On 8/21/2021 7:48 PM, Gary Memory wrote:
I had no idea heat sinks existed.
Heat sinks have been widely used since the introduction of
semi-conductors in the '50s. I don't know, but I suspect that they were
used with high power tube gear. They are discussed in Chapter 4.11 of
the ARRL Handbook.
73, Jim K9YC
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