It's my understand that GaA's produce no heat, or relatively little when electrical current passes thru it, as opposed to silicon, which has a much greater resistance within, thus causing the heat radiation.

Therefore GaA's don't need to perform in high heat situations because they don't operate in that environment.

The article is from 2002/08 and GaA's are still used as RF amps in cell phones to this day so I doubt this is an issue. Additionally, Dr.T would've known about all of this (being a trade magazine) and undoubtedly created something that could deal with it. Certainly the company has never stated there are any issues with the technology regarding heat....quite the contrary actually.

Please correct me if this is not the case.