CVARS WA7UHD

CVARS
The Chehalis Valley
Amateur Radio Society
WA7UHD
A 501(c)(3) Corporation

ARRL special service club




Electronics Workshop - July 25, 2019

Time & Location:

Topics:
  1. Radpberry Pi 4
  2. 8-pin ATtinyxx
  3. Yagi Antennas
  4. Log Periodic Antennas
  5. Checking Donated Equipment

Notes:

Reference:
Raspberry Pi 4
  1. https://www.raspberrypi.org/ 
Miniaturize Arduino Projects with 8-pin ATtinyxx:
  1. https://www.instructables.com/id/How-to-Miniaturize-Arduino-Projects/.  Using a $1.30 ATtiny13.
  2. https://www.instructables.com/id/Home-Made-Digispark/.  Using a $1.24 ATtiny85.
Antennas Overview:
  1. http://www.antenna-theory.com/ 
Yagi Antennas:
  1. "Yagi-Uda Antenna," http://www.antenna-theory.com/antennas/travelling/yagi.php
  2. "Yagi Antenna/Yagi-Uda Aerial," https://www.electronics-notes.com/articles/antennas-propagation/yagi-uda-antenna-aerial/basics-overview.php 
  3. "Delta Match," David Reid, https://www.qsl.net/pa3hbb/DeltaM1.htm 
  4. "Antenna Feeder Systems and Impedance-Matching Networks," A. L. Albert, http://www.vias.org/albert_ecomm/aec13_radio_systems_006.html 
  5. "Building a Yagi Antenna for UHF," http://jtecheng.com/?p=957. Interesting about over-the-air television and building an antenna to receive digital TV signals.
Log Periodic Antennas:
  1. "Practical High Performance HF Log Periodic Antennas," Bill Jones, K8CU, https://www.realhamradio.com/Log_Periodic.htm 
  2. "Practical High Performance HF Log Periodic Antennas," Bill Jones, K8CU, pp 31-37, ARRL QST September 2002.
  3. "Designing Log Periodic Antennas," Glen Dash, http://glendash.com/downloads/electromagnetics/working-papers/Log_Periodic.doc 
  4. "LPCAD Software," Roger Cox, W8IO, http://www.w8io.com/LPCAD2.htm 

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