[go: up one dir, main page]

BR9106406A - APPARATUS AND PROCESS TO PRODUCE SIGNS OF QUADRATURE PHASE, AND APPARATUS AND PROCESS TO DETECT VARIATION OF 90 0 PHASE BETWEEN SIGNS AND QUADRATURE - Google Patents

APPARATUS AND PROCESS TO PRODUCE SIGNS OF QUADRATURE PHASE, AND APPARATUS AND PROCESS TO DETECT VARIATION OF 90 0 PHASE BETWEEN SIGNS AND QUADRATURE

Info

Publication number
BR9106406A
BR9106406A BR919106406A BR9106406A BR9106406A BR 9106406 A BR9106406 A BR 9106406A BR 919106406 A BR919106406 A BR 919106406A BR 9106406 A BR9106406 A BR 9106406A BR 9106406 A BR9106406 A BR 9106406A
Authority
BR
Brazil
Prior art keywords
quadrature
signs
phase
produce
detect variation
Prior art date
Application number
BR919106406A
Other languages
Portuguese (pt)
Inventor
Mark F Hilbert
Steven P Gillig
Joseph P Heck
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 BR9106406A publication Critical patent/BR9106406A/en

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
BR919106406A 1990-12-21 1991-12-18 APPARATUS AND PROCESS TO PRODUCE SIGNS OF QUADRATURE PHASE, AND APPARATUS AND PROCESS TO DETECT VARIATION OF 90 0 PHASE BETWEEN SIGNS AND QUADRATURE BR9106406A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63370190A 1990-12-21 1990-12-21
PCT/US1991/009587 WO1992011704A1 (en) 1990-12-21 1991-12-18 Apparatus and method for generating quadrature signals

Publications (1)

Publication Number Publication Date
BR9106406A true BR9106406A (en) 1993-05-04

Family

ID=24540758

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919106406A BR9106406A (en) 1990-12-21 1991-12-18 APPARATUS AND PROCESS TO PRODUCE SIGNS OF QUADRATURE PHASE, AND APPARATUS AND PROCESS TO DETECT VARIATION OF 90 0 PHASE BETWEEN SIGNS AND QUADRATURE

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
CN1146259A (en) * 1994-12-30 1997-03-26 菲利浦电子有限公司 Circuit and method for generating accurate quadrature signals
DE69636797D1 (en) 1995-05-26 2007-02-08 Rambus Inc Phase shifter for use in a 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
MX174064B (en) 1994-04-18
FR2670975A1 (en) 1992-06-26
ITRM910965A0 (en) 1991-12-20
WO1992011704A1 (en) 1992-07-09
FR2670975B1 (en) 1995-03-17
ITRM910965A1 (en) 1993-06-20
JPH05505297A (en) 1993-08-05
AU9179691A (en) 1992-07-22
CA2073347C (en) 1995-05-09
IT1250974B (en) 1995-04-24

Similar Documents

Publication Publication Date Title
BR9106406A (en) APPARATUS AND PROCESS TO PRODUCE SIGNS OF QUADRATURE PHASE, AND APPARATUS AND PROCESS TO DETECT VARIATION OF 90 0 PHASE BETWEEN SIGNS AND QUADRATURE
BR8907293A (en) PROCESS AND APPARATUS TO PRODUCE LIPID VESICULES
BR8603402A (en) PROCESS AND APPARATUS TO RECOVER LIQUID HYDROCARBONS
BR8900350A (en) PROCESS TO PRODUCE POLYMERIC MATERIAL
BR8807252A (en) PROCESS AND APPARATUS TO PRODUCE LAMINATED MATERIAL AND LAMINATED MATERIAL OBTAINED
BR8707360A (en) LAYER PRODUCT PREPARATION PROCESS
BR8904550A (en) APPARATUS AND PROCESS TO MAKE CONTINUOUS PAPER STRIP
BR9509139A (en) Process to provide linear transmitter process to operate transmitter linear transmitter apparatus
BR8807896A (en) PROCESS AND APPARATUS FOR PREPARING EMULSES
BR9206785A (en) Blood bag and process for its production
BR9006095A (en) PROCESS FOR FORMING CONTAINER BORDER AND MACHINE TO PERFORM THE SAME
BR9006315A (en) PROCESS AND APPARATUS TO PRODUCE CIGARETTE BOYS
PT96117A (en) EQUILIBRIUM DEVICE FOR ROTARY ELEMENT AND BALANCING PROCESS
FI870683A0 (en) Apparatus and method for cooling the web or machine part in contact with the web
BR9006481A (en) PROCESS AND APPARATUS TO INHIBIT PROTISTS
BR8707623A (en) FREE OR SIMILAR, PROCESS AND APPARATUS FOR THE PRODUCTION OF THE SAME
BR8907322A (en) PROCESS AND APPARATUS TO FORM COHERENT COMPLEXES
BR8902135A (en) PROCESS AND APPARATUS TO IDENTIFY SPECIFIC OBJECTS OR ZONES
BR8902136A (en) PROCESS AND APPARATUS TO IDENTIFY SPECIFIC OBJECTS OR ZONES
BR9200506A (en) STRIP RECORDING PROCESS, PAIR OF RECORDING ROLLS, ENGRAVED STRIP, AND ENGRAVED FABRIC STRIP
BR8907015A (en) PROCESS TO PRODUCE 2,6-DIETHYLNAPHTHALENE
BR8702725A (en) ABA BLOCK POLYMER AND PROCESS FOR ITS PREPARATION
BR9007664A (en) APPARATUS AND MASSAR PRESS TRANSFER PROCESS
BR8602221A (en) CLOTH SUPPORT, SUPPORT SET AND PROCESS FOR PRODUCTION OF CLOTH SUPPORT
IT1112201B (en) PRESS-MELT APPARATUS AND PROCESS

Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee