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In this letter, we report the state-of-the-art micro wave noise performance of discrete 0.15-μm-gate-length field plated (FP) GaN HEMTs. The FP GaN HEMTs yielded a peak fτ/fmax of 60 GHz/150 GHz at Vds = 10 V. An fmax of 230 GHz was obtained at Vds = 20 V. At 2.5 V, the source-drain bias and dc power dissipation of 200 mW/mm, a minimum noise figure (NFmin) of 0.89 dB, and an...
The high power capabilities in combination with the low noise performance of gallium nitride (GaN) makes this technology an excellent choice for robust receivers. This paper presents the design and measured results of three different LNAs, which operate in C-, Ku-, and Ka-band. The designs are realized in 0.25 mum and 0.15 mum AlGaN/GaN microstrip technology. The measured noise figure is 1.2, 1.9...
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