CVARS WA7UHD

CVARS
The Chehalis Valley
Amateur Radio Society
WA7UHD

ARRL special service club




Electronics Workshop - July 27, 2017

Time & Location:

Topics:
  1. General Exam – Antenna Questions (G9B)
  2. Lissajous patterns
  3. Measuring 60 Hz with Arduino

Notes:
  1. Lissajous frequency ratio: fY / fX = horizontal line crossings / vertical line crossings

Reference:
  1. General Exam Question Pool: http://ncvec.org/page.php?id=364
  2. PC Based Signal Generator: http://www.dr-jordan-design.de/signalgen.htm
    Runs directly from .exe file without installing.
  3. Lissajous Figures:
    https://www.electrical4u.com/lissajous-patterns-of-cro/
    http://www.electronixandmore.com/projects/scopepong/index.html
  4. Arduino Reference:
    https://www.arduino.cc/en/Reference/HomePage
    http://www.gammon.com.au/interrupts
  5. RC Filters: http://www.electronics-tutorials.ws/filter/filter_1.html

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Updated 07/23/2017.    Email webmaster.      Facebook Link