DE602004012165D1 - Impulsbreitenmodulatorsystem - Google Patents

Impulsbreitenmodulatorsystem

Info

Publication number
DE602004012165D1
DE602004012165D1 DE602004012165T DE602004012165T DE602004012165D1 DE 602004012165 D1 DE602004012165 D1 DE 602004012165D1 DE 602004012165 T DE602004012165 T DE 602004012165T DE 602004012165 T DE602004012165 T DE 602004012165T DE 602004012165 D1 DE602004012165 D1 DE 602004012165D1
Authority
DE
Germany
Prior art keywords
pulse width
modulator
width modulator
modulator system
input
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
DE602004012165T
Other languages
English (en)
Other versions
DE602004012165T2 (de
Inventor
Lars Arknas-Pedersen
Kim Rishoej Pedersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tc Group Risskov Dk AS
Original Assignee
TC Electronic AS
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 TC Electronic AS filed Critical TC Electronic AS
Publication of DE602004012165D1 publication Critical patent/DE602004012165D1/de
Application granted granted Critical
Publication of DE602004012165T2 publication Critical patent/DE602004012165T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4902—Pulse width modulation; Pulse position modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/114—Indexing scheme relating to amplifiers the amplifier comprising means for electro-magnetic interference [EMI] protection
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/351—Pulse width modulation being used in an amplifying circuit
DE602004012165T 2004-05-28 2004-05-28 Impulsbreitenmodulatorsystem Active DE602004012165T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DK2004/000376 WO2005117253A1 (en) 2004-05-28 2004-05-28 Pulse width modulator system

Publications (2)

Publication Number Publication Date
DE602004012165D1 true DE602004012165D1 (de) 2008-04-10
DE602004012165T2 DE602004012165T2 (de) 2009-06-18

Family

ID=34957542

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602004012165T Active DE602004012165T2 (de) 2004-05-28 2004-05-28 Impulsbreitenmodulatorsystem
DE602005012384T Active DE602005012384D1 (de) 2004-05-28 2005-05-30 Mehrkanaliges impulsmodulatorsystem

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602005012384T Active DE602005012384D1 (de) 2004-05-28 2005-05-30 Mehrkanaliges impulsmodulatorsystem

Country Status (5)

Country Link
US (2) US7728689B2 (de)
EP (2) EP1751855B1 (de)
AT (2) ATE387750T1 (de)
DE (2) DE602004012165T2 (de)
WO (2) WO2005117253A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE387750T1 (de) * 2004-05-28 2008-03-15 Tc Electronic As Impulsbreitenmodulatorsystem
GB2449591B (en) 2005-01-17 2009-03-18 Wolfson Microelectronics Plc Pulse width modulator quantisation circuit
US7613920B2 (en) 2005-08-22 2009-11-03 Alcatel Lucent Mechanism to avoid expensive double-encryption in mobile networks
US7720170B2 (en) * 2005-12-13 2010-05-18 Awq Consulting Inc. Low emission signal generator and distributor system
WO2013088173A1 (en) * 2011-12-14 2013-06-20 Wolfson Microelectronics Plc Data transfer
GB2497566A (en) * 2011-12-14 2013-06-19 Wolfson Microelectronics Plc Simultaneous transmission of a plurality of audio data streams via a single communication link
DE102022104868B4 (de) 2022-03-02 2024-05-02 Webasto SE Anordnung zum Betreiben einer elektrischen Komponente in einem Fahrzeug

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JPS5521577A (en) 1978-08-03 1980-02-15 Nippon Kokan Kk <Nkk> Method of cooling material loading device at the top of blast furnace
JPS5582596A (en) * 1978-12-18 1980-06-21 Sony Corp Head phone unit
US4240036A (en) * 1979-04-13 1980-12-16 General Electric Company Linearized three-state switching amplifier
US4345323A (en) * 1980-01-07 1982-08-17 Amp Incorporated Pulse duration digital multiplexing system
DE3264600D1 (en) * 1981-02-16 1985-08-14 Bbc Brown Boveri & Cie Method of amplifying an analog low-frequency signal using a switching amplifier and switching amplifier for carrying out said method
LU84520A1 (fr) 1982-12-10 1984-10-22 Wurth Paul Sa Dispositif de refroidissement d'une installation de chargement d'un four a cuve
US4703471A (en) * 1985-01-02 1987-10-27 General Electric Company Monolithically integrated electro-optical multiplexer/demultiplexer
JPS61171244A (ja) * 1985-01-25 1986-08-01 Nippon Signal Co Ltd:The パルス幅変調波の合成方法
GB9103777D0 (en) * 1991-02-22 1991-04-10 B & W Loudspeakers Analogue and digital convertors
LU87948A1 (fr) * 1991-06-12 1993-01-15 Wurth Paul Sa Dispositif de refroidissement d'une goulotte de distribution d'une installation de chargement d'un four a cuve
US5617058A (en) * 1995-11-13 1997-04-01 Apogee Technology, Inc. Digital signal processing for linearization of small input signals to a tri-state power switch
US5956674A (en) * 1995-12-01 1999-09-21 Digital Theater Systems, Inc. Multi-channel predictive subband audio coder using psychoacoustic adaptive bit allocation in frequency, time and over the multiple channels
US6028944A (en) * 1997-03-04 2000-02-22 Compaq Computer Corporation Signal processing apparatus with selective power amplification
DE19857524C2 (de) * 1998-12-14 2001-09-06 Siemens Ag Leistungsverstärker
US6107876A (en) * 1999-04-13 2000-08-22 Ravisent Technologies, Inc. Digital input switching audio power amplifier
EP1049248B1 (de) * 1999-04-27 2005-08-17 STMicroelectronics S.r.l. Begrenzer für den analogen Eingangssignalhub in einem Klasse-D-Verstärker bei gleichbleibendem Tastverhältnis
US6665338B1 (en) * 2000-01-05 2003-12-16 Motorola, Inc. Circuitry for converting a sampled digital signal to a naturally sampled digital signal and method therefor
US6538504B1 (en) * 2000-05-19 2003-03-25 Jam Technologies, Llc Switching amplifier crossover distortion reduction technique
US6429737B1 (en) * 2000-07-06 2002-08-06 Stmicroelectronics, Inc. Method and apparatus for multi-channel digital amplification
EP1178388B1 (de) 2000-08-04 2006-06-28 STMicroelectronics S.r.l. Pulscodemodulation/Pulsbreitenmodulation-Umsetzer mit Pulsbreitenmodulation-Leistungsverstärker
CA2362104A1 (en) * 2000-10-30 2002-04-30 Simon Fraser University High efficiency power amplifier systems and methods
US6593807B2 (en) * 2000-12-21 2003-07-15 William Harris Groves, Jr. Digital amplifier with improved performance
US6552607B1 (en) * 2001-11-12 2003-04-22 Apogee Technology Inc. Time division multiplexed PWM amplifier
US6606044B2 (en) * 2002-01-02 2003-08-12 Motorola, Inc. Method and apparatus for generating a pulse width modulated signal
US20040189502A1 (en) * 2003-03-04 2004-09-30 Lee Ying Lau Multi-level pulse width modulation in digital system
US20040223545A1 (en) * 2003-03-04 2004-11-11 Lee Ying Lau Multi-level pulse width modulation in digital system
AU2003229540A1 (en) 2003-05-20 2004-12-13 Tc Electronics A/S Method of estimating an intersection between at least two continuous signal representations
WO2005004330A1 (en) 2003-07-07 2005-01-13 Tc Electronic A/S Method of establishing a pwm-modulated output signal representation
DE10337782B4 (de) * 2003-07-14 2007-03-01 Micronas Gmbh Methode und Schaltung zur effektiven Konvertierung von PCM-in PWM-Daten
US6970051B2 (en) * 2003-12-08 2005-11-29 Harris Corporation Pulse width modulator circuit having negative bias
ATE387750T1 (de) * 2004-05-28 2008-03-15 Tc Electronic As Impulsbreitenmodulatorsystem

Also Published As

Publication number Publication date
ATE421190T1 (de) 2009-01-15
EP1751856B1 (de) 2009-01-14
US20080211594A1 (en) 2008-09-04
EP1751856A2 (de) 2007-02-14
WO2005117382A2 (en) 2005-12-08
ATE387750T1 (de) 2008-03-15
US7728689B2 (en) 2010-06-01
EP1751855B1 (de) 2008-02-27
WO2005117382A3 (en) 2006-03-16
EP1751855A1 (de) 2007-02-14
US20080278253A1 (en) 2008-11-13
WO2005117253A1 (en) 2005-12-08
DE602004012165T2 (de) 2009-06-18
DE602005012384D1 (de) 2009-03-05

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: THE TC GROUP A/S, RISSKOV, DK

8364 No opposition during term of opposition