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I
have built this homebrew Dummy Load
with two 100Ω resistors in parallel to make it a 50Ω load. The resistors are of a special
zero inductance type from Florida
RF Labs made for high frequencies. The Dummy Load handles 80W
continuously or 200W instantaneously up to atleast 1.3 GHz.
The
resistors are mounted on heatsinks
with the thermal resistance
0.8 K/W
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