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  1. yekai

    Progressive YPbPr to RGBHV converter

    TSH94 is a wide bandwidth OP AMP. Here is the datasheet. You can use any samilar OP AMP to replace the TSH94. The better the OP AMP, the better frequency response you have. http://us.st.com/stonline/books/pdf/docs/4023.pdf
  2. yekai

    RGB-->YPbPr converter for DIYers

    TSH94 is a wide bandwidth OP AMP. Here is the datasheet. http://us.st.com/stonline/books/pdf/docs/4023.pdf
  3. yekai

    Progressive YPbPr to RGBHV converter

    For frequncy response: That's depends on the OP AMP. I choose TSH94. The bandwidth of TSH94 is 150MHz. The most important is that the frequency response of this OP AMP is very flat. I have measured the output signal. 30MHz bandwidth is guranteed. For RGB-->YPbPr converter: Here is...
  4. yekai

    RGB-->YPbPr converter for DIYers

    This page is guide to built it. Unfortunately, only Chinese version available. http://yekaionline.wx-e.com/diy/doitvga2ypbpr.html
  5. yekai

    Progressive YPbPr to RGBHV converter

    Of course, you can choose Mitsubishi or KeyDigital. But here is the one I built. Link Removed Link Removed Link Removed Link Removed Link Removed
  6. yekai

    Get paid to watch DVD movies!

    Stacy, I also found that the Chroma Upsamling Error becomes very important for HDD/DVD+RW recoder. As I am designing the Progressive Scan part for a HDD player, I record a Movie in our labortory. The DVD player to play the Movie disc has such problem. And the HDD recoder has the same problem...
  7. yekai

    Get paid to watch DVD movies!

    Stacey, There is a good test disc for you: A Few Good Man from Columbia Pictures This disc have 4X3 and 16X9 version on the same disc. In the 16X9 version, there is no problem. In the 4x3 version, there are so many combing errors. Such as at 5'20". I have checked with Faroudja...
  8. yekai

    How useful is zoom feature on DVD players?

    It's a useless feature. Nobody will use it frequently. Some guys maybe use this feature for Adult Moive. I guess.
  9. yekai

    DVD authoring contributes to chroma bug

    For more information, there is a very interesting document about Chroma Upsamling Error. Link Removed
  10. yekai

    Is DVI/HDCP a critical feature now?

    The website about HDMI is still under construction. http://www.hdmi.com
  11. yekai

    Is DVI/HDCP a critical feature now?

    I think that DVI/DMI is a good thing to people. So, just stop HDCP, don't stop DVI/DMI
  12. yekai

    Is DVI/HDCP a critical feature now?

    The important improvement of DVI is to support non-compression digital data up to UXGA. Fireware or IEEE1394 is only 400MBPS. It is to slow to transfer HDTV. Now, people in consumer electronics are interested in HDMI/DMI/DVI-CE. This maybe becomes standatd interface of HDTV in the future...
  13. yekai

    About closed caption on 2H/Progressive scan signal

    Nobody knows whether there is closed caption on 2H (480P) ananlog signal?
  14. yekai

    About closed caption on 2H/Progressive scan signal

    Is there such a requirement? For 1H signal, the standard is EIA608. For DTV, it is EIA708. What's the standard for 2H signal?
  15. yekai

    Plus Piano. Can it do HDTV broadcasts?

    It's a very interesing comparison between Plus DLP with SONY VW11HT
  16. yekai

    Plus Piano. Can it do HDTV broadcasts?

    About this DLP projector, You may read this: Link Removed
  17. yekai

    DVD Video Scailing, facts and myth?

    - A progressive scan DVD player with a native 480p display (like sony hdtvs) is better than a display that scales a signal up to 1080i. Yes, 480P is the best for NTSC disc. I had scaled it to 576P/SVGA/XGA/HDTV and found that the vertical resolution becomes worse. - DVI is going to be...
  18. yekai

    Problems with Digital Natural Motion

    Does it has progressive scan input? If so, it's much better to use a PDVD player. As I know, only a few 100HZ TV has 3:2 pull down when they do de-interlacing.
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