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This paper presents a new methodology for reducing power consumption of power amplifiers from low level to high level RF power with minimal amplitude and phase variations. The study also highlights the important design considerations to achieve a good efficiency and excellent amplitude and phase tracking among the SSPAs.Using this methodology a flexible S band SSPA has been designed for the new generation...
This paper presents results of a Ka-band VSAT ground terminal MMIC chipset developed in a cost reduction context. The first one, a low level multifunction designed for up-conversion with high gain driver, exhibits a 17 dB conversion gain with an associated P/sub 1dB/ output power close to +18 dBm. The second one, a high power amplifier with embedded power detection, delivers 2 W RF output power associated...
This paper describes the design of a compact C-band MMIC power amplifier. Intensive non-linear and electro-magnetic simulations with accurate table-based models allowed the chips to achieve very good performance. A linear gain of 28 dB, an output power greater than 6 W with 50 % of power added efficiency and 3?/dB of AM/PM conversion at 2.5 dB gain compression have been measured over production at...
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