High-efficiency GaAs m.e.s.f.e.t. amplifiers
- 16 October 1975
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 11 (21) , 508-509
- https://doi.org/10.1049/el:19750392
Abstract
High-efficiency c.w. amplification with GaAs m.e.s.f.e.t.s under class-B conditions has been demonstrated. Power added efficiencies as high as 68% at 4 GHz and 41% at 8 GHz have been achieved. Two-tone tests were carried out at 4 GHz. The power added efficiencies at the 3rd-order intermodulation levels of −20, −25 and −30 dB were 49, 40 and 35% respectively.Keywords
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