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This paper focuses on the optimization of broadband envelope termination for reliable device characterization for future UMTS-LTE systems. Drain bias modulation is suppressed in 8times500 mum GaN HEMT using compensation network overcoming the parasitic effects of the DC feed, generally ignored during broadband measurements. Drain modulation index (DMI) metric is defined for quantifying the extent...
In this paper the design of a 6 W uneven GaN Doherty power amplifier is presented. The Doherty PA is designed to achieve high efficiency for modulated signals with high peak to average power ratio used in modern wireless communication systems. The Doherty amplifier has been designed using two equal sized GaN devices for the Main Class AB and Peaking Class C amplifiers. An uneven power divider is used...
In this paper the design of a 6W uneven GaN Doherty power amplifier is presented. The Doherty PA is designed to achieve high efficiency for modulated signals with high peak to average power ratio used in modern wireless communication systems. The Doherty amplifier has been designed using two equal sized GaN devices for the Main Class AB and Peaking Class C amplifiers. An uneven power divider is used...
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