FI20010330A0 - Menetelmä lähettimen häiriöiden vähentämiseksi ja lähetin - Google Patents
Menetelmä lähettimen häiriöiden vähentämiseksi ja lähetinInfo
- Publication number
- FI20010330A0 FI20010330A0 FI20010330A FI20010330A FI20010330A0 FI 20010330 A0 FI20010330 A0 FI 20010330A0 FI 20010330 A FI20010330 A FI 20010330A FI 20010330 A FI20010330 A FI 20010330A FI 20010330 A0 FI20010330 A0 FI 20010330A0
- Authority
- FI
- Finland
- Prior art keywords
- transmitter
- reducing interference
- interference
- reducing
- 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
- H03F3/34—DC amplifiers in which all stages are DC-coupled
- H03F3/343—DC amplifiers in which all stages are DC-coupled with semiconductor devices only
-
- 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)
- Transmitters (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20010330A FI20010330A0 (fi) | 2001-02-21 | 2001-02-21 | Menetelmä lähettimen häiriöiden vähentämiseksi ja lähetin |
US10/073,698 US6970684B2 (en) | 2001-02-21 | 2002-02-11 | Method for reducing interference in transmitter and transmitter |
EP02396020A EP1235344B1 (en) | 2001-02-21 | 2002-02-19 | Method for reducing interference in a transmitter |
DE60234659T DE60234659D1 (de) | 2001-02-21 | 2002-02-19 | Verfahren zur Interferenzverminderung eines Senders |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20010330A FI20010330A0 (fi) | 2001-02-21 | 2001-02-21 | Menetelmä lähettimen häiriöiden vähentämiseksi ja lähetin |
Publications (1)
Publication Number | Publication Date |
---|---|
FI20010330A0 true FI20010330A0 (fi) | 2001-02-21 |
Family
ID=8560441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20010330A FI20010330A0 (fi) | 2001-02-21 | 2001-02-21 | Menetelmä lähettimen häiriöiden vähentämiseksi ja lähetin |
Country Status (4)
Country | Link |
---|---|
US (1) | US6970684B2 (fi) |
EP (1) | EP1235344B1 (fi) |
DE (1) | DE60234659D1 (fi) |
FI (1) | FI20010330A0 (fi) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2403086B (en) | 2003-06-17 | 2005-07-20 | Motorola Inc | Cartesian loop transmitter and method of adjusting an output level of such transmitter |
GB2403613B (en) * | 2003-07-04 | 2005-07-06 | Motorola Inc | Cartesian loop transmitter and method of adjusting an output level of such transmitter |
JP4336968B2 (ja) * | 2004-02-20 | 2009-09-30 | 日本電気株式会社 | 移動体通信機器および送信電力制御方法 |
US20070161356A1 (en) * | 2006-01-12 | 2007-07-12 | Hoon Bryan A | Method and apparatus for improved carrier feed thru rejection for a linear amplifier |
US20080290939A1 (en) * | 2007-05-25 | 2008-11-27 | Sige Semiconductor Inc. | Method and apparatus for distortion correction of RF amplifiers |
US7702301B2 (en) * | 2007-05-30 | 2010-04-20 | Sige Semiconductor Inc. | Method and apparatus for distortion correction of RF amplifiers |
US11688272B2 (en) * | 2020-07-27 | 2023-06-27 | Sensormatic Electronics, LLC | Systems and methods of alternating transmitter for metal foil detection near moving doors |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4331928A (en) * | 1980-06-02 | 1982-05-25 | Rockwell International Corporation | Referenced phase RF feedback linear amplifier |
US4453188A (en) | 1981-04-10 | 1984-06-05 | Amlyn Corporation | Disk drive |
US4870374A (en) * | 1988-04-13 | 1989-09-26 | E-Systems, Inc. | Modulator producing phase modulation by combining amplitude modulated signals |
EP0665996A1 (en) | 1993-08-20 | 1995-08-09 | Motorola, Inc. | Radio transmitter with power amplifier linearizer |
GB9320078D0 (en) * | 1993-09-29 | 1993-11-17 | Linear Modulation Tech | Cartesian amplifier power control and related applications |
US5535225A (en) | 1993-10-12 | 1996-07-09 | Hughes Aircraft Company | Time domain algebraic encoder/decoder |
US5613226A (en) * | 1993-11-30 | 1997-03-18 | Nec Corporation | Linear transmitter for use in combination with radio communication systems |
JPH0832462A (ja) * | 1994-07-15 | 1996-02-02 | Uniden Corp | カーテジアンループのdcオフセット回路 |
JPH0832464A (ja) * | 1994-07-15 | 1996-02-02 | Uniden Corp | 送信機におけるキャリアリーク補正方法 |
GB2293935B (en) * | 1994-10-03 | 1999-07-14 | Linear Modulation Tech | Automatic calibration of carrier suppression and loop phase in a cartesian amplifier |
GB2301247A (en) * | 1995-05-22 | 1996-11-27 | Univ Bristol | A cartesian loop transmitter amplifier |
GB9521769D0 (en) * | 1995-10-24 | 1996-01-03 | Philips Electronics Nv | Transmitter |
DE69726833T2 (de) * | 1996-06-28 | 2004-10-07 | Philips Intellectual Property | Schaltungsanordnung mit einer leistungsverstärkerstufe |
WO1998000910A1 (en) | 1996-06-28 | 1998-01-08 | Philips Electronics N.V. | Circuit arrangement comprising a feedback loop |
GB9906417D0 (en) | 1999-03-19 | 1999-05-12 | Simoco Int Ltd | Radio transmitters |
US6266517B1 (en) * | 1999-12-30 | 2001-07-24 | Motorola, Inc. | Method and apparatus for correcting distortion in a transmitter |
GB2380874B (en) * | 2001-10-10 | 2004-02-04 | Zarlink Semiconductor Ltd | A polar loop transmitter |
-
2001
- 2001-02-21 FI FI20010330A patent/FI20010330A0/fi not_active IP Right Cessation
-
2002
- 2002-02-11 US US10/073,698 patent/US6970684B2/en not_active Expired - Lifetime
- 2002-02-19 EP EP02396020A patent/EP1235344B1/en not_active Expired - Lifetime
- 2002-02-19 DE DE60234659T patent/DE60234659D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1235344A2 (en) | 2002-08-28 |
EP1235344A3 (en) | 2004-09-08 |
US6970684B2 (en) | 2005-11-29 |
DE60234659D1 (de) | 2010-01-21 |
EP1235344B1 (en) | 2009-12-09 |
US20020115417A1 (en) | 2002-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |