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Thread: OEM GPS Modules.

  1. #41
    MySQL Error jcdillin's Avatar
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    A question for the ones that have used this module, I got my unit today. I noticed that the output voltage is 3.3v for the antenna. my antenna is 5v. the datasheet claims I can put 5v into the RF bias pin to power the antenna. I just want to verify this before I blow my new unit out
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  2. #42
    FLAC IntellaWorks's Avatar
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    .

    I'm not to sure.. youd have to check the specs out for the antenna to see what it can handle.
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  3. #43
    MySQL Error jcdillin's Avatar
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    yeah I called tech support and it's correct, for my 5v antenna I just apply 5 volts to the RF bias pin so it will give the antenna the needed voltage
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  4. #44
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    ok cool, lemme know how it works out for you... how it works.. and everything..
    Progress [I will seriously never be done!]
    Via EPIA MII
    512MB RAM
    OEM GPS (embedded)
    nLite WinXP pro on
    1GB Extreme III CF card
    Carnetix 1260 startup/ DC-DC regulator
    Software: Still, re-Writing my existing front end in .Net

  5. #45
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    well, you guys just help me starting with my Dead Reckoning GPS project. I understand a little bit more on GPS for me to go to this route.

    Now I know MCX is an antenna connector.
    Serial connectors can be connect directly to the serial header on the board, and power from RF pin.

    So, I guess I'm gonna fork over my cash and buy the U-Blox GPS receiver w/DR very soon.

    This is the datasheet for the 20 pin connectors.. Can someone translate to non techincal english for me?
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  6. #46
    FLAC IntellaWorks's Avatar
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    excellant

    Sweet ! Good Luck, really its not that diffacult..
    Progress [I will seriously never be done!]
    Via EPIA MII
    512MB RAM
    OEM GPS (embedded)
    nLite WinXP pro on
    1GB Extreme III CF card
    Carnetix 1260 startup/ DC-DC regulator
    Software: Still, re-Writing my existing front end in .Net

  7. #47
    MySQL Error jcdillin's Avatar
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    honestly I think it's easier than the USB models in some cases, no drivers, still powered by the machine, can have any antenna you want, etc..
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  8. #48
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    @nl4jy: I've been eye-ing ublox modules for a while too. Which one you plan on purchasing? The TIM-LR or SBR-LS? From what I've read so far those two have DR capability and reasonable prices.

    Btw, so that I don't get called a thread hijacker : I've been using Garmin GPS25LP OEM GPS engine for about one year now. Love it, especially the dual serial output. I can use two different navigation software simultaneously on my carputer.
    EPIA Nehemiah M10k, M1-ATX, 20GB 4200 RPM 2.5", 256MB RAM, Win XP Home, Gyration RF Keyboard & Mouse, Zoltrix Nightingale Optical 4.1 PCI Sound Card, Lilliput 619GL-70NP, XM-PCR w/ optical upgrade, Garmin GPS-25LVS, Microsoft MN-710 USB Wireless NIC

  9. #49
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    honestly I think it's easier than the USB models in some cases, no drivers, still powered by the machine, can have any antenna you want, etc..
    i gotta fully agree with you on this one. also, i don't know if you noticed, but the garmin unit automatically starts searching for satellites as soon as it receives its power input unlike some usb units like the earthmate.

    Also jc, got yours working yet? Cause I'd like to know how your receiver reacts while driving 30+ mph under foilage, including bare tree's? Cause I loose lock easily and am waiting for it warm up before i start diagnosing, woundering how others work.

  10. #50
    MySQL Error jcdillin's Avatar
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    well it's funny you should ask, because I just got done installing it into my carputer, I have not taken it for a drive yet, but this thing is awesome, it has 4 sats locked sitting in my living room.


    I'm using the 15L with a 5 volt active larsen mag mount antenna.
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