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[wxsig] a comment on regulators

Bill Hosking hoskingb at earthlink.net
Tue Dec 19 01:57:47 UTC 2006


Several comments have popped up recently regarding the 7805 and it's heat in 
the T238. There is a drop-in replacement by TI that is a switching regulator 
with about 80% efficiency. It is pricey at about $12 but (in my mind) well 
worth the reduction in heat (and drop in power). I have several operating 
around here and do HF and have had no indication of any hash.

73
Bill W7JSW 






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