DE69931699D1 - 90 Grad Pasenschieber und Mischer mit Beseitigung der Spiegelfrequenz - Google Patents
90 Grad Pasenschieber und Mischer mit Beseitigung der SpiegelfrequenzInfo
- Publication number
- DE69931699D1 DE69931699D1 DE69931699T DE69931699T DE69931699D1 DE 69931699 D1 DE69931699 D1 DE 69931699D1 DE 69931699 T DE69931699 T DE 69931699T DE 69931699 T DE69931699 T DE 69931699T DE 69931699 D1 DE69931699 D1 DE 69931699D1
- Authority
- DE
- Germany
- Prior art keywords
- pasenschieber
- elimination
- mixer
- degree
- image frequency
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
- H03H7/19—Two-port phase shifters providing a predetermined phase shift, e.g. "all-pass" filters
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20348698A JP3314726B2 (ja) | 1998-07-17 | 1998-07-17 | 位相シフト回路、それを用いた移相回路、発振回路、及びイメージリジェクションミキサ |
JP20348698 | 1998-07-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69931699D1 true DE69931699D1 (de) | 2006-07-20 |
DE69931699T2 DE69931699T2 (de) | 2007-05-10 |
Family
ID=16474962
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69931699T Expired - Lifetime DE69931699T2 (de) | 1998-07-17 | 1999-07-16 | 90 Grad Pasenschieber und Mischer mit Beseitigung der Spiegelfrequenz |
Country Status (4)
Country | Link |
---|---|
US (1) | US6321076B1 (de) |
EP (1) | EP0973255B1 (de) |
JP (1) | JP3314726B2 (de) |
DE (1) | DE69931699T2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6653577B2 (en) * | 1995-06-07 | 2003-11-25 | Automotive Technologies | Apparatus and method for measuring weight of an occupying item of a seat |
US20070135982A1 (en) | 1995-06-07 | 2007-06-14 | Automotive Technologies International, Inc. | Methods for Sensing Weight of an Occupying Item in a Vehicular Seat |
US6388543B1 (en) * | 2000-09-18 | 2002-05-14 | Conexant Systems, Inc. | System for eight-phase 45° polyphase filter with amplitude matching |
US7039382B2 (en) * | 2001-05-15 | 2006-05-02 | Broadcom Corporation | DC offset calibration for a radio transceiver mixer |
DE10213423A1 (de) * | 2002-03-26 | 2003-10-09 | Philips Intellectual Property | Schaltungsanordnung zum Schieben der Phase eines Eingangssignals und Schaltungsanordnung zur Spiegelfrequenzunterdrückung |
US7433439B1 (en) * | 2002-12-20 | 2008-10-07 | Cypress Semiconductor Corp. | Apparatus, system, and method for synchronizing signals received by one or more system components |
KR100541076B1 (ko) * | 2003-01-03 | 2006-01-11 | 삼성전기주식회사 | 위상 미스매칭을 개선한 믹서 및 주파수 변환장치 |
JP4864758B2 (ja) * | 2006-06-14 | 2012-02-01 | 三菱電機株式会社 | 直交ミクサおよびイメージリジェクションミクサ |
US7352325B1 (en) | 2007-01-02 | 2008-04-01 | International Business Machines Corporation | Phase shifting and combining architecture for phased arrays |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2647984B1 (fr) * | 1989-06-06 | 1991-09-13 | Labo Electronique Physique | Circuit dephaseur ameliore |
JPH0360206A (ja) | 1989-07-28 | 1991-03-15 | Hitachi Ltd | 周波数変換回路 |
US5019793A (en) * | 1990-05-21 | 1991-05-28 | Hughes Aircraft Company | Digitally implemented variable phase shifter and amplitude weighting device |
JP3042184B2 (ja) * | 1991-08-29 | 2000-05-15 | 松下電器産業株式会社 | イメージリジェクションミキサ |
JPH0568065A (ja) | 1991-09-05 | 1993-03-19 | Japan Radio Co Ltd | 直交変調器 |
JP3330171B2 (ja) | 1993-02-03 | 2002-09-30 | 三菱電機株式会社 | 直交変調器 |
GB2292031B (en) * | 1993-09-22 | 1998-03-18 | Hewlett Packard Co | A quadrature network |
DE4420376C2 (de) | 1993-09-22 | 1998-09-17 | Hewlett Packard Co | Quadraturmodulator |
JP3346915B2 (ja) | 1994-10-31 | 2002-11-18 | 株式会社東芝 | ミキサー回路 |
US5912975A (en) * | 1995-06-30 | 1999-06-15 | Philips Electronics North America Corp | Method and circuit for creating phantom sources using phase shifting circuitry |
JP3496363B2 (ja) | 1995-09-28 | 2004-02-09 | 富士通株式会社 | 90度位相シフタ |
JP2874610B2 (ja) | 1995-09-29 | 1999-03-24 | 日本電気株式会社 | 90度移相器 |
FR2742620B1 (fr) * | 1995-12-15 | 1998-02-20 | Matra Communication | Dispositif melangeur a rejection de frequence image |
US6081697A (en) * | 1997-03-21 | 2000-06-27 | Telefonaktiebolaget Lm Ericsson | Multi-carrier radio system and radio transceiver implementation |
US6151313A (en) * | 1997-06-06 | 2000-11-21 | Aloha Networks, Inc. | Baseband phase estimation technique for demodulation of overlapping packets |
US6029059A (en) * | 1997-06-30 | 2000-02-22 | Lucent Technologies, Inc. | Quadrature mixer method and apparatus |
-
1998
- 1998-07-17 JP JP20348698A patent/JP3314726B2/ja not_active Expired - Fee Related
-
1999
- 1999-07-15 US US09/353,357 patent/US6321076B1/en not_active Expired - Lifetime
- 1999-07-16 EP EP99113941A patent/EP0973255B1/de not_active Expired - Lifetime
- 1999-07-16 DE DE69931699T patent/DE69931699T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0973255A1 (de) | 2000-01-19 |
EP0973255B1 (de) | 2006-06-07 |
JP3314726B2 (ja) | 2002-08-12 |
JP2000036720A (ja) | 2000-02-02 |
DE69931699T2 (de) | 2007-05-10 |
US6321076B1 (en) | 2001-11-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Ref document number: 973255 Country of ref document: EP Representative=s name: GLAWE DELFS MOLL - PARTNERSCHAFT VON PATENT- U, DE |
|
R081 | Change of applicant/patentee |
Ref document number: 973255 Country of ref document: EP Owner name: RENESAS ELECTRONICS CORPORATION, JP Free format text: FORMER OWNER: NEC ELECTRONICS CORP., KAWASAKI, JP Effective date: 20120828 |
|
R082 | Change of representative |
Ref document number: 973255 Country of ref document: EP Representative=s name: GLAWE DELFS MOLL - PARTNERSCHAFT VON PATENT- U, DE Effective date: 20120828 |