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by PunchyHamster 142 days ago
Entirely depends on band, at 10GHz more like 40%, at lower frequencies more, for example FM band can even go to 70%
1 comments

If you need linearity for spectral efficiency, you pay for it.

30% power added efficiency is the state of the art up in Ku band if you need a low compression budget. And it's important to note that this doesn't include the substantial power spent in modulation of complex signals or the power conversion, etc, before the transmitter. Or, the power lost in the connection to the antenna and its matching-- can easily exceed 2dB.

https://www.mdpi.com/2072-666X/15/11/1381