WA0UWH - Electronics & HAM Radio Blog

Jack - WA7KMR and I spent some time in his Lab, using his Test Equipment to characterize the first few modules of my homebrew implementatio...

Here are the first few modules of my implementation of the Fanhan Minima Transceiver . The RF Mixer on the left, the 20MHz Crystal Filter ...

I ordered and recently received a batch of 20MHz Crystals to build an experimental Crystal Filter similar to as shown in Farhan's Mini...

My Son and I are working on a project to automate; 20 air driven punches, with a similar strategy that was used by the old "pin printer...

I took my Homebrew Mixer and Amplifier (see previous posts) to Jacks Homebrew Meeting tonight. I was hoping that Jack and his Lab could hel...

If you look at the schematic of the Mixer shown as used with LTSpice (see previous post), you will see the center of the lower transforme...

With a little work, I was able to shrink the PCB for my mixer (see previous post). The smaller coils, smaller JFET foot prints allow for op...

I have been wanting a simple Mixer Circuit for experiments in my electronics shop, and most recently for use with my Small Signal Amplifier ...

Update added at end of post. I connected a reasonably calibrated 100uVolt RMS 50 ohm RF source to the input of my Small Signal RF Amp (see...

Update added at end of post. I corrected the layout of my Small Signal RF Amp as described in the previous post. This time I printed both...