• ADV7390, ADV7391: unused SFL pin

    Can you confirm that the Subcarrier Frequency Lock (SFL) pin on the ADV7391
    video encoder should be tied
    to ground if this function is not used?


    SFL pin can be input and output, hence do not tie it to GND when it is not
    used. Let this pin floating…

  • what does the "-3" on the brand of ADV7390/1/2/3 and ADV7340/1/2/3 indicate?

    The latest revision of the encoder has the -3 version branded on it's package. The revision code of the encoder can be read back from register 0xBB bits 7:6. 01B indicates the latest revision.

    Further information on the change made to this version…

  • Does the ADV7390 support the BT656 format: 640×480(VIC No1, certified EIA-CEA-861)?

    No, the ADV7390 cannot support any graphic video standards including 640X480@60. The ADV7390 can however support 480p and 576p in BT656 format. Also the ADV7390 cannot do any video scaling such as converting 576p video  to 640X480@60.

  • RE: [ADV7390] DAC1 output at startup


     Please refer below thread, here expert suggested the Power Up/Power down sequences of ADV739x,

      Power UP/Down sequence of ADV7390 - Q&A - Video - EngineerZone (analog.com)



  • [ADV7390] About NTSC Output


    I have a question about the NTSC output of the ADV7390.

    Is there an easy way to disable NTSC output?

    Best regards.

  • ADV7610 + ADV7390

    HI guys,

    Could you please check below register's settings  for adv7610?, Actually, It dosent' work. I have checked HDMI input signal correctly, but output of adv7610 is just LLC clocks but screen is black.

    My requirements:

    ADV7610 input : HDMI …

  • About NTSC support for ADV7390


    I have a question about ADV7390.

    It turns out that the ADV7390 supports NTSC M.
    Does it also support NTSC J?

    Best regards


  • [ADV7390] About NTSC-J settings


    I have a question about NTSC-J settings.

    To set NTSC-J, is it okay to set the second from the bottom of Table 49 on page 58 of the data sheet as follows?

    Please tell me including notes.

    ・Set "SD brightness value" of SD brightness / WSS Register …

  • [ADV7390] Abnormal sine pulses during Vertical blanking on NTSC output.


    I have a question about ADV7390.

    My customer uses ADV7390 for his project.
    He can see abnormal waveforms during V blanking.

    I summuized the question to attached file "Vblanikng_Waveform.xlsx".
    Please refer it.

    Thank you!
    Best regards.