DE60022247D1 - Hochintegrierter Hochfrequenzsender mit Beseitigung der Spiegelfrequenz, gegebenenfalls autokalibriert - Google Patents

Hochintegrierter Hochfrequenzsender mit Beseitigung der Spiegelfrequenz, gegebenenfalls autokalibriert

Info

Publication number
DE60022247D1
DE60022247D1 DE60022247T DE60022247T DE60022247D1 DE 60022247 D1 DE60022247 D1 DE 60022247D1 DE 60022247 T DE60022247 T DE 60022247T DE 60022247 T DE60022247 T DE 60022247T DE 60022247 D1 DE60022247 D1 DE 60022247D1
Authority
DE
Germany
Prior art keywords
frequency
autocalibrated
elimination
optionally
highly integrated
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
DE60022247T
Other languages
English (en)
Other versions
DE60022247T2 (de
Inventor
M Eric Andre
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.)
Zarbana Digital Fund LLC
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Application granted granted Critical
Publication of DE60022247D1 publication Critical patent/DE60022247D1/de
Publication of DE60022247T2 publication Critical patent/DE60022247T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2053—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases
    • H04L27/206—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using more than one carrier, e.g. carriers with different phases using a pair of orthogonal carriers, e.g. quadrature carriers
    • 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
    • H03C3/403—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 using two quadrature frequency conversion stages in cascade
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
DE60022247T 1999-03-23 2000-03-02 Hochintegrierter Hochfrequenzsender mit Beseitigung der Spiegelfrequenz, gegebenenfalls autokalibriert Expired - Lifetime DE60022247T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9903768A FR2791506B1 (fr) 1999-03-23 1999-03-23 Emetteur radiofrequence a fort degre d'integration et avec annulation d'image, eventuellement auto-calibree
FR9903768 1999-03-23

Publications (2)

Publication Number Publication Date
DE60022247D1 true DE60022247D1 (de) 2005-10-06
DE60022247T2 DE60022247T2 (de) 2006-07-20

Family

ID=9543657

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60022247T Expired - Lifetime DE60022247T2 (de) 1999-03-23 2000-03-02 Hochintegrierter Hochfrequenzsender mit Beseitigung der Spiegelfrequenz, gegebenenfalls autokalibriert

Country Status (4)

Country Link
US (2) US6668024B1 (de)
EP (1) EP1039628B1 (de)
DE (1) DE60022247T2 (de)
FR (1) FR2791506B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002051003A2 (en) * 2000-12-18 2002-06-27 Koninklijke Philips Electronics N.V. Generating two signals having a mutual phase difference of 90°
US7177372B2 (en) * 2000-12-21 2007-02-13 Jian Gu Method and apparatus to remove effects of I-Q imbalances of quadrature modulators and demodulators in a multi-carrier system
US20030003891A1 (en) * 2001-07-02 2003-01-02 Nokia Corporation Method to improve I/Q-amplitude balance and receiver quadrature channel performance
DE10144907A1 (de) * 2001-09-12 2003-04-03 Infineon Technologies Ag Sendeanordnung, insbesondere für den Mobilfunk
KR100457175B1 (ko) * 2002-12-14 2004-11-16 한국전자통신연구원 직교 변조 송신기
US7515647B2 (en) 2003-11-28 2009-04-07 Samsung Electronics Co., Ltd Digital frequency converter
US7647028B2 (en) * 2005-04-06 2010-01-12 Skyworks Solutions, Inc. Internal calibration system for a radio frequency (RF) transmitter
FR2914515B1 (fr) 2007-04-02 2009-07-03 St Microelectronics Sa Calibration dans un module d'emission radio frequence
CN102460978B (zh) * 2009-06-23 2015-08-12 诺基亚公司 用于双信道传输的方法、装置和无线电通信设备
DE102010027566A1 (de) * 2010-05-18 2011-11-24 Rohde & Schwarz Gmbh & Co. Kg Signalgenerator mit digitaler Zwischenfrequenz und digitaler Frequenzfeineinstellung
WO2018024333A1 (en) * 2016-08-04 2018-02-08 Telefonaktiebolaget Lm Ericsson (Publ) Method and transmitter for transmit beamforming in a wireless communication system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351016A (en) * 1993-05-28 1994-09-27 Ericsson Ge Mobile Communications Inc. Adaptively self-correcting modulation system and method
US5748623A (en) * 1993-09-03 1998-05-05 Ntt Mobile Communications Network, Inc. Code division multiple access transmitter and receiver
JP2728114B2 (ja) * 1994-07-11 1998-03-18 日本電気株式会社 Ｆｍ変調回路
US5894496A (en) * 1996-09-16 1999-04-13 Ericsson Inc. Method and apparatus for detecting and compensating for undesired phase shift in a radio transceiver
US6298096B1 (en) * 1998-11-19 2001-10-02 Titan Corporation Method and apparatus for determination of predistortion parameters for a quadrature modulator

Also Published As

Publication number Publication date
DE60022247T2 (de) 2006-07-20
EP1039628B1 (de) 2005-08-31
FR2791506A1 (fr) 2000-09-29
EP1039628A1 (de) 2000-09-27
US6668024B1 (en) 2003-12-23
USRE42043E1 (en) 2011-01-18
FR2791506B1 (fr) 2001-06-22

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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: FAHRENHEIT THERMOSCOPE LLC (N. D. GES. D. STAATES