In preparation for the upcoming CQWW 160m Contests, my friend Hannes, DK1NO was so kind to give me one of his W7IUV broadband, high IP3 preamplifier. Thanks, Hannes! Without knowing the exact performance data, I ran a few measurements with my Network Analyzer on the amplifier to determine the Gain and its operational fitness. Read on for measurement results and additional notes on how to measure active components.

Continue reading

Author's picture

Tobias Wellnitz, DH1TW


Software Engineer

Germany