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Bias-Tee power is going through the roof

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  • #1

    Bias-Tee power is going through the roof

    Hi folks,

    I have the active antenna (outside) and Bias-Tee from Jetvision
    Active Diapason Antenna 1090 MHz + BIAS TEE - jetvision Webshop
    https://webshop.jetvision.de/en/product/active-diapason-antenna-1090-mhz-bias-tee-bundle/
    This product is no longer available. You can find the successor product under Active Diapason Antenna High Gain 1090MHz + Bias Tee. Product description Active High Performance ADS-B Antenna 1090 MHz with 2.5 dBi gain; LNA amplifier, ca. 21 dB gain. For remote antenna setups to compensate for associated cable losses. Note: When using low loss coax


    I have had some problems where the antenna would work on and off, and my Raspberry reported overcurrent for the USB-Port of the Bias Tee
    Then I plugged it to a 5V 1.3Amp supply and it ran again for about 12h, then it required an even more powerful USB supply.
    The range of the antenna and reception quality has not changed at all

    What is happening with my setup?
    Is the Bias-Tee dying and struggling to supply the power to the antenna, or is the antenna somehow damaged (rain) and requiring an insane amount of power?

    I hope you can help me.

    Thank you very much!



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  • #2
    I usually check each element individually! Is the cable damaged? Does electricity work? And there will definitely be an answer.
    Last edited by alexthompson; 2023-07-13, 14:16.

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