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A 5GHz balanced fully integrated Power Amplifier (PA) on a single chip has been designed in a 0.18 μm SiGe BiCMOS technology. An analysis show that the process featured by 60GHz characteristic frequency can largely improve power output performance, and the differential topology optimized linearity, power added efficiency (PAE) and large signal performance. At 5.5GHz frequency, with 3.3V voltage supply,...
In this letter, a compact envelope-memory polynomial based model, suitable for forward and reverse modeling of weakly nonlinear wireless transmitters and power amplifiers (PAs) exhibiting electrical memory effects, is presented. This model is implemented in a complex gain based architecture and takes advantage of the dependency of PA nonlinearity on the magnitude of the input signal. Contrary to conventional...
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