CVARS K7PG  

     CVARS    K7PG
  The Chehalis Valley
 Amateur Radio Society
A  501(c)(3) Non-profit

     ARRL special service club
 
 
 
Electronics Workshop - November 19, 2020

Time & Location:

Topics:
  1. Antenna Switching
  2. Handheld Dummy Load

Notes:
Antenna Switching:
  1. "A Foolproof Antenna Switch" for SDR receivers: https://www.sdrplay.com/community/viewtopic.php?t=3840 
  2. A Receiver Antenna Switch: http://www.n5ese.com/tr_switch.htm 
  3. MFJ-1708B-SDR RF Sensing T/R Switch: https://mfjenterprises.com/products/mfj-1708b-sdr 
  4. MFJ-1708SDR Product Review: https://www.rtl-sdr.com/using-a-transmit-receive-switch-to-protect-an-sdr-from-a-transmit-radio/ 
  5. Article on PIN Diode Switches: https://www.digikey.com/en/articles/how-to-quickly-safely-switch-antenna-transducer-transmit-receive-modes 
  6. Second Article on PIN Diode Switches: https://www.frostburg.edu/personal/latta/ee/qsk5/trswitch/trswitch.html 
  7. Switching between Receive and Transmit Antennas: http://www.ad5x.com/images/Articles/SeperateTRantswitch.pdf 
Handheld Dummy Load:
  1. "An Easy Handheld Dummy Load and Output Tester," Hints & Hacks Column, QST, December 2020, pg 52.
  2. "Incandescent Bulb I-vs-V," https://gasstationwithoutpumps.wordpress.com/2016/07/08/incandescent-bulb-i-vs-v/ 
  3. JYE Tech FG085 Function Generator, https://jyetech.com/fg085-minidds-function-generator/ 

Reference:
  1. QSO Today Virtual Ham Expo March 13-14, 2021. The August 2020 Expo talks can be accessed at: https://www.qsotodayhamexpo.com/ 

Updated 11/19/2020.    Email webmaster.      Facebook Link