IT1250974B - APPARATUS AND PROCEDURE FOR GENERATING SIGNALS IN PHASE AND IN PHASE SQUARE. - Google Patents

APPARATUS AND PROCEDURE FOR GENERATING SIGNALS IN PHASE AND IN PHASE SQUARE.

Info

Publication number
IT1250974B
IT1250974B ITRM910965A ITRM910965A IT1250974B IT 1250974 B IT1250974 B IT 1250974B IT RM910965 A ITRM910965 A IT RM910965A IT RM910965 A ITRM910965 A IT RM910965A IT 1250974 B IT1250974 B IT 1250974B
Authority
IT
Italy
Prior art keywords
phase
procedure
generating signals
square
phase square
Prior art date
Application number
ITRM910965A
Other languages
Italian (it)
Inventor
Mark F Hilbert
Steven F 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 ITRM910965A0 publication Critical patent/ITRM910965A0/en
Publication of ITRM910965A1 publication Critical patent/ITRM910965A1/en
Application granted granted Critical
Publication of IT1250974B publication Critical patent/IT1250974B/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
ITRM910965A 1990-12-21 1991-12-20 APPARATUS AND PROCEDURE FOR GENERATING SIGNALS IN PHASE AND IN PHASE SQUARE. IT1250974B (en)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
ITRM910965A0 ITRM910965A0 (en) 1991-12-20
ITRM910965A1 ITRM910965A1 (en) 1993-06-20
IT1250974B true IT1250974B (en) 1995-04-24

Family

ID=24540758

Family Applications (1)

Application Number Title Priority Date Filing Date
ITRM910965A IT1250974B (en) 1990-12-21 1991-12-20 APPARATUS AND PROCEDURE FOR GENERATING SIGNALS IN PHASE AND IN PHASE SQUARE.

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
EP0660512B1 (en) * 1993-12-22 1999-12-08 Philips Composants Et Semiconducteurs Phase shifter amplifier and its application in a recombiner circuit
EP0753216A1 (en) * 1994-12-30 1997-01-15 Koninklijke Philips Electronics N.V. Circuit and method for generating accurate quadrature signals
WO1996037952A1 (en) * 1995-05-26 1996-11-28 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
US6674998B2 (en) * 2000-10-02 2004-01-06 Intersil Americas Inc. System and method for detecting and correcting phase error between differential signals
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
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
ITRM910965A0 (en) 1991-12-20
JPH05505297A (en) 1993-08-05
MX9102719A (en) 1992-06-01
FR2670975B1 (en) 1995-03-17
FR2670975A1 (en) 1992-06-26
AU9179691A (en) 1992-07-22
CA2073347C (en) 1995-05-09
BR9106406A (en) 1993-05-04
WO1992011704A1 (en) 1992-07-09
ITRM910965A1 (en) 1993-06-20
MX174064B (en) 1994-04-18

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950223