Video Converters

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Video Converters

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  • Forum Post: TVP5154 Video Decoder configuration question.

    Nicholas Lee
    [There appears to be no 'video' forum, so I am posting to /etc.] I am trying to configure the TVP5154's registers to enable it to accept signals from my progressive-scan monochrome camera and output signals in VGA format for later display on an LCD monitor. Please can you help me to determine...
    on May 21, 2009

  • Forum Post: TVP5150 video decoder in non-standard application

    Dave Jones
    I need to lock to a standard definition video signal (NTSC or PAL) and generate a line locked pixel clock, H sync, V sync, composite blanking and color subcarrier. The TVP5150 looks like it can do all of that except recreating the color subcarrier. I can not find any chips in current production that...
    on Aug 4, 2009

  • Forum Post: TVP5150AM1 no NTSC colour lock

    David Ambry
    Hi there, My TVP5150AM1 application does not colour lock on NTSC, but does on PAL. Luminance is always correctly decoded. Sometimes Pr is correctly decoded, but in that case there is no Pb. Some background information: The device is clocked from the crystal output of a 3.3V 8051-family...
    on Aug 17, 2009

  • Forum Post: Bad PAL Video Quality - TVP5154 & Eval Board

    Mick Soriano
    We're evaluating the TVP5154 video decoder using the TVP5154EVMDVB REV 1.2 evaluation board. We're seeing pretty bad PAL picture quality using color bar patterns. The color bar edges are very jittery/fuzzy. Before we conclude that the TVP5154 IC itself has unacceptable PAL video quality, I'd...
    on Aug 31, 2009

  • Forum Post: Converting Analog S-Video to Digital RGB Data for FPGA Interface

    Aditya Satpute
    Hi , I am looking for a low power video ADC , which can convert the S-video information to corrosponding digital information. I need to interface the same to an FPGA . I have the s-video image source as a camera (PAL) and i am now looking for the video ADC. I have been suggested TVP7002 . Has some1...
    on Nov 5, 2009

  • Forum Post: TVP5150 question

    ZHENGXU HUANG
    HI, all I am using TVP5150A connecting with a PAL camera as input, and connect to DM642.The TVP5150 output is a standard ITU-R 8bit BT656 4:2:2 (720*576) with embedded synchronization(SAV and EAV).The DM642 is used to process the BT656 data.ALL function is OK .However the output video has a black...
    on Jan 11, 2010

  • Forum Post: Problem Using a TVP5150AM1 in PAL Mode

    seunghun lim
    Hi, Everybody. I faced problems using a TVP5150AM1. I am developing a car AVN with PLDS Loader + TCC8900 CPU(Telechips). In NTSC mode, there is a little bit flicker noise also. But in PAL mode, there are lots of flicker and 'Rainbow' effect(Please, forgive me. i don't know the...
    on Dec 1, 2010

  • Forum Post: Re: Problem Using a TVP5150AM1 in PAL Mode

    seunghun lim
    Dear Viet, Thank you for your reply. I applied V048CAA patch but still have same problem. After using patch, check ID results are; ROM major version 82h -> 04h ROM minor version 83h -> 8ch Do you have another recommendable try? Regrads, Sam
    on Dec 3, 2010

  • Forum Post: Re: Problem Using a TVP5150AM1 in PAL Mode

    seunghun lim
    Dear Viet, The register 8Ch is 83h(Autoswitch mode and (B,G,H,I,N)PAL ITU-R BT.601). By the way, the Status register #1(address 88h) value is read 6Eh or EEh(Peak white is detected or not). Especially the picture such as posted in my previous question, EEh is read more frequently than...
    on Dec 6, 2010

  • Forum Post: Re: Problem Using a TVP5150AM1 in PAL Mode

    seunghun lim
    Dear, Viet, The Problems are both flicker and rainbow noise(false color?). The flicker what i mentioned is different than a normal flicker caused by refreshing rate. Due to my poor English, i can't explain problem detail. So, i attach some files for explaining my problem state. ...
    on Dec 10, 2010

  • Forum Post: Re: Problem Using a TVP5150AM1 in PAL Mode

    seunghun lim
    Hello Viet, My current browser is a google chrome and i experienced same problem not to see my attached AVI files in TI web. However, it is possible to see AVI files as i did right click on the file box area and selected 'save link as different name..' in pop-up menu. I want to...
    on Dec 13, 2010

  • Forum Post: Re: Problem Using a TVP5150AM1 in PAL Mode

    seunghun lim
    Dear Larry, In my thought, my circuit has a correct capacitor value. Two 27pF are adopted in current. 33pF was tested also, but still same problem occurred. Using 27pF is more close to 14.31818MHz than using 33pF when i measured by a frequency counter. I attached the applied crystal specification...
    on Dec 13, 2010

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