kit

F600 – a 600W low-pass filter board for 1.8-72MHz

This design offers a practical solution for HF/low-VHF amplifier output filters, handles 600W and is designed to cover all amateur…

6 years ago

A 600W broadband HF amplifier using affordable LDMOS devices

Update: this project is evolving. See this page for the latest version. Kits are available in the shop area. The…

6 years ago