[Amps] Ldmos heat spreaders

[Ian Swain <insane.swain@gmail.com>]

Hi guys I'm building my first ldmos amp with a blf188xr and can't find a
nice think slab of copper for a heat spreader

I've only found up to 6mm think would this be okay ? Or could I get away
with 2 layers to get 12 mm with heat transfer paste ?

Any other zl stations or vk found a good copper source ?

73 de zl2ias
All the best
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