FI925917A - Frekvens- och fasmodulator foer digitala modulatorer och foer digital transmission, speciellt foer radiotransmission - Google Patents

Frekvens- och fasmodulator foer digitala modulatorer och foer digital transmission, speciellt foer radiotransmission Download PDF

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Publication number
FI925917A
FI925917A FI925917A FI925917A FI925917A FI 925917 A FI925917 A FI 925917A FI 925917 A FI925917 A FI 925917A FI 925917 A FI925917 A FI 925917A FI 925917 A FI925917 A FI 925917A
Authority
FI
Finland
Prior art keywords
transmission
digital
fasmodulator
frequency
specific
Prior art date
Application number
FI925917A
Other languages
English (en)
Other versions
FI925917A0 (fi
Inventor
Hans-Peter Ketterling
Original Assignee
Bosch Gmbh Robert
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 Bosch Gmbh Robert filed Critical Bosch Gmbh Robert
Publication of FI925917A0 publication Critical patent/FI925917A0/fi
Publication of FI925917A publication Critical patent/FI925917A/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
    • H03C3/0966—Modifications of modulator for regulating the mean frequency using a phase locked loop modulating the reference clock
    • 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
    • H03C3/0941—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation at more than one point in the 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
    • H03C3/095—Modifications of modulator for regulating the mean frequency using a phase locked loop applying frequency modulation to the loop in front of the voltage controlled oscillator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
    • H04L27/12—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2003—Modulator circuits; Transmitter circuits for continuous phase modulation
    • H04L27/2007—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained
    • H04L27/2017—Modulator circuits; Transmitter circuits for continuous phase modulation in which the phase change within each symbol period is constrained in which the phase changes are non-linear, e.g. generalized and Gaussian minimum shift keying, tamed frequency modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/20—Modulator circuits; Transmitter circuits
    • H04L27/2032—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner
    • H04L27/2035—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers
    • H04L27/2042—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states
    • H04L27/2046—Modulator circuits; Transmitter circuits for discrete phase modulation, e.g. in which the phase of the carrier is modulated in a nominally instantaneous manner using a single or unspecified number of carriers with more than two phase states in which the data are represented by carrier phase
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0004—Circuit elements of modulators
    • H03C2200/0029—Memory circuits, e.g. ROMs, RAMs, EPROMs, latches, shift registers
    • 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
    • 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
    • H03C2200/0079—Measures to linearise modulation or reduce distortion of modulation characteristics

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FI925917A 1992-01-15 1992-12-29 Frekvens- och fasmodulator foer digitala modulatorer och foer digital transmission, speciellt foer radiotransmission FI925917A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4200816A DE4200816A1 (de) 1992-01-15 1992-01-15 Frequenz- und phasenmodulator fuer digitale modulatoren bzw. digitale uebertragung, insbesondere fuer funkuebertragung

Publications (2)

Publication Number Publication Date
FI925917A0 FI925917A0 (fi) 1992-12-29
FI925917A true FI925917A (fi) 1993-07-16

Family

ID=6449520

Family Applications (1)

Application Number Title Priority Date Filing Date
FI925917A FI925917A (fi) 1992-01-15 1992-12-29 Frekvens- och fasmodulator foer digitala modulatorer och foer digital transmission, speciellt foer radiotransmission

Country Status (5)

Country Link
US (1) US5467373A (fi)
EP (1) EP0551573A3 (fi)
JP (1) JPH05347642A (fi)
DE (1) DE4200816A1 (fi)
FI (1) FI925917A (fi)

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EP0717491B1 (en) 1994-12-13 2003-02-26 Hughes Electronics Corporation High precision, low phase noise synthesizer with vector modulator
US6366620B1 (en) 1994-12-13 2002-04-02 Hughes Electronics Corporation VSAT system
FI98330C (fi) 1994-12-15 1997-05-26 Nokia Mobile Phones Ltd UHF-syntesoija
US5812604A (en) * 1996-07-16 1998-09-22 Scientific-Atlanta, Inc. Constant envelope continuous phase frequency shift key modulation apparatus and method at radio frequencies
GB9617313D0 (en) * 1996-08-17 1996-09-25 Cedardell Ltd Transmitter controller
US5952890A (en) * 1997-02-05 1999-09-14 Fox Enterprises, Inc. Crystal oscillator programmable with frequency-defining parameters
US5960405A (en) * 1997-02-05 1999-09-28 Fox Enterprises, Inc. Worldwide marketing logistics network including strategically located centers for frequency programming crystal oscillators to customer specification
US5825257A (en) * 1997-06-17 1998-10-20 Telecommunications Research Laboratories GMSK modulator formed of PLL to which continuous phase modulated signal is applied
US6002923A (en) * 1997-11-07 1999-12-14 Telefonaktiebolaget Lm Ericsson Signal generation in a communications transmitter
US6301310B1 (en) 1998-12-14 2001-10-09 Hughes Electronics Corporation Efficient implementation for systems using CEOQPSK
JP2000286915A (ja) 1999-03-31 2000-10-13 Toshiba Corp 信号変調回路及び信号変調方法
US6631169B1 (en) * 1999-12-27 2003-10-07 Syncomm Technology Corporation Apparatus and method for GMSK baseband modulation based on a reference phase to be simplified
DE10100555B4 (de) * 2001-01-09 2004-05-27 Texas Instruments Deutschland Gmbh Schaltungsanordnung zur Erzeugung eines phasenstarren frequenzmodulierbaren Trägerfrequenzsignals
FR2836612B1 (fr) * 2002-02-22 2004-10-15 Thales Sa Procede de transmission de donnees numeriques au moyen d'un modulateur de frequence et modulateur correspondant
DE102004005503B4 (de) * 2004-01-30 2009-11-26 Atmel Automotive Gmbh Verfahren zur Frequenzumsetzung und Empfänger
TWI278184B (en) * 2005-05-23 2007-04-01 Novatek Microelectronics Corp A modulation method and apparatus with adjustable divisors of the dividers in phase-locked loop
JP2007221773A (ja) * 2006-01-19 2007-08-30 Matsushita Electric Ind Co Ltd Ｐｌｌ変調回路、無線送信装置及び無線通信装置
EP1983711B1 (de) 2007-04-17 2019-06-12 Sivantos GmbH Digitaler Phasenmodulator und entsprechendes Verfahren
CN104363013B (zh) * 2014-09-02 2018-06-08 中国科学院国家授时中心 一种低附加噪声的频率电压转换器
WO2017039372A1 (en) 2015-09-02 2017-03-09 Lg Electronics Inc. Method and apparatus for performing cell search in wireless communication system
US11095295B2 (en) 2018-06-26 2021-08-17 Silicon Laboratories Inc. Spur cancellation for spur measurement
US10840897B1 (en) * 2019-10-31 2020-11-17 Silicon Laboratories Inc. Noise canceling technique for a sine to square wave converter
US11038521B1 (en) 2020-02-28 2021-06-15 Silicon Laboratories Inc. Spur and quantization noise cancellation for PLLS with non-linear phase detection
US11316522B2 (en) 2020-06-15 2022-04-26 Silicon Laboratories Inc. Correction for period error in a reference clock signal

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1473202A (fr) * 1966-01-25 1967-03-17 Cit Alcatel Générateur de fréquences régulièrement échelonnées dans une très large bande
NL6702110A (fi) * 1967-02-11 1968-08-12
US4052672A (en) * 1976-07-22 1977-10-04 Motorola, Inc. Extended phase-range, high fidelity modulator arrangement
DE2801525A1 (de) * 1978-01-14 1979-07-19 Standard Elektrik Lorenz Ag Winkelmodulierbarer oszillator
JPS55663A (en) * 1978-06-19 1980-01-07 Toshiba Corp Frequency synthesizer
JPS621322A (ja) * 1985-06-27 1987-01-07 Nec Corp 周波数シンセサイザ
DE3533222A1 (de) * 1985-09-18 1987-03-19 Schlumberger Messgeraete Gmbh Schaltungsanordnung mit einer gleichspannungsfrequenzmodulierbaren phasenregelschleife
US4654859A (en) * 1986-04-09 1987-03-31 Racal Data Communications Inc. Frequency synthesizer for frequency hopping communication system
US4739288A (en) * 1987-03-27 1988-04-19 Teletec Corporation Combined phase and frequency modulator for modulating an information signal
DE69026151T2 (de) * 1989-07-08 1996-08-22 Plessey Semiconductors Ltd Frequenzsynthesizer
JP2841693B2 (ja) * 1990-04-19 1998-12-24 日本電気株式会社 Ｐｌｌ周波数シンセサイザ
US5021754A (en) * 1990-07-16 1991-06-04 Motorola, Inc. Fractional-N synthesizer having modulation spur compensation
DE4028565A1 (de) * 1990-09-08 1992-03-12 Philips Patentverwaltung Oszillator mit phasenregelkreis

Also Published As

Publication number Publication date
EP0551573A3 (en) 1993-09-08
US5467373A (en) 1995-11-14
DE4200816A1 (de) 1993-07-22
FI925917A0 (fi) 1992-12-29
EP0551573A2 (de) 1993-07-21
JPH05347642A (ja) 1993-12-27

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