ATE289458T1 - Frequenzmodulator unter verwendung eines digitalen filters zur wellenformung beim basisband - Google Patents

Frequenzmodulator unter verwendung eines digitalen filters zur wellenformung beim basisband

Info

Publication number
ATE289458T1
ATE289458T1 AT00402232T AT00402232T ATE289458T1 AT E289458 T1 ATE289458 T1 AT E289458T1 AT 00402232 T AT00402232 T AT 00402232T AT 00402232 T AT00402232 T AT 00402232T AT E289458 T1 ATE289458 T1 AT E289458T1
Authority
AT
Austria
Prior art keywords
frequency modulator
modulation
various
providing
waveform generator
Prior art date
Application number
AT00402232T
Other languages
English (en)
Inventor
Nadim Khlat
Original Assignee
Freescale Semiconductor 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 Freescale Semiconductor Inc filed Critical Freescale Semiconductor Inc
Application granted granted Critical
Publication of ATE289458T1 publication Critical patent/ATE289458T1/de

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
    • 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
    • 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
    • H03C3/0925—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop applying frequency modulation at the divider in the feedback 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
    • H03C3/0941—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
    • 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

Landscapes

  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Transmitters (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Manipulation Of Pulses (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Liquid Crystal Substances (AREA)
AT00402232T 2000-08-04 2000-08-04 Frequenzmodulator unter verwendung eines digitalen filters zur wellenformung beim basisband ATE289458T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00402232A EP1178601B1 (de) 2000-08-04 2000-08-04 Frequenzmodulator unter Verwendung eines digitalen Filters zur Wellenformung beim Basisband

Publications (1)

Publication Number Publication Date
ATE289458T1 true ATE289458T1 (de) 2005-03-15

Family

ID=8173796

Family Applications (1)

Application Number Title Priority Date Filing Date
AT00402232T ATE289458T1 (de) 2000-08-04 2000-08-04 Frequenzmodulator unter verwendung eines digitalen filters zur wellenformung beim basisband

Country Status (9)

Country Link
US (1) US6873218B2 (de)
EP (1) EP1178601B1 (de)
JP (1) JP4383046B2 (de)
KR (1) KR100861669B1 (de)
CN (1) CN1258259C (de)
AT (1) ATE289458T1 (de)
AU (1) AU2001276404A1 (de)
DE (1) DE60018177T2 (de)
WO (1) WO2002013369A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2394372B (en) * 2002-10-19 2004-08-25 Motorola Inc Frequency generation in a wireless communication unit
US7224746B2 (en) * 2002-12-31 2007-05-29 Teradyne, Inc Pre-compensation for digital bit streams
JP4045978B2 (ja) * 2003-02-25 2008-02-13 松下電器産業株式会社 デジタル信号送受信機
US7561652B2 (en) * 2003-04-22 2009-07-14 Paul Kevin Hall High frequency spread spectrum clock generation
DE102004019984B4 (de) * 2004-04-23 2006-06-29 Infineon Technologies Ag Einrichtung zur Verarbeitung von Funk-Sendedaten mit einer digitalen Vorverzerrung
US7733980B2 (en) * 2006-07-14 2010-06-08 International Business Machines Corporation Quadrature modulation circuits and systems supporting multiple modulation modes at gigabit data rates
CN101132382B (zh) * 2006-08-22 2012-02-22 豪威国际控股有限公司 调频发射器
US8411709B1 (en) 2006-11-27 2013-04-02 Marvell International Ltd. Use of previously buffered state information to decode in an hybrid automatic repeat request (H-ARQ) transmission mode
US7535311B2 (en) * 2006-11-30 2009-05-19 Infineon Technologies Ag Direct wideband modulation of a frequency synthesizer
US8605823B2 (en) * 2007-08-14 2013-12-10 Rambus Inc. Communication using continuous-phase modulated signals
US8897393B1 (en) 2007-10-16 2014-11-25 Marvell International Ltd. Protected codebook selection at receiver for transmit beamforming
US8542725B1 (en) 2007-11-14 2013-09-24 Marvell International Ltd. Decision feedback equalization for signals having unequally distributed patterns
US8565325B1 (en) 2008-03-18 2013-10-22 Marvell International Ltd. Wireless device communication in the 60GHz band
US8498342B1 (en) 2008-07-29 2013-07-30 Marvell International Ltd. Deblocking filtering
US8761261B1 (en) 2008-07-29 2014-06-24 Marvell International Ltd. Encoding using motion vectors
US8345533B1 (en) 2008-08-18 2013-01-01 Marvell International Ltd. Frame synchronization techniques
WO2010023509A1 (en) * 2008-08-26 2010-03-04 Freescale Semiconductor, Inc. Computational generation of narrow-bandwidth digital signals
US8681893B1 (en) 2008-10-08 2014-03-25 Marvell International Ltd. Generating pulses using a look-up table
US8520771B1 (en) * 2009-04-29 2013-08-27 Marvell International Ltd. WCDMA modulation
US8554159B2 (en) * 2010-04-09 2013-10-08 Intel Mobile Communications GmbH Direct FM/PM modulation
US8817771B1 (en) 2010-07-16 2014-08-26 Marvell International Ltd. Method and apparatus for detecting a boundary of a data frame in a communication network
DE102011004752B4 (de) 2011-02-25 2021-10-28 Apple Inc. Signalverarbeitungsschaltung und Verfahren
US8525598B2 (en) 2012-01-17 2013-09-03 Freescale Semiconductor, Inc. Digital to analog converter for phase locked loop
WO2014013289A1 (en) * 2012-07-20 2014-01-23 Freescale Semiconductor, Inc. Calibration arrangement for frequency synthesizers
CN102868653B (zh) * 2012-09-10 2015-08-26 电子科技大学 一种基于双谱和稀疏矩阵的数字调制信号分类方法
US9035682B2 (en) 2012-12-29 2015-05-19 Motorola Solutions, Inc. Method and apparatus for single port modulation using a fractional-N modulator
CN104300914B (zh) * 2013-12-27 2017-11-03 陕西烽火电子股份有限公司 一种基于dds和dsp的射频数字化调制方法
WO2016048760A1 (en) * 2014-09-26 2016-03-31 Siemens Healthcare Diagnostics Inc. Phase-modulated standing wave mixing apparatus and methods
KR102516357B1 (ko) 2016-08-09 2023-03-31 삼성전자주식회사 외부 신호에 응답하여 발진기의 주파수를 보정하는 장치 및 방법
CN107026615B (zh) * 2017-03-07 2020-05-19 四川海格恒通专网科技有限公司 一种两点调制电路及其工作方法
CN111900978B (zh) * 2020-08-07 2021-11-23 上海橙群微电子有限公司 锁相环电路、发射机和无线收发系统
US11509327B2 (en) 2020-08-10 2022-11-22 Analog Devices, Inc. System and method to enhance noise performance in a delta sigma converter

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153884A (en) 1975-12-16 1979-05-08 Sanyo Electric Co., Ltd. Frequency synthesizer for transmitter/receiver using a phase locked loop
US4755774A (en) * 1985-07-15 1988-07-05 Motorola Inc. Two-port synthesizer modulation system employing an improved reference phase modulator
FR2642243B1 (fr) * 1989-01-24 1991-04-19 Labo Electronique Physique Circuit de predistorsion adaptative
EP0408238B1 (de) * 1989-07-08 1996-03-27 Plessey Semiconductors Limited Frequenzsynthesizer
US5268692A (en) 1991-03-14 1993-12-07 Grosch Theodore O Safe stopping distance detector, antenna and method
US5648987A (en) * 1994-03-24 1997-07-15 Samsung Electronics Co., Ltd. Rapid-update adaptive channel-equalization filtering for digital radio receivers, such as HDTV receivers
US5548541A (en) * 1994-08-08 1996-08-20 Interstate Electronics Corporation Finite impulse response filter for modulator in digital data transmission system
US5517197A (en) * 1994-10-24 1996-05-14 Rockwell International Corporation Modular radar architecture film (FM/CW or pulse) for automobile collision avoidance applications
US5825257A (en) * 1997-06-17 1998-10-20 Telecommunications Research Laboratories GMSK modulator formed of PLL to which continuous phase modulated signal is applied
US5805480A (en) * 1997-07-03 1998-09-08 National Semiconductor Corporation Rotationally predictive adaptive filter
US5983077A (en) * 1997-07-31 1999-11-09 Ericsson Inc. Systems and methods for automatic deviation setting and control in radio transmitters
GB9827363D0 (en) * 1998-12-14 1999-02-03 Philips Electronics Nv Transmitter

Also Published As

Publication number Publication date
DE60018177D1 (de) 2005-03-24
EP1178601A1 (de) 2002-02-06
JP4383046B2 (ja) 2009-12-16
AU2001276404A1 (en) 2002-02-18
WO2002013369A1 (en) 2002-02-14
EP1178601B1 (de) 2005-02-16
DE60018177T2 (de) 2005-06-30
US6873218B2 (en) 2005-03-29
CN1258259C (zh) 2006-05-31
KR100861669B1 (ko) 2008-10-07
JP2004506364A (ja) 2004-02-26
US20040090909A1 (en) 2004-05-13
CN1451202A (zh) 2003-10-22
KR20030028561A (ko) 2003-04-08

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