a600

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

Choosing a heatsink for the A600 LDMOS linear amplifier

For optimal performance, the heatsink should have a thermal resistance of 0.1C/W or better at full fan speed. For the…

6 years ago

A600 v2.0 amplifier module – changes and improvements

I have recently made available a new version on the A600 amplifier based on MRF300 LDMOS transistors. Here is the…

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