Assembling new big LPF
And cooler for flatpack he. https://www.youtube.com/shorts/pD0XqEJSAwA
Метка: mrfx1k80
Building amplifier — lost count :)
Started building my own new amplifier controller (STM32F405RGT6 backend + esp32 s3 frontend) with blackjack and hookers.
Amplifier case — day 3
Amplifier case — day 2
Finally got the amplifier case
1.5KW HF load SWR
Testing MRFE6VP61K25H
Photos and video (RU)
Big HF load
It’s based on a copper plate, big old whipped aluminium radiator and two 100Ohm resistors, 800watt each.
Check losses in big LPF
Not good at all — heater 🙂
Just photo of mrfx1k80h amp. parts
For qrz.com