Skip to main content

1.FAA-450 Antenna Analyzer (EU1KY) Introduction

1.FAA-450 Antenna Analyzer (EU1KY) Introduction

I recently received a RF board. It is in the form of a docking board on the STM32F746 Discovery board.
When you connect the RF board and the STM32F746 Discovery board, they operate as a very good antenna analyzer.

5.Principle of Antenna Analyzer
6.Antenna Analyzer Firmware Improvement



As well as a general antenna analyzer, it is possible to measure the phase so that the characteristics of the antenna can be easily grasped.

 I accidentally used this antenna analyzer, but it was incredible. So I decided to analyze this antenna analyzer a little bit more and improve its functions.

0.It will be posted in the following order.
Antenna Analyzer (EU1KY) Introduction -> Upload firmware to Antenna Analyzer -> Firmware improvements ... more and more -> Exit when all desired functions have been added


1.About EU1KY's Antenna Analyzer
Below is the main homepage of EU1KY which made this antenna analyzer.
https://bitbucket.org/kuchura/eu1ky_aa_v3/wiki/Home

You can see the introduction and source code of Antenna Analyzer on the homepage.



2.Where to buy the FAA-450 Antenna Analyzer (full version)
https://www.elekitsorparts.com/product/faa-450-antenna-analyzer-eu1ky/

You can purchase items with various options.


 3.Another purchase site #1 (full version)
Aliexpress or E-Bay (Search Keyword :  antenna analyzer mini-600)


I have not used the Mini-600 yet. However, the internal structure is considered to be the same as the antenna analyzer of EU1KY.

4.Create your own antenna analyzer

STM32F746 : www.mouser.com or www.digikey.com
Search Keyword : STM32F746G-DISCO


 RF Board for Antenna Analyzer : https://www.elekitsorparts.com/product/faa-450-antenna-analyzer-eu1ky/ or ebay

 Search Keyword on E-Bay : eu1ky






5.Firmware for Antenna Analyzer (EU1KY)


5.1 DH1AKF's source code (modified eu1ky code)




The following post will show how to update the FAA-450's firmware and how to use it.


Label:

Comments

  1. Larry HattFebruary 7, 2019 at 8:06 AM

    Dr. Ian - just what I was thinking about. Searching for a SI5153 based swr device. Have ordered the 2 boards and will follow your developments closely.

    BTW followed all your enhancements to ubix with Nextion screen. Now an amazing little transceiver and aim to get it on the digital modes.

    Congratulations and thankyou this amazing development.

    ReplyDelete
  2. KD8CECFebruary 12, 2019 at 7:08 PM

    Larry
    Thank you for your interest.
    The EU1KY Antenna Analyzer already works well with eu1ky's firmware and dh1afk's firmware.
    I'm going to add a little more functionality there.

    Ian, KD8CEC

    ReplyDelete
  3. DH1AKFFebruary 15, 2019 at 12:45 AM

    This comment has been removed by the author.

    ReplyDelete
  4. DH1AKFFebruary 15, 2019 at 12:55 AM

    In my opinion, it is very risky to lead an output of the SI5351 directly to the outside. Destruction or damage to the circuit is very easily possible. It would be safe to first use a voltage divider (2 resistors), and then go to 50 ohms coax. For vector measurements there I dont't see a possibility to get the phase information of Output 2.
    73's Wolfgang, DH1AKF

    ReplyDelete
    Replies
    1. KD8CECFebruary 15, 2019 at 2:55 AM

      Thanks you very much for your comment.
      I started working on seeing your wonderful work.
      Your opinion is correct. There is no way to measure the phase for Out2. Additional circuitry will be required to measure the phase.

      The primary goal now is to implement the Tracking scope function.
      (Features in the Spectrum Analyzer with Tracking RF Signal)

      I am not considering the phase in Tracking mode at this time, but I plan to make a circuit if I have a user who needs it.

      I will reflect your opinion in the second version.
      I always ask for a good opinion.

      Once again thank you for your excellent work.

      Ian KD8CEC




      Delete
  5. charlieFebruary 16, 2019 at 11:11 PM

    Is it possible to replace the STM32F746 with the Raspberry Pi 0 board. Easily available , although not sure of its difference with the original board.

    ReplyDelete
    Replies
    1. KD8CECFebruary 21, 2019 at 12:26 AM

      It seems possible. But it seems that it will take time to convert LCD control to GTK. We also need to consider the time required to boot Linux.
      If it does, it may be the Ham toolkit, not the Antenna Analyzer Because we can put all the tools of Linux.

      Delete
    2. tiborgatsMarch 7, 2019 at 11:35 AM

      I recommend this board for newer designs: STM32MP157C-DK2

      Delete
  6. UnknownFebruary 19, 2019 at 8:54 AM

    Good work, Ian, and thank you Wolfgang

    ReplyDelete
  7. JeffNovember 13, 2019 at 8:35 PM

    Hi Ian,
    I have the AliExpress version of the Antenna Analyzer, the
    Mini-600. Can this be upgraded to your firmware? If yes, can you point me to the
    link as to how to do the upgrade please. Thanks

    ReplyDelete

Post a Comment

Popular posts from this blog

Release CEC Firmware v1.200 for uBITX All version(include V2, V3, V4, V5)

Release CEC Firmware v1.200 for uBITX All Version (include v2, v3, v4, v5) I did the firmware work for v5 when uBITX V5 was released, but I release it now.
I received the feedback from a thankful beta tester and tested it myself by converting my uBITX v3 to v5 but I was not sure.

I ordered the uBITX V5 and delivered the correct uBITX V5, so I made a little more fine-tuning.
If you use V2, V3, V4, you do not need to update this firmware.

31 comments
Read more

uBITX with Nextion LCD (CEC Firmware) - Installation and Introduction

uBITX with Nextion LCD (CEC Firmware) - Installation and Introduction uBITX CEC Firmware supports various LCD since Version 1.08 (16x02 Parallel, 20x04 Parallel, 16x02  I2C, 20x04 I2C, 16x02 Dual LCD with I2C).
Supports Nextion LCD (Graphic LCD) from Version 1.09, Version 1.09x is primarily aimed at Nextion LCD support. Also 1.09x will continue to be Beta version. If you want a stable version, please use 1.08 or 1.1 version to be released in the future.

44 comments
Read more

Release EU1KY AA Firmware CEC Version 1.01 and 1.0a

Release EU1KY AA Firmware CEC Version 1.01 and 1.0a
It is the stabilized final version of EU1KY AA. Updates starting with Version 0.1 continue to add features. Please refer to the link below for added features.

I have separated the Version to 1.01 and 1.0A for users who want to use AA only for instrumentation purposes.

*  If you want to use all the features added up to Version 0.71, please use Version 1.0A.
*  If you want to use it only for instrument use, please use Version 1.01



Version V1.0A


Version V1.01



1.Download Firmware Version 1.01 and 1.0a
https://github.com/phdlee/antennaanalyzer/releases
Version 1.01 (Version with only antenna analyzer function) https://github.com/phdlee/antennaanalyzer/releases/download/v1.01/AA_CEC_V1.01.zip
Version 1.0A (Version with all features added up to Version 0.71) https://github.com/phdlee/antennaanalyzer/releases/download/v1.01/AA_CEC_V1.0A.zip
ConvertRXP (Converters for using AA measurement data in other tools such as Matlab) https://github.com/phd…
9 comments
Read more