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  1. Replies
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    I wasn't suggesting my own design. I was...

    I wasn't suggesting my own design. I was suggesting maybe doing a project with a smaller scope would help get to the finish line - along with my help. You are right though, I should have posted my...
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    25,838

    I'm not sure the efficiency argument works in the...

    I'm not sure the efficiency argument works in the 'CarPC' universe. As long as you get the heat out and the amp performs reasonably well, it's fine - we're only talking about 100W total. The...
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    25,838

    What about a simple lower power but still fully...

    What about a simple lower power but still fully digital amp that doesn't require a boost power supply? I'm thinking Silicon Labs CP2114EK USB to I2S bridge, STMicro TDA7802 I2S AMP - 28W x 4 channel...
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    I didn't splice into the VGA cable, but I did...

    I didn't splice into the VGA cable, but I did de-solder the right angle connector off my Liliput 629, stuffed 3 single row headers in it's place, then ran a half dozen jumper leads from that header...
  5. Thread: FM stationList

    by eeguru
    Replies
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    1,489

    If there was a repository somewhere with this...

    If there was a repository somewhere with this information and transmitter power information, radio presents could dynamically change as you move through an area mile by mile. Would be pretty slick.
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    Nope. Nearly every station has been simulcasting...

    Nope. Nearly every station has been simulcasting analog and digital signals for 3-4+ years now- most of the later being in 1080i mpeg2 hi-def with 5.1 AC3 (max bit-rate of 19.4 Mb/s). The analog...
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    1,746

    Why do you assume analog only? Any USB tuner you...

    Why do you assume analog only? Any USB tuner you can buy for the past few years has been capable of ATSC digital reception. It's actually far less hardware.

    I would be really skeptical of any...
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    Nope. I'm planning to use something similar but...

    Nope. I'm planning to use something similar but with a bit more horse power. A Popcorn Hour B-110 with custom firmware. Paired with an SSD and LED backlit screen, it has almost zero heat, zero...
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    Obvious question. Did you try hooking it up to...

    Obvious question. Did you try hooking it up to the odd pairs too? same behavior?
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    1,245

    A ferrite bead...

    A ferrite bead is the cylindrical bulge you see in some cables near the connectors. It's an iron core that absorbs some high frequency noise. Some VGA cables I've seen don't have them (most do). ...
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    Also make sure your VGA cable has a ferrite bead...

    Also make sure your VGA cable has a ferrite bead on it.
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    That's nice. There are a lot of those. In fact,...

    That's nice. There are a lot of those. In fact, you could just desolder the TI module and tuner can out of the Visteon HD Zoom and use it. But there is a reason there are no consumer direct...
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    3,987

    The problem is going to be licensing. The HD...

    The problem is going to be licensing. The HD Radio modulation and data transport scheme are intellectual licensable property of iBiquity Digital Corporation. You can't legally make a decoder for...
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    No what I'm saying is 'maybe' there was a...

    No what I'm saying is 'maybe' there was a translation error. And where they say 'EVEN/ODD datal' in that pin-out they mean LVDS link number (where every other pixel really is transmitted on...
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    May just be a miss-translation in the pin outs. ...

    May just be a miss-translation in the pin outs. Maybe they do mean channel instead of pixel and they provide DE separately as well as in the LVDS sequencing.

    Try each set of diff pairs and see...
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    Are you sure the controller is LVDS? It sure...

    Are you sure the controller is LVDS? It sure doesn't look like it. The odd/even designation on the controller spec may refer to it being a dual link transmitter. In dual link mode, 2 pixels are...
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    Might checkout this thread in the Car Audio FAQ...

    Might checkout this thread in the Car Audio FAQ first. Not like it's the 3rd thread down on the list or anything.
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    It depends. Most devices map the extra 2 least...

    It depends. Most devices map the extra 2 least significant bits per color channel (24 bit total) on that 4th diff pair while still keeping the same 18-bit mappings on the first three. Some...
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    Sigma Designs 8634 based head unit

    It's not a Car 'PC' per say (e.g. x86), but it will run Linux and Windows CE. Just started planning a build using the smp8634 based multimedia player from Syabas' Popcorn Hour B-110 main board. Has...
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    Just got a new 629 w/ LED backlight from...

    Just got a new 629 w/ LED backlight from mp3car.com and it is doing the same thing. I've tried over a dozen 800X480 video mode lines so far and it always says 640x480.
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    The current arming state of caltrops, oil slick,...

    The current arming state of caltrops, oil slick, radar jammer, trunk mounted thermonuclear missle, etc...
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    Anyone know if and/or where I might find info on...

    Anyone know if and/or where I might find info on the the control library for Linux? Just received my radio today!
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    Count me in.

    Count me in.
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    Those are usually the best pics.

    Those are usually the best pics.
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    Unfortunately no. I still looking for something...

    Unfortunately no. I still looking for something that will take 6-channel linear PCM and break it out. So far no luck.

    As for the power supply, anything you do will ultimately be powered from the...
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