Jump to content
43oh

antennahead

Members
  • Content Count

    10
  • Joined

  • Last visited

  • Days Won

    1

Reputation Activity

  1. Like
    antennahead got a reaction from bluehash in Bare Bones F5172 EVM   
    Please find instructions attached for connecting a Launchpad debugger to this '5172 bare bones board.  this comes in handy if you don't have a FET430 bugger.
    This will work with other MSP430s as well, so long as the SPI-biwire inteferace is used for JTAG.
     
    5172+launchpad.pdf
  2. Like
    antennahead got a reaction from jsolarski in Bare Bones F5172 EVM   
    This board is now available from Schmartboard:
     
    http://www.schmartboard.com/index.asp?page=products_dev&id=641
     
     
  3. Like
    antennahead got a reaction from jsolarski in Bare Bones F5172 EVM   
    I've also created a 'F5172 eval board, but a simpler design.  See attached image.
     
    This design was motivated by a need at U. of Colorado, Boulder for a Timer_D enabled '430 for use in their senior level power lab class.
     
    Class starts on Monday, 1/14/2013.
     
    Schematic and BOM is attached.
     
    This board will be available for purchase from Schmartboard (http://www.schmartboard.com/) probably in about a month.
     
    Model #710-0009-01, board size is 2"x3" with 0.1" headers and the usual MSP430 UIF interface.
     
    It will cost between $20-$30 depending on if you want the MSP stuffed or not.
     
    If there is enough interest, I can spin the gerbers and delete Schmartboard's proprietary board outline and logo if people want to roll their own.
     
    Best regards,
    S. Dunbar
    Texas Instruments, FAE
     
     
    schematic.pdf
    BOM.pdf

  4. Like
    antennahead got a reaction from bluehash in Bare Bones F5172 EVM   
    This board is now available from Schmartboard:
     
    http://www.schmartboard.com/index.asp?page=products_dev&id=641
     
     
  5. Like
    antennahead got a reaction from pine in maximum range for ez430-rf2500?   
    Please see attached schematic, board photo, and paper we had submitted to RWS 2011/2012. 
     
    At any rate, we spun the antenna out of this as I previously mentioned and made DN034, previously cited in this thread.
     
    Ultimately the Chipcon team in Oslo decided not to pursue and App Note based on the combination CC2500+CC2591 for a few reasons.
     
    Beware, the way we were operating this thing was breaking all sorts of FCC rules... but we wanted to see how far we could push this chipset.
     
    The zip file has the gerber files- for proper transmission lines you MUST use the PCB stackup outlined in silkscreen.
    This stack-up is the Advanced Circuits "$66 Each" 4 layer prototype stackup.
    paperF.pdf

    schematic.pdf
    xcvr4.zip
  6. Like
    antennahead got a reaction from bluehash in maximum range for ez430-rf2500?   
    Please see attached schematic, board photo, and paper we had submitted to RWS 2011/2012. 
     
    At any rate, we spun the antenna out of this as I previously mentioned and made DN034, previously cited in this thread.
     
    Ultimately the Chipcon team in Oslo decided not to pursue and App Note based on the combination CC2500+CC2591 for a few reasons.
     
    Beware, the way we were operating this thing was breaking all sorts of FCC rules... but we wanted to see how far we could push this chipset.
     
    The zip file has the gerber files- for proper transmission lines you MUST use the PCB stackup outlined in silkscreen.
    This stack-up is the Advanced Circuits "$66 Each" 4 layer prototype stackup.
    paperF.pdf

    schematic.pdf
    xcvr4.zip
  7. Like
    antennahead got a reaction from bluehash in Bare Bones F5172 EVM   
    Gerber files are attached- changed to a plain rectangular board and removed schmartboard silkscreen for public consumption.
     
    BareBonesF5172_gerber.zip
  8. Like
    antennahead got a reaction from Rickta59 in Bare Bones F5172 EVM   
    Gerber files are attached- changed to a plain rectangular board and removed schmartboard silkscreen for public consumption.
     
    BareBonesF5172_gerber.zip
  9. Like
    antennahead got a reaction from spirilis in Bare Bones F5172 EVM   
    Gerber files are attached- changed to a plain rectangular board and removed schmartboard silkscreen for public consumption.
     
    BareBonesF5172_gerber.zip
  10. Like
    antennahead got a reaction from RobG in maximum range for ez430-rf2500?   
    Please see attached schematic, board photo, and paper we had submitted to RWS 2011/2012. 
     
    At any rate, we spun the antenna out of this as I previously mentioned and made DN034, previously cited in this thread.
     
    Ultimately the Chipcon team in Oslo decided not to pursue and App Note based on the combination CC2500+CC2591 for a few reasons.
     
    Beware, the way we were operating this thing was breaking all sorts of FCC rules... but we wanted to see how far we could push this chipset.
     
    The zip file has the gerber files- for proper transmission lines you MUST use the PCB stackup outlined in silkscreen.
    This stack-up is the Advanced Circuits "$66 Each" 4 layer prototype stackup.
    paperF.pdf

    schematic.pdf
    xcvr4.zip
  11. Like
    antennahead got a reaction from RobG in maximum range for ez430-rf2500?   
    OK, I really do hate to brag here, but see attached snap shot of an ultra-long range xcvr based on the CC2500+CC2591+Yagi antenna, (+7 dBi Gain).
     
    This xcvr design was based on the ez430-rf2500, and then I added the 2591 and the antenna.
     
    This design was the basis for TI app Note DN034, "2.4 GHz Yagi Antenna Design" http://www.ti.com/lit/an/swra350/swra350.pdf
     
    With low data rate, and +28 dBm EIRP, this thing had a range of ... 60 miles.
     
    We tested it by placing the transmiter on top of Pikes Peak (14,110 ft) west of Colorado Springs, and started driving to Kansas.
     


  12. Like
    antennahead got a reaction from bluehash in maximum range for ez430-rf2500?   
    OK, I really do hate to brag here, but see attached snap shot of an ultra-long range xcvr based on the CC2500+CC2591+Yagi antenna, (+7 dBi Gain).
     
    This xcvr design was based on the ez430-rf2500, and then I added the 2591 and the antenna.
     
    This design was the basis for TI app Note DN034, "2.4 GHz Yagi Antenna Design" http://www.ti.com/lit/an/swra350/swra350.pdf
     
    With low data rate, and +28 dBm EIRP, this thing had a range of ... 60 miles.
     
    We tested it by placing the transmiter on top of Pikes Peak (14,110 ft) west of Colorado Springs, and started driving to Kansas.
     


  13. Like
    antennahead got a reaction from bluehash in Bare Bones F5172 EVM   
    I've also created a 'F5172 eval board, but a simpler design.  See attached image.
     
    This design was motivated by a need at U. of Colorado, Boulder for a Timer_D enabled '430 for use in their senior level power lab class.
     
    Class starts on Monday, 1/14/2013.
     
    Schematic and BOM is attached.
     
    This board will be available for purchase from Schmartboard (http://www.schmartboard.com/) probably in about a month.
     
    Model #710-0009-01, board size is 2"x3" with 0.1" headers and the usual MSP430 UIF interface.
     
    It will cost between $20-$30 depending on if you want the MSP stuffed or not.
     
    If there is enough interest, I can spin the gerbers and delete Schmartboard's proprietary board outline and logo if people want to roll their own.
     
    Best regards,
    S. Dunbar
    Texas Instruments, FAE
     
     
    schematic.pdf
    BOM.pdf

×
×
  • Create New...