DE69928654D1 - Empfänger mit Intermodulationsverzerrungsdetektor - Google Patents
Empfänger mit IntermodulationsverzerrungsdetektorInfo
- Publication number
- DE69928654D1 DE69928654D1 DE69928654T DE69928654T DE69928654D1 DE 69928654 D1 DE69928654 D1 DE 69928654D1 DE 69928654 T DE69928654 T DE 69928654T DE 69928654 T DE69928654 T DE 69928654T DE 69928654 D1 DE69928654 D1 DE 69928654D1
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- intermodulation distortion
- distortion detector
- detector
- intermodulation
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/109—Means associated with receiver for limiting or suppressing noise or interference by improving strong signal performance of the receiver when strong unwanted signals are present at the receiver input
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Noise Elimination (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19990202132 EP1067698B1 (de) | 1999-06-30 | 1999-06-30 | Empfänger mit Intermodulationsverzerrungsdetektor |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69928654D1 true DE69928654D1 (de) | 2006-01-05 |
DE69928654T2 DE69928654T2 (de) | 2006-06-14 |
Family
ID=8240394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1999628654 Expired - Fee Related DE69928654T2 (de) | 1999-06-30 | 1999-06-30 | Empfänger mit Intermodulationsverzerrungsdetektor |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1067698B1 (de) |
JP (1) | JP2001044862A (de) |
DE (1) | DE69928654T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2353365A (en) * | 1999-06-24 | 2001-02-21 | Mitel Semiconductor Ltd | Cross-channel interference |
EP1634443A2 (de) * | 2003-06-16 | 2006-03-15 | Matsushita Electric Industrial Co., Ltd. | Digitaler fernsehempfänger |
US8032102B2 (en) * | 2008-01-15 | 2011-10-04 | Axiom Microdevices, Inc. | Receiver second order intermodulation correction system and method |
US8369812B2 (en) | 2008-03-20 | 2013-02-05 | Honeywell International Inc. | Method and system for detection of passive intermodulation interference emissions |
MX352915B (es) | 2014-05-01 | 2017-12-14 | Ericsson Telefon Ab L M | Detección de intermodulación pasiva. |
EP3320621B1 (de) | 2015-07-08 | 2019-05-29 | Telefonaktiebolaget LM Ericsson (publ) | Uplink-spektralanalyseverfahren zur erkennung von passiver intermodulation (pim) |
US11742889B2 (en) | 2019-04-09 | 2023-08-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Eigenvalue-based passive intermodulation detection |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2546347B2 (ja) * | 1988-08-15 | 1996-10-23 | 日本電気株式会社 | 無線送受信装置 |
WO1994006213A1 (en) * | 1992-09-02 | 1994-03-17 | Motorola, Inc. | Radio receiver |
DE4241362C2 (de) * | 1992-12-09 | 1997-06-05 | Blaupunkt Werke Gmbh | Rundfunkempfänger |
JPH07143025A (ja) * | 1993-11-12 | 1995-06-02 | Clarion Co Ltd | スペクトラム拡散通信装置 |
US5907798A (en) * | 1996-06-21 | 1999-05-25 | Lucent Technologies Inc. | Wireless telephone intermodulation performance enhancement techniques |
-
1999
- 1999-06-30 DE DE1999628654 patent/DE69928654T2/de not_active Expired - Fee Related
- 1999-06-30 EP EP19990202132 patent/EP1067698B1/de not_active Expired - Lifetime
-
2000
- 2000-06-30 JP JP2000199487A patent/JP2001044862A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2001044862A (ja) | 2001-02-16 |
DE69928654T2 (de) | 2006-06-14 |
EP1067698A1 (de) | 2001-01-10 |
EP1067698B1 (de) | 2005-11-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: CONTINENTAL AUTOMOTIVE GMBH, 30165 HANNOVER, DE |
|
8339 | Ceased/non-payment of the annual fee |