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how to power amplified antenna with carpc

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  • how to power amplified antenna with carpc

    Hi everyone,

    I have been looking around for a while to solve this issue but maybe I am not using the right keywords or something.

    I plan to use the Dabby DVB,DAB+, FM USB tuner. I plan to plug this into factory antenna, which is an amplified antenna. I have all the necessary plugs/cables to convert from OEM to RF.

    The question is, can I just hook the antenna power cable to 12v DC or do I need to hook it up to 5v or something?

  • #2
    All the car antennas i've seen that need power require 12v DC
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    • #3
      Ditto.

      Usually powered from "aux power outs" on radios else the ACC position (or whatever...). Some or most radio antenna (controller) circuits are also suitable - ie, those supply +12V to extend the antenna and later cut the +12V to retract it. (Older ones are often just a pulse to release older "latched" or locked-down manual antennas etc.)


      And AFAIK those amps are usually low Amps. The one I had one (last millennium) was ~10mA; the equivalent of one, or a half, LED.

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      • #4
        You need power inserter and a 12v - 5V power supply. Google for konig power inserter.

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        • #5
          Originally posted by Fekker View Post
          You need power inserter and a 12v - 5V power supply. Google for konig power inserter.
          This is for a standard antenna, what I am trying to do is use my amplified car antenna, which has a seperate ant power lead. After doing some more research I believe that I can just hook it to the Acc to get it working.

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          • #6
            FIY, Iím using a powered aerial; the supply of course is for powering the RF preamp located inside the base of the antenna.

            The aftermarket DAB, FM, AM unit I fitted takes 12v to 24v. I connected mine to the ACC line.
            Palm sized ainol MiniPC, 8" Transreflective PRO, Win10, Reverse camera, Dual 10HZ GPS RX's for Speed Display & Sat Nav, FM-DAB & Phone Modules, iDrive interface. T-Screen HVAC control, custom microcontrollers, microcode and FE.

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            • #7
              Originally posted by elpres View Post
              After doing some more research I believe that I can just hook it to the Acc to get it working.
              that was exactly what i was going to recommend.
              My OLD 2001 Mitsubishi Eclipse GT:
              "The Project That Never Ended, until it did"


              next project? subaru brz
              carpc undecided

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              • #8
                find the antenna power wire and hook it up to a switch power wire and call it a big fat day
                CarPc
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                • #9
                  Originally posted by elpres View Post
                  This is for a standard antenna, what I am trying to do is use my amplified car antenna, which has a seperate ant power lead. After doing some more research I believe that I can just hook it to the Acc to get it working.
                  I see, that inserter works for fm/dab as well and is for an antenna without a seperate feed wire like I have, as you now state there is a power wire from the antenna then yes it connects to the acc output from the radio.

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                  • #10
                    Originally posted by Fekker View Post
                    I see, that inserter works for fm/dab as well and is for an antenna without a seperate feed wire like I have, as you now state there is a power wire from the antenna then yes it connects to the acc output from the radio.
                    right from the start I mentioned antenna power cable

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                    • #11
                      Of course you did, in my haste to try and be helpful I overlooked that.

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