On the base of 2-plane discontinuity in microstrip transmission line the output networks for class-E/F amplifier with harmonic control are presented. The output network transforms high resistance of load into a low load resistance at MOSET drain. The harmonic filters are realized using coupled slot resonators of complex shape in ground plane of microstrip transmission line. Using this solution, the two output networks were designed and investigated: with control up to 3-rd, and up to 4-th harmonics inclusive. In the amplifier with 4-th harmonic control the drain voltage has flat waveform, which significantly increases transistor utilization factor. Efficiency of the both simulated power amplifiers at the operating frequency of 2.14 GHz was more than 80% at the output power level of 5.3-6.0 W.
Rassokhina, Y.v., Chernov, D., Colantonio, P. (2018). High-Efficiency Microwave Power Amplifier on Basis of Defected Ground Structure Resonators. In 2018 International Conference on Information and Telecommunication Technologies and Radio Electronics (UkrMiCo) (pp.1-4) [10.1109/UkrMiCo43733.2018.9047524].
High-Efficiency Microwave Power Amplifier on Basis of Defected Ground Structure Resonators
Colantonio, PaoloMembro del Collaboration Group
2018-01-01
Abstract
On the base of 2-plane discontinuity in microstrip transmission line the output networks for class-E/F amplifier with harmonic control are presented. The output network transforms high resistance of load into a low load resistance at MOSET drain. The harmonic filters are realized using coupled slot resonators of complex shape in ground plane of microstrip transmission line. Using this solution, the two output networks were designed and investigated: with control up to 3-rd, and up to 4-th harmonics inclusive. In the amplifier with 4-th harmonic control the drain voltage has flat waveform, which significantly increases transistor utilization factor. Efficiency of the both simulated power amplifiers at the operating frequency of 2.14 GHz was more than 80% at the output power level of 5.3-6.0 W.| File | Dimensione | Formato | |
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