Mar 27 2017
Boost amplifier
My R&S signal generator (SMS) is a very nice generator but output power is limited to +13 dBm and sometimes you need more ….
electronics
Mar 23 2017
K3NG Keyer
Finally I finished my ‘new’ keyer based upon the famous K3NG design. I used a standard Arduino Uno board and made my own shield and enclosure.
Nov 2 2013
Sequencer
For my 70 cm setup (TS930 – MMT432/28 – LPM432/100) I had the need for a sequencer that generates the proper timing to switch all on/off in the correct order.
Top view sequencer
Oct 31 2013
Video Switch for ATV
After being active with ATV on several bands with multiple video sources, I felt the need to have a video switch. With this I do not have to plug one video source to another anymore, it saves time especially when working in a contest.
Overview of video switch unit.
Jun 16 2013
RF Power Meter
A power meter is almost a necessity when building your RF equipment. Since I did not have one I decided to build one myself.
Analog meter with homemade scale
1 2