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Thread: USB FM RDS Solution with sofware

  1. #31
    Maximum Bitrate Frankino's Avatar
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    Nov 2004
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    Italy
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    659
    any news? seems very good but a LOT of testing is required..
    Peugeot 206 1.4 HDi

    Intel Mini-ITX Mainboard
    Celeron 1.2ghz
    256mb DDR-2 533
    80gig 3.5" SATA HDD
    Sb Live 5.1 w/ KXProject Drivers
    M2-ATX
    8" Lilliput TS LCD

    100% installed and working :D

  2. #32
    Newbie
    Join Date
    Oct 2005
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    20
    Quote Originally Posted by rum
    Told you!

    I am really curious what the price will be for you. I have to pay 50 for 1 and 30 for 5. In compare to the price the TS mentioned I find that strange...
    If you order 5 or so I'm interested to get one for 30 + p&p from you, and if we are more than 5 that get together we can maybe get a better prize? Let me know what you think. /H

  3. #33
    Variable Bitrate 12Vsystems's Avatar
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    Mar 2005
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    Orange County, CA
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    338
    Ok so this product isn't vapor ware you just can't purchase it.

    I am still trying to purchase this from Avnet, no quote or lead time yet after 10 phone calls and multiple emails. My first request was on the 8th of January
    Spent all my money on carputers now I have to work a real job.
    http://www.858graphics.com

  4. #34
    Variable Bitrate 12Vsystems's Avatar
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    No quote as of yet but I got another call from Avnet today telling me their on it.

    I am not sure what there idea of on it is, I not expecting anything soon.
    Spent all my money on carputers now I have to work a real job.
    http://www.858graphics.com

  5. #35
    Raw Wave rando's Avatar
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    Mar 2004
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    Redondo Beach, CA
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    http://www.mouser.com/index.cfm?hand..._pcodeid=63402

    I ordered about a month ago and received it today. Listening to it (on my desktop) right now. Still have to test in my car with/without a car antenna. Antenna impedance matching might be an issue.

    Performance
    Reception (in doors): Good. It's better than my A/V receiver with a similar antenna.
    Seek/Scanning: Good
    Sound: Good w/ some snaps pops and hiss observed (nothing really abnormal IMHO)
    Sensitivity to antenna placement/movement (in doors): Comparable to A/V receiver.

    Other Observations
    Installation: Plug in radio, launch application. Uses MS supplied HID driver.
    RDS: Confirmed reception of station call letters, artist, title, and slogans and other messages depending on channel
    Design/Schematics: 100% open
    Software Interface: 100% open
    AM: None
    Audio output: Digital direct to PC sound hardware via USB. No analog outputs provided. **underlying hardware outputs analog which is digitized on board
    Audio delay: ~.25s

    ... to be continued

  6. #36
    Newbie
    Join Date
    May 2004
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    48
    Wow, I'm amazed you can order it from mouser! I called Silabs and they gave me aggrivation. I'm in the US and I need a NDA to purchase the eval board and get the datasheet. I'm going to try to get the NDA and just play around with it myself. The evaluation board is $150 from silabs and only obtainable via the NDA.

  7. #37
    Low Bitrate
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    Jul 2001
    Location
    Western North Carolina
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    97
    Anyone going in for a group purchase ?

  8. #38
    Newbie
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    May 2004
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    48
    I'm buying one, for $35 it's not bad. They use a good radio IC.

  9. #39
    Raw Wave rando's Avatar
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    Mar 2004
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    My initial testing inside my truck is mixed. Using the stock aerial lead the radio was pretty much worthless. Using one of the two factory window antennas (and oem signal amp) I'm able to pull in most stations. The hiss and pops I heard in doors are still there but there doesn't seem to be any car induced noise (no engine whine or other computer related noise).

    The biggest problem I noticed is flutter. I believe this is multipath at work. I had similar issues with my custom built CRAM radio. I don't think using one half of the diversity antenna system in my truck is going to work out too well. I'm going to try my stock antenna with an actual head unit radio to see if it performs similarly -- just to isolate the issue.

  10. #40
    Raw Wave rando's Avatar
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    Using an old HU I had lying around I was able to receive excellent reception across the band using my factory antenna. This doesn't bode well for my test results with SiLabs USB FM tuner. So far, I still haven't been able to achieve anything resembling HU performance with it.

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