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This letter introduces a broadband and compact output combiner for Doherty power amplifier (DPA). A grounded quarter Wavelength $(\lambda/4)$ line is added to the output of the peaking amplifier, which helps to compensate for the bandwidth limiting effect that happens in the conventional combiner. Frequency response analysis indicates that stable impedance is achieved across a wide band for the carrier...
In this paper, high efficiency power amplifier for Beidou satellite navigation system is presented. The continuous Class-F PAs will be promising candidate for performances of broadband efficiency and power. Meanwhile, stability networks are also integrated into the layout to prevent low-frequency oscillations. Cree GaN HEMT CGH40010F is used in design of proposal PA. Simulation results show drain...
In recent time, class-EF power amplifiers are promising for the high power added efficiency (PAE) by turning output matching network (OMN) to control the even and odd harmonics at the drain. High quality factor (Q) of output matching network in the circuit is required. So it is difficult to design a broadband high efficiency power amplifier. A practical method of broadband design by using microstrip...
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