DE69621664T2 - Schaltungsanordnung zur A/D-Umsetzung eines Videosignals mit Hoch- oder Zwischenfrequenz - Google Patents

Schaltungsanordnung zur A/D-Umsetzung eines Videosignals mit Hoch- oder Zwischenfrequenz

Info

Publication number
DE69621664T2
DE69621664T2 DE69621664T DE69621664T DE69621664T2 DE 69621664 T2 DE69621664 T2 DE 69621664T2 DE 69621664 T DE69621664 T DE 69621664T DE 69621664 T DE69621664 T DE 69621664T DE 69621664 T2 DE69621664 T2 DE 69621664T2
Authority
DE
Germany
Prior art keywords
conversion
video signal
intermediate frequency
circuit arrangement
arrangement
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.)
Expired - Lifetime
Application number
DE69621664T
Other languages
English (en)
Other versions
DE69621664D1 (de
Inventor
Werner Boie
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.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
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 Thomson Multimedia SA filed Critical Thomson Multimedia SA
Publication of DE69621664D1 publication Critical patent/DE69621664D1/de
Application granted granted Critical
Publication of DE69621664T2 publication Critical patent/DE69621664T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N5/4446—IF amplifier circuits specially adapted for B&W TV
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/10—Calibration or testing
    • H03M1/1009—Calibration
    • H03M1/1033—Calibration over the full range of the converter, e.g. for correcting differential non-linearity
    • H03M1/1038—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables
    • H03M1/1047—Calibration over the full range of the converter, e.g. for correcting differential non-linearity by storing corrected or correction values in one or more digital look-up tables using an auxiliary digital/analogue converter for adding the correction values to the analogue signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
    • H03M1/164—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/20—Increasing resolution using an n bit system to obtain n + m bits

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
DE69621664T 1995-01-23 1996-01-15 Schaltungsanordnung zur A/D-Umsetzung eines Videosignals mit Hoch- oder Zwischenfrequenz Expired - Lifetime DE69621664T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP95400129 1995-01-23

Publications (2)

Publication Number Publication Date
DE69621664D1 DE69621664D1 (de) 2002-07-18
DE69621664T2 true DE69621664T2 (de) 2002-11-28

Family

ID=8221456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69621664T Expired - Lifetime DE69621664T2 (de) 1995-01-23 1996-01-15 Schaltungsanordnung zur A/D-Umsetzung eines Videosignals mit Hoch- oder Zwischenfrequenz

Country Status (3)

Country Link
US (1) US5812077A (de)
JP (1) JP3706187B2 (de)
DE (1) DE69621664T2 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000183980A (ja) * 1998-12-14 2000-06-30 Alps Electric Co Ltd ディジタル信号形成回路
JP4588278B2 (ja) * 1999-07-16 2010-11-24 エヌエックスピー ビー ヴィ アナログ−デジタル変換器
US6744390B1 (en) * 2000-03-31 2004-06-01 The Boeing Company Analog to digital converter utilizing resolution enhancement
US6353405B1 (en) * 2000-06-29 2002-03-05 System General Corp. Low distortion video analog-to-digital converter
US6323792B1 (en) * 2000-08-28 2001-11-27 National Instruments Corporation Method for correcting analog-to-digital converter (ADC) errors, and apparatus embodying same
DE60307226D1 (de) * 2003-02-18 2006-09-14 St Microelectronics Srl Analog-Digital-Wandler mit Korrektur von Verschiebungsfehlern
US7218258B2 (en) * 2004-02-05 2007-05-15 Broadcom Corporation Method and system for mixed analog-digital automatic gain control
JP3882830B2 (ja) * 2004-06-24 2007-02-21 ソニー株式会社 信号処理装置、信号処理方法
WO2007044981A2 (en) * 2005-10-13 2007-04-19 Guzik Technical Enterprises Sampling and measurement of periodic signals
EP3240197A1 (de) * 2016-04-28 2017-11-01 Nxp B.V. Empfängerschaltungen mit feedforward signalpfad

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2264432B1 (de) * 1974-03-15 1976-12-17 Thomson Csf
US4502078A (en) * 1982-02-22 1985-02-26 Rca Corporation Digital television receivers
US4903023A (en) * 1985-11-06 1990-02-20 Westinghouse Electric Corp. Subranging analog-to-digital converter with digital error correction
GB8705923D0 (en) * 1987-03-12 1987-04-15 Gen Electric Co Plc Analogue to digital converter
JP2690905B2 (ja) * 1987-08-28 1997-12-17 株式会社日立製作所 直並列形ａｄ変換器
DE3743727A1 (de) * 1987-12-23 1989-07-13 Itt Ind Gmbh Deutsche Fernsehempfangsteil mit digital arbeitenden stufen
WO1990003066A1 (en) * 1988-09-07 1990-03-22 Analog Devices, Inc. Subranging analog-to-digital converter without delay line
US5105194A (en) * 1991-01-29 1992-04-14 Sony Corp. Of America Time shift two-step analog to digital converter
US5353027A (en) * 1991-11-01 1994-10-04 U.S. Philips Corporation Multistep analog-to-digital converter with error correction

Also Published As

Publication number Publication date
JPH08293793A (ja) 1996-11-05
US5812077A (en) 1998-09-22
DE69621664D1 (de) 2002-07-18
JP3706187B2 (ja) 2005-10-12

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