Radios in use by me
For original description of the modification go to IZ4BEH . The page is in Italian but using Google Translator is easy to understand main ideas and way to go. I found it very easy to do. One should be, of course, very carefully not to damage components around the modified places. With 28V supply it is […]
Finally finished a power amplifier for Ultimate3S. The idea I had found on net, see page VK3PE . I contacted Glen and he gave me needed GERBER files to order PCB. Used Seeedstudio.com and got 5 pcs very quickly. Had some problems to complete components, see my story about fake RD166HHF1 devices. Finally ampilfier is ready and working. I […]
I bought a pack of 5 x RD16HHF1 HF power mosfets via eBay from good-module based in China and ended up with a problem, devices were supplied but they weren’t RD16HHF1’s ! 🙁 I fitted one device on the amp PCB and applied power. The power supply went into overcurrent shutdown straight away! Measurements indicated that […]
After updating soft to Release E5 for sometimes ago I decided to do hardware modification as well. For instruction and explanation I recommend go to TRX Bench on YouTube – https://www.youtube.com/watch?v=YaGy4pUxkHc . The rig after modification is working excellent and issue with low power is solved.