DE60002275D1 - System zur Erzeugen von Quadratursignalen - Google Patents

System zur Erzeugen von Quadratursignalen

Info

Publication number
DE60002275D1
DE60002275D1 DE60002275T DE60002275T DE60002275D1 DE 60002275 D1 DE60002275 D1 DE 60002275D1 DE 60002275 T DE60002275 T DE 60002275T DE 60002275 T DE60002275 T DE 60002275T DE 60002275 D1 DE60002275 D1 DE 60002275D1
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
Application number
DE60002275T
Other languages
English (en)
Other versions
DE60002275T2 (de
Inventor
Tsuneo Tsukahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Publication of DE60002275D1 publication Critical patent/DE60002275D1/de
Application granted granted Critical
Publication of DE60002275T2 publication Critical patent/DE60002275T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
DE60002275T 1999-07-27 2000-07-25 System zur Erzeugen von Quadratursignalen Expired - Lifetime DE60002275T2 (de)

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 true DE60002275D1 (de) 2003-05-28
DE60002275T2 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)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
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
DE10351699B3 (de) * 2003-11-05 2005-09-15 Siemens Ag Vorrichtung zum Generieren von Lokaloszillator-Signalen
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP1091483B1 (de) 2003-04-23
US6369633B1 (en) 2002-04-09
JP2001045085A (ja) 2001-02-16
EP1091483A3 (de) 2001-10-04
DE60002275T2 (de) 2003-12-18
EP1091483A2 (de) 2001-04-11

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Legal Events

Date Code Title Description
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