DE602005016398D1 - Integrierter analogvideoempfänger - Google Patents

Integrierter analogvideoempfänger

Info

Publication number
DE602005016398D1
DE602005016398D1 DE602005016398T DE602005016398T DE602005016398D1 DE 602005016398 D1 DE602005016398 D1 DE 602005016398D1 DE 602005016398 T DE602005016398 T DE 602005016398T DE 602005016398 T DE602005016398 T DE 602005016398T DE 602005016398 D1 DE602005016398 D1 DE 602005016398D1
Authority
DE
Germany
Prior art keywords
analog video
video receiver
integrated analog
carrier frequency
video signal
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
DE602005016398T
Other languages
English (en)
Inventor
Weijie Yun
Samuel Sheng
Dennis Yee
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.)
M & C Corporate Services Ltd
Telegent Systems Inc
Original Assignee
M & C Corporate Services Ltd
Telegent Systems 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 M & C Corporate Services Ltd, Telegent Systems Inc filed Critical M & C Corporate Services Ltd
Publication of DE602005016398D1 publication Critical patent/DE602005016398D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/007—Demodulation of angle-, frequency- or phase- modulated oscillations by converting the oscillations into two quadrature related signals
    • H03D3/008—Compensating DC offsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/06—Demodulator circuits; Receiver circuits
    • H04L27/063—Superheterodyne receivers
    • 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
    • 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
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0047—Offset of DC voltage or frequency
    • 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
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/63—Generation or supply of power specially adapted for television receivers
DE602005016398T 2004-04-30 2005-05-02 Integrierter analogvideoempfänger Active DE602005016398D1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US56719104P 2004-04-30 2004-04-30
US61228204P 2004-09-21 2004-09-21
US61210804P 2004-09-21 2004-09-21
US62319304P 2004-10-29 2004-10-29
US63446804P 2004-12-09 2004-12-09
PCT/US2005/015174 WO2005109625A2 (en) 2004-04-30 2005-05-02 Integrated analog video receiver

Publications (1)

Publication Number Publication Date
DE602005016398D1 true DE602005016398D1 (de) 2009-10-15

Family

ID=34968801

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005016398T Active DE602005016398D1 (de) 2004-04-30 2005-05-02 Integrierter analogvideoempfänger

Country Status (9)

Country Link
US (8) US7505086B2 (de)
EP (2) EP2075908A3 (de)
KR (1) KR101039451B1 (de)
CN (2) CN101540855B (de)
AT (1) ATE441969T1 (de)
DE (1) DE602005016398D1 (de)
ES (1) ES2330454T3 (de)
HK (1) HK1130141A1 (de)
WO (1) WO2005109625A2 (de)

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CN108377388B (zh) * 2018-03-29 2023-09-08 珠海迈科智能科技股份有限公司 一种双Tuner模组电视信号测量仪及方法
US10645337B1 (en) 2019-04-30 2020-05-05 Analong Devices International Unlimited Company Video line inversion for reducing impact of periodic interference signals on analog video transmission
CN110572225B (zh) * 2019-07-18 2022-04-15 广州润芯信息技术有限公司 接收机直流失调监测系统、方法、电子设备及存储介质
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Also Published As

Publication number Publication date
CN1973431A (zh) 2007-05-30
WO2005109625A3 (en) 2006-03-30
EP1751848B1 (de) 2009-09-02
US20050243220A1 (en) 2005-11-03
KR20070046786A (ko) 2007-05-03
US7932958B2 (en) 2011-04-26
KR101039451B1 (ko) 2011-06-07
US20050243219A1 (en) 2005-11-03
EP2075908A3 (de) 2009-07-22
US8077262B2 (en) 2011-12-13
US7929060B2 (en) 2011-04-19
US7505086B2 (en) 2009-03-17
US20090185079A1 (en) 2009-07-23
US8203653B2 (en) 2012-06-19
CN101540855A (zh) 2009-09-23
WO2005109625A2 (en) 2005-11-17
EP2075908A2 (de) 2009-07-01
CN1973431B (zh) 2011-08-03
US20080297664A1 (en) 2008-12-04
CN101540855B (zh) 2011-01-05
US20050243217A1 (en) 2005-11-03
ATE441969T1 (de) 2009-09-15
ES2330454T3 (es) 2009-12-10
US20080158433A1 (en) 2008-07-03
US20100225820A1 (en) 2010-09-09
EP1751848A2 (de) 2007-02-14
US20050243218A1 (en) 2005-11-03
US7453526B2 (en) 2008-11-18
HK1130141A1 (en) 2009-12-18
US7542100B2 (en) 2009-06-02

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