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Co-Design of Multi-Band High-Efficiency Power Amplifier and Three-Pole High-Q Tunable Filter by Kenle Chen, Tsung-Chieh Lee & Dimitrios Peroulis is a book available to read on EtoBox.

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This letter reports a novel methodology for co-design of broadband power amplifiers (PAs) and high-tunable filters. It is for the first time demonstrated that the tunable filter's input port can be synthesized to directly match the transistor's output, thus eliminating the conventional broadband/band-reconfigurable matching network of the PA. This leads to minimized circuit size, volume, and loss. In this letter, a three-pole tunable bandpass filter is designed as the output matching network of a 10 W GaN PA, yielding optimal fundamental and harmonic impedances. Simulation and measured results show that the co-designed PA-filter module exhibits desired Chybeshev filter behavior while achieving efficient PA performance in the passband over a 400-MHz tuning range from 2.95-3.35 GHz. Specifically, 51%-67% efficiency, W output power, dB gain were measured throughout the entire frequency range.

Author

Kenle Chen, Tsung-Chieh Lee & Dimitrios Peroulis

Language

EN