OldRFguy
Junior Member level 1

I feel I should know this, so I am a bit embarassed asking this question but here goes...
Antenna gain is often referred to as 'noiseless gain' but does the radiation resistance of an antenna have thermal noise associated with it?
If it does, why, in the various formulae for the radiation resistance of specific antenna types (dipole, monopole, loop etc), do they not have an absolute temperature term?
Thanks
OldRFguy
Antenna gain is often referred to as 'noiseless gain' but does the radiation resistance of an antenna have thermal noise associated with it?
If it does, why, in the various formulae for the radiation resistance of specific antenna types (dipole, monopole, loop etc), do they not have an absolute temperature term?
Thanks
OldRFguy
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