DE60002275T2 - System zur Erzeugen von Quadratursignalen - Google Patents
System zur Erzeugen von QuadratursignalenInfo
- Publication number
- DE60002275T2 DE60002275T2 DE60002275T DE60002275T DE60002275T2 DE 60002275 T2 DE60002275 T2 DE 60002275T2 DE 60002275 T DE60002275 T DE 60002275T DE 60002275 T DE60002275 T DE 60002275T DE 60002275 T2 DE60002275 T2 DE 60002275T2
- Authority
- DE
- Germany
- Prior art keywords
- quadrature signals
- generating quadrature
- generating
- signals
- quadrature
- 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
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B27/00—Generation of oscillations providing a plurality of outputs of the same frequency but differing in phase, other than merely two anti-phase outputs
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
- H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11211875A JP2001045085A (ja) | 1999-07-27 | 1999-07-27 | 直交信号発生回路および直交信号発生方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60002275D1 DE60002275D1 (de) | 2003-05-28 |
DE60002275T2 true DE60002275T2 (de) | 2003-12-18 |
Family
ID=16613075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60002275T Expired - Lifetime DE60002275T2 (de) | 1999-07-27 | 2000-07-25 | System zur Erzeugen von Quadratursignalen |
Country Status (4)
Country | Link |
---|---|
US (1) | US6369633B1 (de) |
EP (1) | EP1091483B1 (de) |
JP (1) | JP2001045085A (de) |
DE (1) | DE60002275T2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10351699B3 (de) * | 2003-11-05 | 2005-09-15 | Siemens Ag | Vorrichtung zum Generieren von Lokaloszillator-Signalen |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1362421A1 (de) * | 2001-02-12 | 2003-11-19 | Koninklijke Philips Electronics N.V. | Abstimmbarer quadratur-phasenverschieber |
JP2005500780A (ja) * | 2001-08-16 | 2005-01-06 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 同調可能な直交位相シフタ |
DE10142249A1 (de) * | 2001-08-29 | 2003-04-03 | Infineon Technologies Ag | Schaltungsanordnung zum Bereitstellen eines komplexwertigen Lokalozillator-Signals und Empfänger |
JP2003152512A (ja) * | 2001-11-08 | 2003-05-23 | Mitsubishi Electric Corp | 多相信号発生器 |
EP1313209A1 (de) * | 2001-11-14 | 2003-05-21 | Semiconductor Ideas to The Market (ItoM) BV | Quadraturfrequenzmultiplizierer |
EP1313210A1 (de) * | 2001-11-14 | 2003-05-21 | Semiconductor Ideas to The Market BV | Quadraturfrequenzmultiplizierer |
JP2003178798A (ja) * | 2001-12-10 | 2003-06-27 | Hitachi Ltd | ナトリウム硫黄電池 |
KR100441463B1 (ko) * | 2001-12-26 | 2004-07-23 | 한국전자통신연구원 | 저역통과필터 및 고역통과필터 특성의 로드를 이용한 능동직교위상신호 발생기 |
DE60220986T2 (de) * | 2002-04-04 | 2008-03-13 | Texas Instruments Inc., Dallas | Quadraturteiler |
AU2003250755A1 (en) * | 2002-06-18 | 2003-12-31 | Automotive Distance Control Systems Gmbh | Circuit arrangement for generating an iq signal |
US7444365B2 (en) * | 2002-06-18 | 2008-10-28 | A.D.C. Automotive Distance Control Systems Gmbh | Non-linear digital rank filtering of input signal values |
US7274922B2 (en) * | 2002-06-18 | 2007-09-25 | A.D.C. Automotive Distance Control Systems Gmbh | Circuit arrangement for generating an IQ-signal |
EP1441437B1 (de) * | 2003-01-21 | 2006-08-09 | CSEM Centre Suisse d'Electronique et de Microtechnique S.A. - Recherche et Développement | Betriebsfrequenzgesteuerte Quadratursignalgenerator |
US6812763B1 (en) * | 2003-06-30 | 2004-11-02 | Marylabd Semiconductor, Inc. | Automatic wideband quadrature frequency generator |
US10951202B2 (en) * | 2018-07-20 | 2021-03-16 | Futurewei Technologies, Inc. | Method and apparatus for RC/CR phase error calibration of measurement receiver |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4379266A (en) * | 1980-04-03 | 1983-04-05 | Ford Aerospace & Communications Corporation | PSK Demodulator with automatic compensation of delay induced phase shifts |
GB2089609A (en) * | 1980-12-12 | 1982-06-23 | Philips Electronic Associated | Clock pulse phase shifter |
US5063446A (en) * | 1989-08-11 | 1991-11-05 | General Electric Company | Apparatus for transmitting auxiliary signal in a TV channel |
US5121057A (en) * | 1990-12-21 | 1992-06-09 | Maxtor Corporation | Media flaw detection apparatus for a magnetic disk drive with squaring and summing of in-phase and quadrature-phase detected signals |
US5412351A (en) | 1993-10-07 | 1995-05-02 | Nystrom; Christian | Quadrature local oscillator network |
US6151313A (en) * | 1997-06-06 | 2000-11-21 | Aloha Networks, Inc. | Baseband phase estimation technique for demodulation of overlapping packets |
US6031865A (en) * | 1997-08-04 | 2000-02-29 | Motorola, Inc. | Rapidly decorrelating spreading sequences for DS-CDMA transceivers |
US6181181B1 (en) * | 1998-06-26 | 2001-01-30 | Fujitsu Limited | Phase shifter for a quadrature modulator and an image suppression mixer |
-
1999
- 1999-07-27 JP JP11211875A patent/JP2001045085A/ja active Pending
-
2000
- 2000-07-19 US US09/619,637 patent/US6369633B1/en not_active Expired - Fee Related
- 2000-07-25 DE DE60002275T patent/DE60002275T2/de not_active Expired - Lifetime
- 2000-07-25 EP EP00410081A patent/EP1091483B1/de not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10351699B3 (de) * | 2003-11-05 | 2005-09-15 | Siemens Ag | Vorrichtung zum Generieren von Lokaloszillator-Signalen |
Also Published As
Publication number | Publication date |
---|---|
DE60002275D1 (de) | 2003-05-28 |
EP1091483B1 (de) | 2003-04-23 |
US6369633B1 (en) | 2002-04-09 |
JP2001045085A (ja) | 2001-02-16 |
EP1091483A3 (de) | 2001-10-04 |
EP1091483A2 (de) | 2001-04-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |