From the Workbench |
Summary | Call Sign |
|---|---|---|
| A compact 1:1 Choke Balun with decent power handling, for less than $50 |
Here is a simple weatherproof choke balun, capable of 100w+ power handling, compact in size, neat looking and low cost. |
17/10/2009 |
| A simple 30w class C PA unit for 2m use |
This is a power amp that is great for giving your 2m HT a bit more grunt. |
30/05/2010 |
| A subtone encoder for allowing older radio's to use repeaters |
This is a simple subtone encoder that anyone can build, which will generate 123Hz (default), 91.5Hz -or- both at the same time, for convenient repeater access. I have to advise, that I am not sure of the legality of running both 91.5Hz and 123Hz at the same time, but it does work :) |
01/08/2010 |
| Attenuator |
An attenuator suitable for foxhunting and other equipment testing |
VK8GG 19/09/2009 |
| Audio Function Generator with Frequency and P-P voltage display |
This is an audio signal generator that does sine or square wave, operates from 20Hz to just over 30Khz, has a frequency display with 1Hz resolution, and a P-P output voltage indicator with a resolution of 100mV. |
04/12/2009 |
| Building a Dummy Load and Measuring Power Accurately |
The title says it all. This article is published with the permission of the author, Ken Kemski K4EAA. |
13/11/2009 |
| Suppressing RF Interference |
Ferrite is your friend, and more often than not, the simplest solution to RFI problems. |
29/09/2009 |
