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Thread: New LNBF, why is a new scan needed?

  1. #13
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    Very very very well explained. I understood it the first time I was reading it. Thank you for taking the time to post this.

    So in my case it could be a low quality LNBF or a miss-tuned LNBF or a drifted LNBF because of temperature etc. etc. etc.
    The PLL should be the closest to the transponder frequency since it is using a crystal for oscillation as a reference point.

    In other words when I scanned with the old LNBF and the new LNBF, the frequency may not be the same. If the frequency difference is way greater than the receivers stored frequency,then the receiver can't handle this since it is out of specs and the channels do not tune in.

    Thank you.

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    Quote Originally Posted by johann12 View Post
    So in my case it could be a low quality LNBF or a miss-tuned LNBF or a drifted LNBF because of temperature etc. etc. etc.
    The PLL should be the closest to the transponder frequency since it is using a crystal for oscillation as a reference point.

    In other words when I scanned with the old LNBF and the new LNBF, the frequency may not be the same. If the frequency difference is way greater than the receivers stored frequency,then the receiver can't handle this since it is out of specs and the channels do not tune in.
    Exactly! Now with the PLL LNBF, the Blind Scan transponder frequencies will be as accurate as the receiver's firmware provides.
    Last edited by SatelliteAV; 01-05-2013 at 09:21 PM.

  4. #15
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    Brian's explanation above, of LNB LO Frequency has been permanently placed in the FAQ section.

    http://www.satelliteguys.us/threads/...-Frequency-101
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  5. #16
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    Quote Originally Posted by ke4est View Post
    Brian's explanation above, of LNB LO Frequency has been permanently placed in the FAQ section.



    http://www.satelliteguys.us/threads/...-Frequency-101
    Thank you,
    I am sure that will help other folks.

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