 | 2003-03-03 | Verfahren zur arbeitspunkteinstellung eines transistors in einem leistungsverstärker |
Country Status (5)
Country | Link |
---|---|
US (1) | US20040174836A1 (de) |
EP (1) | EP1455443B1 (de) |
CN (1) | CN100403649C (de) |
AT (1) | ATE378729T1 (de) |
DE (1) | DE60317459T2 (de) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5426641A (en) * | 1994-01-28 | 1995-06-20 | Bell Communications Research, Inc. | Adaptive class AB amplifier for TDMA wireless communications systems |
FI106411B (fi) * | 1999-02-03 | 2001-01-31 | Nokia Mobile Phones Ltd | Menetelmä ja järjestely ilmaisimen ja ohjaussignaalin lämpöryöminnän kompensoimiseksi jaksoittaisessa säädössä |
US6259752B1 (en) * | 2000-02-01 | 2001-07-10 | Conexant Systems, Inc. | System for cancelling internal interference in a receiver |
EP1134890A1 (de) * | 2000-03-09 | 2001-09-19 | ECI Telecom Ltd. | Gate-Vorspannungssteuerungseinrichtung von einem FET für Leistungsverstärker |
US6351189B1 (en) * | 2000-07-31 | 2002-02-26 | Nokia Networks Oy | System and method for auto-bias of an amplifier |
-
2003
- 2003-03-03 AT AT03290496T patent/ATE378729T1/de not_active IP Right Cessation
- 2003-03-03 EP EP03290496A patent/EP1455443B1/de not_active Expired - Lifetime
- 2003-03-03 DE DE60317459T patent/DE60317459T2/de not_active Expired - Lifetime
-
2004
- 2004-01-21 US US10/760,308 patent/US20040174836A1/en not_active Abandoned
- 2004-02-27 CN CNB2004100060850A patent/CN100403649C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1527477A (zh) | 2004-09-08 |
US20040174836A1 (en) | 2004-09-09 |
EP1455443B1 (de) | 2007-11-14 |
DE60317459D1 (de) | 2007-12-27 |
CN100403649C (zh) | 2008-07-16 |
EP1455443A1 (de) | 2004-09-08 |
DE60317459T2 (de) | 2008-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |