Adelaide Hills Amateur Radio Society
VK5BAR

 

 = PROJECTS =

 

PROJECT BY OUTLINE   DATE
Balun - "sewer pipe type", by Rob, VK5RG
Construction information
Rob Gurr, VK5RG Multiband HF balun, using RG58 and "sewer pipe" former.
Used by many happy customers!
2006
Small Loop Antennas.
Papers and forum.

Construction details (vk4amz)
Mike Underhill, G3LHZ.
Leigh Turner, VK5KLT.
vk4amz.
Lloyd Butler, VK5BR.
 
Theory, and construction information. 2008 - 2010
Simple Power Supply - laboratory grade Jim Tregellas, VK5TR
  • Fixed supply  - 5 volts @ 1 amp.

  • Variable supply – 0 to 15 volts dc @ 800 mA max. 

  • Hum and ripple less than 5 millivolts peak to peak

  • Regulation from no load to full load better than 20 millivolts.

2010
         
See also the various links in our Resources Page
Updated  26/07/2010