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FR2670975B1 - - Google Patents

Info

Publication number
FR2670975B1
FR2670975B1 FR9115947A FR9115947A FR2670975B1 FR 2670975 B1 FR2670975 B1 FR 2670975B1 FR 9115947 A FR9115947 A FR 9115947A FR 9115947 A FR9115947 A FR 9115947A FR 2670975 B1 FR2670975 B1 FR 2670975B1
Authority
FR
France
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
Application number
FR9115947A
Other languages
French (fr)
Other versions
FR2670975A1 (en
Inventor
Mark F Hilbert
Steven F Gillig
Joseph P Heck
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2670975A1 publication Critical patent/FR2670975A1/en
Application granted granted Critical
Publication of FR2670975B1 publication Critical patent/FR2670975B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
    • H03L7/00—Automatic control of frequency or phase; Synchronisation
    • H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
    • H03L7/08—Details of the phase-locked loop
    • H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
    • H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
    • 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
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/16—Networks for phase shifting
    • H03H11/22—Networks for phase shifting providing two or more phase shifted output signals, e.g. n-phase output
FR9115947A 1990-12-21 1991-12-20 APPARATUS AND METHOD FOR PRODUCING PHASE QUADRATURE SIGNALS. Granted FR2670975A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US63370190A 1990-12-21 1990-12-21

Publications (2)

Publication Number Publication Date
FR2670975A1 FR2670975A1 (en) 1992-06-26
FR2670975B1 true FR2670975B1 (en) 1995-03-17

Family

ID=24540758

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9115947A Granted FR2670975A1 (en) 1990-12-21 1991-12-20 APPARATUS AND METHOD FOR PRODUCING PHASE QUADRATURE SIGNALS.

Country Status (8)

Country Link
JP (1) JPH05505297A (en)
AU (1) AU9179691A (en)
BR (1) BR9106406A (en)
CA (1) CA2073347C (en)
FR (1) FR2670975A1 (en)
IT (1) IT1250974B (en)
MX (1) MX174064B (en)
WO (1) WO1992011704A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69422010T2 (en) * 1993-12-22 2000-07-20 Koninklijke Philips Electronics N.V., Eindhoven Phase shift amplifier and its use in a merge circuit
KR970701952A (en) * 1994-12-30 1997-04-12 요트.게.아. 롤페즈 Circuit and method for generating accurate guadrature signals
JPH11505987A (en) 1995-05-26 1999-05-25 ランバス・インコーポレーテッド Phase shifter used in quadrature clock generator
GB9918317D0 (en) * 1999-08-03 1999-10-06 Cambridge Silicon Radio Ltd Phase shifting
GB2361123A (en) 2000-04-04 2001-10-10 Nokia Mobile Phones Ltd Polyphase filters in silicon integrated circuit technology
FR2809266B1 (en) * 2000-05-19 2002-10-11 St Microelectronics Sa METHOD AND DEVICE FOR CONTROLLING THE PHASE BETWEEN FOUR MUTUALLY PHASE QUADRATURE SIGNALS
KR100351057B1 (en) * 2000-09-26 2002-09-05 삼성전자 주식회사 Frequency doubler circuit comprising detect-control unit for improving frequency doubling
US6891440B2 (en) 2000-10-02 2005-05-10 A. Michael Straub Quadrature oscillator with phase error correction
US6674998B2 (en) 2000-10-02 2004-01-06 Intersil Americas Inc. System and method for detecting and correcting phase error between differential signals
US7068987B2 (en) 2000-10-02 2006-06-27 Conexant, Inc. Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture
US7075377B2 (en) * 2004-06-10 2006-07-11 Theta Microeletronics, Inc. Quadrature voltage controlled oscillators with phase shift detector
US7869769B2 (en) * 2007-11-28 2011-01-11 Motorola, Inc. Method and apparatus for reconfigurable frequency generation
US8615205B2 (en) 2007-12-18 2013-12-24 Qualcomm Incorporated I-Q mismatch calibration and method
US8970272B2 (en) 2008-05-15 2015-03-03 Qualcomm Incorporated High-speed low-power latches
US8712357B2 (en) 2008-11-13 2014-04-29 Qualcomm Incorporated LO generation with deskewed input oscillator signal
US8718574B2 (en) 2008-11-25 2014-05-06 Qualcomm Incorporated Duty cycle adjustment for a local oscillator signal
US8847638B2 (en) 2009-07-02 2014-09-30 Qualcomm Incorporated High speed divide-by-two circuit
US8791740B2 (en) 2009-07-16 2014-07-29 Qualcomm Incorporated Systems and methods for reducing average current consumption in a local oscillator path
US8854098B2 (en) 2011-01-21 2014-10-07 Qualcomm Incorporated System for I-Q phase mismatch detection and correction
US9154077B2 (en) 2012-04-12 2015-10-06 Qualcomm Incorporated Compact high frequency divider
US11811413B2 (en) * 2021-10-13 2023-11-07 Mediatek Inc. Poly phase filter with phase error enhance technique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4313089A (en) * 1980-03-31 1982-01-26 Motorola, Inc. Precision quadrature analog phase detector
GB2174576B (en) * 1985-04-29 1989-06-28 Plessey Co Plc Improvements in or relating to receivers
GB2196195B (en) * 1986-09-16 1990-12-19 Plessey Co Plc Quadrature signal generator
DE3819930A1 (en) * 1988-06-11 1989-12-21 Thomson Brandt Gmbh CIRCUIT ARRANGEMENT FOR ADJUSTING THE PHASE POSITION OF A SIGNAL
DE3829164C1 (en) * 1988-08-27 1989-08-10 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
NL8802531A (en) * 1988-10-14 1990-05-01 Philips Nv PHASE DETECTOR AND FREQUENCY DEMODULATOR WITH SUCH A PHASE DETECTOR.
DE3927381A1 (en) * 1989-08-19 1991-02-21 Philips Patentverwaltung PHASE COMPARISON

Also Published As

Publication number Publication date
MX9102719A (en) 1992-06-01
BR9106406A (en) 1993-05-04
JPH05505297A (en) 1993-08-05
WO1992011704A1 (en) 1992-07-09
ITRM910965A0 (en) 1991-12-20
FR2670975A1 (en) 1992-06-26
AU9179691A (en) 1992-07-22
CA2073347C (en) 1995-05-09
ITRM910965A1 (en) 1993-06-20
MX174064B (en) 1994-04-18
IT1250974B (en) 1995-04-24

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Legal Events

Date Code Title Description
ST Notification of lapse