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Ka-band high efficiency power amplifier MMIC with 0.30 μm MESFET for high volume applications

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6 Author(s)
J. Mondal ; SRC Honeywell, Bloomington, MN ; J. Geddes ; D. Carlson ; M. Vickberg
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A single-ended three-stage MESFET power amplifier designed for high-volume, low-cost applications shows an average of 15-21% power added efficiency in Ka-band with 100-150 mW of power output over 30-35 GHz. Δ<S21 with power saturation, an important parameter in phased array applications, is also reported. Efficiencies as high as 28% were measured on good wafers with high on-wafer repeatability under power drive

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IEEE Transactions on Microwave Theory and Techniques  (Volume:40 ,  Issue: 3 )