ATE363154T1 - Phasenrauscharmer frequenzumsetzer - Google Patents

Phasenrauscharmer frequenzumsetzer

Info

Publication number
ATE363154T1
ATE363154T1 AT01305869T AT01305869T ATE363154T1 AT E363154 T1 ATE363154 T1 AT E363154T1 AT 01305869 T AT01305869 T AT 01305869T AT 01305869 T AT01305869 T AT 01305869T AT E363154 T1 ATE363154 T1 AT E363154T1
Authority
AT
Austria
Prior art keywords
frequency
frequency conversion
conversion circuit
local oscillators
pair
Prior art date
Application number
AT01305869T
Other languages
English (en)
Inventor
Gert Lynge Nielsen
Original Assignee
Unique Broadband Systems 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 Unique Broadband Systems Ltd filed Critical Unique Broadband Systems Ltd
Application granted granted Critical
Publication of ATE363154T1 publication Critical patent/ATE363154T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
    • 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
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one 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
    • H03L7/22—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop
    • H03L7/23—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using more than one loop with pulse counters or frequency dividers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/455—Demodulation-circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
  • Tires In General (AREA)
  • Details Of Television Scanning (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Amplifiers (AREA)
  • Dc-Dc Converters (AREA)
AT01305869T 2000-07-06 2001-07-06 Phasenrauscharmer frequenzumsetzer ATE363154T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US21619700P 2000-07-06 2000-07-06
US23067500P 2000-09-07 2000-09-07

Publications (1)

Publication Number Publication Date
ATE363154T1 true ATE363154T1 (de) 2007-06-15

Family

ID=26910766

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01305869T ATE363154T1 (de) 2000-07-06 2001-07-06 Phasenrauscharmer frequenzumsetzer

Country Status (6)

Country Link
US (1) US6968017B2 (de)
EP (1) EP1175008B1 (de)
AT (1) ATE363154T1 (de)
CA (1) CA2352398C (de)
DE (1) DE60128518T2 (de)
DK (1) DK1175008T3 (de)

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KR100769671B1 (ko) * 2005-02-21 2007-10-24 삼성전자주식회사 Ｍｂ-ｏｆｄｍ 송수신장치 및 그 신호처리 방법
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TWI357206B (en) * 2007-04-24 2012-01-21 Realtek Semiconductor Corp Mixer circuit
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CA2689502A1 (en) 2007-06-15 2009-03-05 Michele Bargauan Communications system to feed multiple single frequency networks with multiple content
BRPI0813505A2 (pt) * 2007-06-15 2015-01-06 Michele Bargauan Remarcação de referência de relógio de programa determinístico para adaptação de taxa de bit síncrona com base em pacote de inicialização de mega-quadro
US7907020B2 (en) * 2007-08-31 2011-03-15 Apple Inc. Constant calibration
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US7995575B2 (en) * 2008-01-02 2011-08-09 Cisco Technology, Inc. Packet error handling
CN101527518B (zh) * 2008-03-03 2011-01-12 台达电子工业股份有限公司 具有高分辨率可变电压/频率控制的变频器装置
US8300113B2 (en) * 2008-10-10 2012-10-30 Los Alamos National Security, Llc Hadamard multimode optical imaging transceiver
ATE536670T1 (de) * 2008-10-23 2011-12-15 Thomson Licensing Synchronisiertes steuerungsverfahren mehrerer formatierungsvorrichtungen und system mit stromformatierungsvorrichtungen
US20100111145A1 (en) * 2008-11-05 2010-05-06 Broadcom Corporation Baseband unit having bit repetitive encoded/decoding
JP2011254122A (ja) * 2009-03-23 2011-12-15 Nec Corp 回路、制御システム、制御方法及びプログラム
US8861574B2 (en) * 2010-05-21 2014-10-14 Telecommunications Research Laboratories System and method for providing a wireless/power-line diversity communications channel
US8456245B2 (en) * 2011-10-12 2013-06-04 Texas Instruments Incorporated Two LO and two mixers generating high frequency LO signal
US9473203B2 (en) * 2012-04-30 2016-10-18 Metrotech Corporation Signal select in underground line location
JP2015527826A (ja) * 2012-07-23 2015-09-17 アソシエイテッド ユニバーシティーズ，インコーポレイテッド 可変周波数コムラインおよび周波数トグリングを利用するシンセサイザー方法
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US9641126B2 (en) * 2013-12-19 2017-05-02 Qualcomm Incorporated Systems and methods for I-Q imbalance calibration
TWI538431B (zh) 2014-09-02 2016-06-11 宏正自動科技股份有限公司 地面數位視訊廣播系統及其調變方法
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JP6773032B2 (ja) * 2015-06-11 2020-10-21 ソニー株式会社 信号処理装置および信号処理方法、並びにプログラム
CN106452656B (zh) * 2016-08-31 2019-05-14 成都市和平科技有限责任公司 一种基于频率合成器的射频信号干扰系统和方法
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EP3627705A1 (de) * 2018-09-21 2020-03-25 INTEL Corporation Vorrichtungen zum erzeugen eines oszillationssignals
US10804944B1 (en) * 2019-03-29 2020-10-13 Ali Corporation Narrowband filter having sharp filtering characteristic
CN110350892B (zh) * 2019-07-24 2023-03-31 中北大学 一种基于dds时钟移相技术的延时装置及方法
CN112821884B (zh) * 2019-11-18 2023-07-25 群联电子股份有限公司 信号产生电路、存储器存储装置及信号产生方法
JP6972403B1 (ja) * 2021-02-22 2021-11-24 株式会社Xtia 低相対位相雑音光コム発生装置
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Also Published As

Publication number Publication date
US20020006171A1 (en) 2002-01-17
EP1175008B1 (de) 2007-05-23
US6968017B2 (en) 2005-11-22
EP1175008A2 (de) 2002-01-23
CA2352398A1 (en) 2002-01-06
EP1175008A3 (de) 2004-01-02
DE60128518D1 (de) 2007-07-05
CA2352398C (en) 2005-07-26
DE60128518T2 (de) 2008-01-17
DK1175008T3 (da) 2007-09-24

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