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FI914510L - Generering av saendningssignalen i en mobiltelefon - Google Patents

Generering av saendningssignalen i en mobiltelefon Download PDF

Info

Publication number
FI914510L
FI914510L FI914510A FI914510A FI914510L FI 914510 L FI914510 L FI 914510L FI 914510 A FI914510 A FI 914510A FI 914510 A FI914510 A FI 914510A FI 914510 L FI914510 L FI 914510L
Authority
FI
Finland
Prior art keywords
saendningssignalen
generering
mobiltelefon
Prior art date
Application number
FI914510A
Other languages
English (en)
Other versions
FI89848C (fi
FI89848B (fi
FI914510A0 (fi
Inventor
Markku Vimpari
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 FI914510A priority Critical patent/FI89848C/fi
Publication of FI914510A0 publication Critical patent/FI914510A0/fi
Priority to GB9219846A priority patent/GB2260044B/en
Priority to US07/947,755 priority patent/US5390168A/en
Publication of FI914510L publication Critical patent/FI914510L/fi
Application granted granted Critical
Publication of FI89848B publication Critical patent/FI89848B/fi
Publication of FI89848C publication Critical patent/FI89848C/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0983—Modifications of modulator for regulating the mean frequency using a phase locked loop containing in the loop a mixer other than for phase detection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0933—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop using fractional frequency division in the feedback loop of the phase locked loop
    • 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
    • H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
    • H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
    • H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
    • H03L7/185—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number using a mixer in the loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/0058—Quadrature arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators
FI914510A 1991-09-25 1991-09-25 Generering av saendningssignalen i en mobiltelefon FI89848C (fi)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI914510A FI89848C (fi) 1991-09-25 1991-09-25 Generering av saendningssignalen i en mobiltelefon
GB9219846A GB2260044B (en) 1991-09-25 1992-09-21 A radio frequency transmission circuit
US07/947,755 US5390168A (en) 1991-09-25 1992-09-21 Radio frequency transmission circuit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI914510A FI89848C (fi) 1991-09-25 1991-09-25 Generering av saendningssignalen i en mobiltelefon
FI914510 1991-09-25

Publications (4)

Publication Number Publication Date
FI914510A0 FI914510A0 (fi) 1991-09-25
FI914510L true FI914510L (fi) 1993-03-26
FI89848B FI89848B (fi) 1993-08-13
FI89848C FI89848C (fi) 1993-11-25

Family

ID=8533183

Family Applications (1)

Application Number Title Priority Date Filing Date
FI914510A FI89848C (fi) 1991-09-25 1991-09-25 Generering av saendningssignalen i en mobiltelefon

Country Status (3)

Country Link
US (1) US5390168A (fi)
FI (1) FI89848C (fi)
GB (1) GB2260044B (fi)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5392460A (en) * 1993-04-23 1995-02-21 Nokia Mobile Phones Ltd. Dual mode radiotelephone terminal selectively operable for frequency modulated or phase modulated operation
US5511236A (en) * 1993-12-07 1996-04-23 National Semiconductor Corporation Half duplex RF transceiver
FI105247B (fi) * 1994-11-14 2000-06-30 Nokia Mobile Phones Ltd Menetelmä ja kytkentä radiopuhelimen taajuuksien muodostamiseksi
FI98330C (fi) 1994-12-15 1997-05-26 Nokia Mobile Phones Ltd UHF-syntesoija
FI98420C (fi) * 1995-01-24 1997-06-10 Nokia Mobile Phones Ltd Menetelmä ja kytkentä moduloidun signaalin muodostamiseksi lähetin/vastaanottimessa
FI951918A7 (fi) * 1995-04-21 1996-10-22 Nokia Mobile Phones Ltd Lähetin-vastaanotinlaite ja menetelmä kompleksien I/Q-signaalin synnyttämiseksi ja käsittelemiseksi
EP1271763B1 (en) * 1995-12-25 2006-04-19 Matsushita Electric Industrial Co., Ltd. High frequency apparatus
FI106328B (fi) 1996-02-08 2001-01-15 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely vastaanotetun signaalin käsittelemiseksi
FI104924B (fi) * 1996-02-29 2000-04-28 Nokia Mobile Phones Ltd Lähetinvastaanotin, jossa on vaihdettava taajuusalue ja kaistanleveys
FI961143L (fi) * 1996-03-12 1997-09-13 Nokia Mobile Phones Ltd Menetelmä ja piirijärjestely vastaanotettujen signaalien käsittelemiseksi tiedonsiirtojärjestelmässä
US5787362A (en) * 1996-07-08 1998-07-28 Nokia Mobile Phones Limited AM removal from FM signal generated by IQ modulator
US5768691A (en) * 1996-08-07 1998-06-16 Nokia Mobile Phones Limited Antenna switching circuits for radio telephones
US5794159A (en) * 1996-08-07 1998-08-11 Nokia Mobile Phones Limited Dual band mobile station employing cross-connected transmitter and receiver circuits
GB2320631B (en) 1996-12-23 2001-07-18 Nokia Mobile Phones Ltd Radio receiver and radio transmitter
GB2320632B (en) 1996-12-23 2001-09-05 Nokia Mobile Phones Ltd Method and apparatus for transmitting and receiving signals
FI108486B (fi) * 1997-01-31 2002-01-31 Nokia Corp Menetelmõ ja piirijõrjestely vastaanotettujen signaalien kõsittelemiseksi tiedonsiirtojõrjestelmõssõ
US5974305A (en) 1997-05-15 1999-10-26 Nokia Mobile Phones Limited Dual band architectures for mobile stations
GB2331415A (en) * 1997-10-28 1999-05-19 Atl Monitors Limited Radio communications system
US6125266A (en) * 1997-12-31 2000-09-26 Nokia Mobile Phones Limited Dual band architectures for mobile stations having transmitter linearization feedback
FR2791213B1 (fr) * 1999-03-16 2001-05-25 Sagem Dispositif et procede d'emission dans un telephone mobile

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE793483A (fr) * 1972-12-29 1973-06-29 Int Standard Electric Corp Emetteur a boucle calee en phase.
US3942116A (en) * 1975-03-13 1976-03-02 California Microwave, Inc. Transceiver having improved voice actuated carrier and echo suppression circuit
JPS584497B2 (ja) * 1978-02-01 1983-01-26 株式会社ケンウッド 局部発振装置
JPS5648732A (en) * 1979-09-28 1981-05-02 Nec Corp Radio equipment
US4520474A (en) * 1983-12-05 1985-05-28 Motorola, Inc. Duplex communication transceiver with modulation cancellation
US5023930A (en) * 1987-08-03 1991-06-11 Orion Industries, Inc. Booster with detectable boost operation
US5291474A (en) * 1989-05-18 1994-03-01 Nokia Mobile Phones Ltd. Procedure for forming frequencies of a digital radio telephone
US5103459B1 (en) * 1990-06-25 1999-07-06 Qualcomm Inc System and method for generating signal waveforms in a cdma cellular telephone system

Also Published As

Publication number Publication date
FI89848C (fi) 1993-11-25
US5390168A (en) 1995-02-14
GB2260044A (en) 1993-03-31
FI89848B (fi) 1993-08-13
GB2260044B (en) 1995-05-17
GB9219846D0 (en) 1992-10-28
FI914510A0 (fi) 1991-09-25

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Legal Events

Date Code Title Description
BB Publication of examined application
MA Patent expired