Zhichen Tu

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In this paper, a high-efficiency K-band MMIC power amplifier using multi-harmonic load terminations is designed and implemented in a 0.15 μm GaAs PHEMT processing technology. At the bias voltages of VD1⁄45 V and VG1⁄4 0.9 V, the three-stage MMIC amplifier attains 25 dB linear gain in average, 20 dBm saturation power, lower than 15 dB input return loss, and(More)
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