Roger G3XBM's (Mainly) Amateur Radio Blog

My first ever RX outings on 2m were with a derivative of the CQ2 super-regen RX circuit from Practical Wireless back in the late 1960s. The ...

It is hard to contain my enthusiasm for simple transceivers and super-regen receivers! This video shows just how well the RX breadboard for ...

Although I had little time today, I experimented with adding varicap tuning to the Tenbox AM transceiver's RX section. Only problem wa...

As promised, I've put a small video about the Sixbox 6m AM transceiver on my YouTube channel. You will recall that the Sixbox was a sma...

Looking at project ideas, I am beginning to think about a simple 6m AM transceiver design. The starting point would be my Fredbox design fo...