AU9179691A - Apparatus and method for generating quadrature signals - Google Patents

Apparatus and method for generating quadrature signals

Info

Publication number
AU9179691A
AU9179691A AU91796/91A AU9179691A AU9179691A AU 9179691 A AU9179691 A AU 9179691A AU 91796/91 A AU91796/91 A AU 91796/91A AU 9179691 A AU9179691 A AU 9179691A AU 9179691 A AU9179691 A AU 9179691A
Authority
AU
Australia
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.)
Abandoned
Application number
AU91796/91A
Other languages
English (en)
Inventor
Steven F. Gillig
Joseph P Heck
Mark F Hilbert
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 AU9179691A publication Critical patent/AU9179691A/en
Abandoned 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
AU91796/91A 1990-12-21 1991-12-18 Apparatus and method for generating quadrature signals Abandoned AU9179691A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63370190A 1990-12-21 1990-12-21
US633701 1990-12-21

Publications (1)

Publication Number Publication Date
AU9179691A true AU9179691A (en) 1992-07-22

Family

ID=24540758

Family Applications (1)

Application Number Title Priority Date Filing Date
AU91796/91A Abandoned AU9179691A (en) 1990-12-21 1991-12-18 Apparatus and method for generating quadrature signals

Country Status (8)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69422010T2 (de) * 1993-12-22 2000-07-20 Koninklijke Philips Electronics N.V., Eindhoven Phasenschiebverstärker und seine Verwendung in einer Zusammenführungsschaltung
CN1146259A (zh) * 1994-12-30 1997-03-26 菲利浦电子有限公司 精确正交信号的发生电路和方法
DE69635626T2 (de) * 1995-05-26 2006-10-26 Rambus Inc., Los Altos Phasenschieber zur Verwendung in einem Quadratur-Taktgenerator
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 (fr) * 2000-05-19 2002-10-11 St Microelectronics Sa Procede et dispositif de controle du dephasage entre quatre signaux mutuellement en quadrature de phase
KR100351057B1 (ko) * 2000-09-26 2002-09-05 삼성전자 주식회사 주파수의 체배성능을 향상시키기 위한 검출제어부를구비하는 주파수 체배회로
US6891440B2 (en) * 2000-10-02 2005-05-10 A. Michael Straub Quadrature oscillator with phase error correction
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
US6674998B2 (en) * 2000-10-02 2004-01-06 Intersil Americas Inc. System and method for detecting and correcting phase error between differential signals
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 (de) * 1988-06-11 1989-12-21 Thomson Brandt Gmbh Schaltungsanordnung zur einstellung der phasenlage eines signals
DE3829164C1 (es) * 1988-08-27 1989-08-10 Ant Nachrichtentechnik Gmbh, 7150 Backnang, De
NL8802531A (nl) * 1988-10-14 1990-05-01 Philips Nv Fasedetector en frequentiedemodulator voorzien van zulk een fasedetector.
DE3927381A1 (de) * 1989-08-19 1991-02-21 Philips Patentverwaltung Phasenvergleichsschaltung

Also Published As

Publication number Publication date
MX174064B (es) 1994-04-18
FR2670975B1 (es) 1995-03-17
IT1250974B (it) 1995-04-24
BR9106406A (pt) 1993-05-04
FR2670975A1 (fr) 1992-06-26
CA2073347C (en) 1995-05-09
ITRM910965A1 (it) 1993-06-20
ITRM910965A0 (it) 1991-12-20
WO1992011704A1 (en) 1992-07-09
MX9102719A (es) 1992-06-01
JPH05505297A (ja) 1993-08-05

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