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BASIC4MCU | 하드웨어 | AUDIO | PortableSDR

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작성자 키트 작성일2017-08-25 14:10 조회1,423회 댓글0건

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PortableSDR

Fully stand-alone HF (Shortwave) Software Defined Transceiver & Vector Network Analyzer. Designed for rugged portable use. Highly hackable.

 

DESCRIPTION

The PSDR is a completely stand-alone (no computer needed), compact, Portable Software Defined Transceiver (hence the name, sorta). Originally designed for backpacking use by Ham Radio operators. It includes complete coverage up to about 30Mhz (plus 144Mhz), it has a 168Mhz ARM processor, color display, and an innovative interface. 

Vector Network Analysis (which includes antenna analysis) and GPS functions are included. 

The entire design is Open Source. The electronics are designed and laid out to be easy to understand and tinker with. In addition to source code, schematics, board layout and parts lists, articles and videos describing the theory of the design are being created.

DETAILS

 

Want a PortableSDR? Please take THIS SURVEY so I can make it happen!


Finals Video:

 

For previous project views, please see links to the left.

System Design Document / Block Diagram:

3660040649_skUGZbEu_6110961408149230114.png

Click here for a PDF.

Source code and Design Files: All files (including the above diagram) are available on GitHub at https://github.com/MichaelRColton/PSDR

License Information: The project code is still very much in development. It currently uses the Adafruit GFX and ILI9340 libraries (both being adapted for this application) and is likely to use other libraries in the future. I will comply with any licenses for libraries I include, and plan to license the project itself under a permissive license (like MIT) or a copyleft license like GPL. I would very much appreciate suggests on this.

About the PSDR1: There were a lot of subcircuits that I had never tested for this project (and were hard to breadboard at the frequencies and sizes involved) so I built the PSDR1 board you see here to demonstrate all those parts. I left off the easy stuff (like a battery charger, the whole GPS sub system) and a few of the more advanced parts (like the RF switching, and phase and amplitude measurement IC) Also, while the LCD module was expedient, the next version will have it integrated directly.

 

COMPONENTS

  • 1×STM32F429 MicrocontrollerU21 - Digikey part number: 497-14052-ND
  • 1×AD8302 Magnitude/Phase DetectorU23 - Digikey part number: AD8302ARUZ-ND
  • 2×AD9834 DDS Frequency SynthesizersU1, 8 - Digikey part number: AD9834CRUZ-ND
  • 1×QVGA LCD ILI9340/ILI9341LCD - Search ebay for "2.2 (ILI9340, ILI9341)"
  • 1×GP39-1513 GPS RecieverU4 - http://www.adh-tech.com.tw/?36,gp39-1513
  • 2×AT42QT1010 Capacitive Touch SensorsU19, 20 - Digikey part number: AT42QT1011-TSHRCT-ND
  • 30×Other ICs and SemiconductorsSee Bill of Materials for details
  • 97×Surface Mount ResistorsSee Bill of Materials for details
  • 174×Surface Mount CapacitorsSee Bill of Materials for details (Do you see why I didn't want to list them all here?)
  • 23×Connectors, Inductors and Other PartsSee Bill of Materials for details

View all 16 components

PROJECT LOGS  Collapse logs

  • Big in Germany

    Michael R Colton • 01/17/2015 at 19:15 • 0 comments

    3660040649_nYyhjcfl_6745591421521238216.jpg

    So I get home yesterday to find an unexpected package. Inside is a Ham Radio magazine (The December 2014 issue of Funk Amateur, I like the name!) with a note.... all in German. Sweet! I flip through it and to my shock, I find the PSDR! WHAAAAT!? What a cool thing! (I'd scan the whole thing, but that might be verboten, copyright stuff, you know.) I googled to see if the article was online, didn't find it, but did find a mention of the PortableSDR here.

    The Kickstarter campaign is off to a great start! Last I looked it was almost to $12,000 (20% of the goal) at this rate it will be successful! Thank you so much everyone for your support!

    I am getting a lot of messages, and I am trying to get caught up on posts and things, I hope to get caught up soon.

     

  • KickStarter! Finally!

    Michael R Colton • 01/14/2015 at 06:01 • 2 comments

     

    PortableSDR on Kickstarter

    Now you guys can finally get it! Sorry it took so long! Thanks for your patience and support eveyone!

    For all of you who are itching to have one (bless your hearts) click here! 

    The internal speaker works now, btw (not great, but it's a start). Also, I have some ideas for a pretty cool 4 band antenna that doesn't need a tuner. 

     

  • Quick Update

    Michael R Colton • 12/12/2014 at 05:31 • 5 comments

     

    Hi fans!

    I just wanted to make a quick post here to let you know that I am still here. I wanted to have the Kickstarter live by now, but I really need to get some quotes back on PCB manufacturing, or I wont be able to set the prices with any confidence. I am so excited to get these out into the world, but I don't want to go broke doing it, you know?

    I have an initial quote on the metals (though I want to change the design a little bit) and have been meeting with a local PCB assembly house. I've worked with them (as well as many others) for other projects and have found their work to be absolutely amazing. They cost a little more, but I think it will be worth it in boards that will work well for a long time. Also, since they're local, I won't have to pay for shipping, wait for shipping, or, for example, fly to China (I'm dying to go, but not on my own dime, you see).

    I hope to have a quote back from them soon. When I've got everything figured out, you'll be the first to know! 

     

View all 28 project logs

BUILD INSTRUCTIONS

  • 1

    3660040649_9kFPOSWm_6312961414474986253.png

    Obtain or produce the sub assemblies pictures above (See github for detailed assembly instructions, gerbers, and STLs): Polycarbonate front cover. Encoder PCB, Top housing, LCD, Knob, Main PCB, Paddles, Battery, Bottom Housing, screws and washers. 

     

  • 2

    Connect battery to Main PCB, and set both into Bottom houssing

  • 3

    Connect LCD module to main PCB

View all 8 instructions



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