SWR + Power meter with TFT screen Version III
The PASTA-Meter Version III of the power and SWR meter. This time with nextion TFT screen. Because of TFT screen it looks nice and for […]
The PASTA-Meter Version III of the power and SWR meter. This time with nextion TFT screen. Because of TFT screen it looks nice and for […]
0-10 MHz receive over UTP? For a long time I had the idea to use UTP (Unshielded Twisted Pair) cable for my receive antenna, […]
50 MHz Bandpass filter The last band for this filter was the 50 MHz band. With 6 turns inductor and a 22 pF capacitor it […]
70 MHz bandpass filter When working on the 144 MHz bandpass filters, these were tunable over such a wide range that 70 MHz was almost […]
In order to provide a more clear overview on the protection system. You will find the blockdiagram below: It consists of the Power / SWR […]
The AD8307 is a nice logarithmic amplifier with a lot of uses for amateur radio. My SWR Power meter is build around it. (LINK) The […]
Introduction For my new to build HF PA I was looking for 3 turns counters for vacuum capacitor and / or a roller inductor. These […]
I broke my plate choke! It was too close to the coolers of the GS35 in the amplifier. The result was a burned choke. I […]
On his webpage Hans published his GPS receiver already a long time ago. It can be found HERE As an extra Hans put in the […]
For my newly build 50-70 MHz amplifier I needed a suitable driver. I needed about 5W drive. I started with a CATV module, the BGY888. […]
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