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  1. #1

    Default Bel LO1, LO2, LO3 error messages -- what these are!

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  2. #2
    Yoda of Radar
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    Direct wire kit won't help you much, it grounds to the frame too

    Good post though

  3. #3
    Lead Foot
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    Could the leakage that a cobra gives out on KA band be caused by a cobra calibration method? Maybe it emits a weak signal and then compares it to what the antenna receives.

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  5. #5
    Advanced Member
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    Quote Originally Posted by MEM-TEK
    Quote Originally Posted by polakatl
    Could the leakage that a cobra gives out on KA band be caused by a cobra calibration method? Maybe it emits a weak signal and then compares it to what the antenna receives.
    Good question, and I think that your idea is basically right. I suspect that Cobra is using a separate oscillator for Ka detection since it seems that the other major manufacturers have patents on using harmonics of a single primary oscillator for detection of all radar bands. Maybe some of our forum members who are electronics engineers will chime in with their thoughts.
    No, Cobra doesn't emit a weak signal to compare to what the antenna receives. Any leakage from the Cobras is simply due to regular oscillator leakage.

    To the best of my knowledge, Cobra detectors (made by BG Tech) use only one first LO.

 

 

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