F600 β 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 bands form 160m to 4m. It is a necessary accessory for the 600W HF/VHF LDMOS linear amplifier in order to removeΒ any harmonic products and make the amplifier legal to use on the air. Challenges For [β¦]
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