FI914028A - Reglering av modulatorinfasningen - Google Patents

Reglering av modulatorinfasningen Download PDF

Info

Publication number
FI914028A
FI914028A FI914028A FI914028A FI914028A FI 914028 A FI914028 A FI 914028A FI 914028 A FI914028 A FI 914028A FI 914028 A FI914028 A FI 914028A FI 914028 A FI914028 A FI 914028A
Authority
FI
Finland
Prior art keywords
controlling
modulator phase
modulator
phase
Prior art date
Application number
FI914028A
Other languages
English (en)
Finnish (fi)
Other versions
FI96072B (sv
FI96072C (sv
FI914028A0 (sv
Inventor
Jorma Matero
Original Assignee
Nokia Mobile Phones Ltd
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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Priority to FI914028A priority Critical patent/FI96072C/sv
Publication of FI914028A0 publication Critical patent/FI914028A0/sv
Priority to US07/934,945 priority patent/US5357221A/en
Priority to GB9218157A priority patent/GB2259203B/en
Publication of FI914028A publication Critical patent/FI914028A/sv
Publication of FI96072B publication Critical patent/FI96072B/sv
Application granted granted Critical
Publication of FI96072C publication Critical patent/FI96072C/sv

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
    • 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
FI914028A 1991-08-27 1991-08-27 Reglering av modulatorinfasningen FI96072C (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI914028A FI96072C (sv) 1991-08-27 1991-08-27 Reglering av modulatorinfasningen
US07/934,945 US5357221A (en) 1991-08-27 1992-08-25 Regulation of modulator I and Q signal phasing
GB9218157A GB2259203B (en) 1991-08-27 1992-08-26 Regulation of modulator phasing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI914028 1991-08-27
FI914028A FI96072C (sv) 1991-08-27 1991-08-27 Reglering av modulatorinfasningen

Publications (4)

Publication Number Publication Date
FI914028A0 FI914028A0 (sv) 1991-08-27
FI914028A true FI914028A (sv) 1993-02-28
FI96072B FI96072B (sv) 1996-01-15
FI96072C FI96072C (sv) 1996-04-25

Family

ID=8533023

Family Applications (1)

Application Number Title Priority Date Filing Date
FI914028A FI96072C (sv) 1991-08-27 1991-08-27 Reglering av modulatorinfasningen

Country Status (3)

Country Link
US (1) US5357221A (sv)
FI (1) FI96072C (sv)
GB (1) GB2259203B (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3420613B2 (ja) * 1993-06-30 2003-06-30 日本無線株式会社 直交変調器
GB2281830B (en) * 1993-09-11 1998-08-12 Nokia Mobile Phones Ltd I/q-modulator and i/q-demodulator
GB2282287B (en) * 1993-09-25 1998-01-28 Nokia Mobile Phones Ltd A mixer
US5621345A (en) * 1995-04-07 1997-04-15 Analog Devices, Inc. In-phase and quadrature sampling circuit
FI98177C (sv) 1995-06-01 1997-04-25 Nokia Mobile Phones Ltd Förfarande och kretsarrangemang för behandling av en signal innehållande interferens
US5740525A (en) * 1996-05-10 1998-04-14 Motorola, Inc. Method and apparatus for temperature compensation of a reference oscillator in a communication device
JP3050146B2 (ja) * 1996-11-28 2000-06-12 日本電気株式会社 デジタル温度補償発振器
GB2320864B (en) 1996-12-31 2001-07-11 Nokia Mobile Phones Ltd Signal Offset Elimination
FI105377B (sv) 1997-05-29 2000-07-31 Nokia Mobile Phones Ltd Metod för att sända två parallela kanaler med koddivision och radioapparat för att realisera metoden
GB9718131D0 (en) * 1997-08-27 1997-10-29 Sertway Limited Communications apparatus
FI104133B (sv) 1997-11-28 1999-11-15 Nokia Mobile Phones Ltd Kodnings- och moduleringsförfarande och anordning för dess tillämpning
FI106607B (sv) 1998-01-07 2001-02-28 Nokia Mobile Phones Ltd Cellurval i ett cellulärt radiosystem med flera modulationer
FI981518A (sv) 1998-07-01 2000-01-02 Nokia Mobile Phones Ltd Förfarande för datakommunikation och radiosystem
FI106491B (sv) 1998-08-12 2001-02-15 Nokia Mobile Phones Ltd Förfarande och anordning för sömfri ändring av datahastigheten i radiogränssnittet för kretskopplad kommunikation
US20030119473A1 (en) * 1998-11-09 2003-06-26 Smith Stephen H. Adjustable balanced modulator
EP1145422A4 (en) * 1998-11-09 2002-10-02 Smith Technology Dev Llc ADJUSTABLE BALANCE MODULATOR
WO2014125325A1 (en) * 2013-02-12 2014-08-21 Freescale Semiconductor, Inc. Active iq and quadrature generator for high frequency applications
CN103986417B (zh) * 2014-05-15 2017-02-15 中国电子科技集团公司第四十一研究所 一种可实现自动检测和控制的零频幅度抑制电路及方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1508340A (fr) * 1966-11-24 1968-01-05 Csf Générateur de bandes latérales
US3921079A (en) * 1974-05-13 1975-11-18 Gte Automatic Electric Lab Inc Multi-phase clock distribution system
US4475088A (en) * 1981-06-04 1984-10-02 Westinghouse Electric Corp. Gain imbalance corrected quadrature phase detector
GB2196195B (en) * 1986-09-16 1990-12-19 Plessey Co Plc Quadrature signal generator
US4717894A (en) * 1986-10-23 1988-01-05 Hewlett-Packard Company Calibration of vector modulators using a scalar detector
US4918405A (en) * 1988-10-26 1990-04-17 Hewlett-Packard Company Signal generator utilizing a combined phase locked and frequency locked loop
US5122879A (en) * 1990-06-01 1992-06-16 Citizen Watch Co., Ltd. Television synchronous receiver with phase shifter for reducing interference from a lower adjacent channel
US5028885A (en) * 1990-08-30 1991-07-02 Motorola, Inc. Phase-locked loop signal generation system with control maintenance
GB2249442A (en) * 1990-11-01 1992-05-06 Stc Plc Correction of quadrature phase error

Also Published As

Publication number Publication date
GB9218157D0 (en) 1992-10-14
FI96072B (sv) 1996-01-15
GB2259203A (en) 1993-03-03
GB2259203B (en) 1995-12-13
FI96072C (sv) 1996-04-25
US5357221A (en) 1994-10-18
FI914028A0 (sv) 1991-08-27

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Legal Events

Date Code Title Description
MA Patent expired