I’ve recently been working on some inductors for a WSPR beacon transmitter. I’ll write about the transmitter in another post, but for now the issues I’m running into is tuning the components for the filter and amplifier.
Luckily, I have a very nice little piece of gear called the VNWA that can do an excellent job of measuring components. Now, the only remaining problem is figuring out how to connect the component to the VNWA.
Originally, I was using a SMA jack connector, but it ended up being a hassle, and I wasn’t pleased with the ease of calibrating it. So, I decided to put together my own with a little bit of copper plated circuit board.
I used my Dremel to cut some traces, and a drill to put the holes in for the SMA jacks.
Then installing the SMAs makes the holder complete.
I also spaced the connectors to match my VNWA, so it’s a very easy connection.
Now all I have to do is solder across the break in the trace to get a good easy connection to my VNWA.