Project supported by the National Natural Science Foundation of China(No.62001232)。
A power amplifier’s linearity determines the emission signal’s quality and the efficiency of the system.Nonlinear distortion can result in system bit error,out-of-band radiation,and interference with other channels,...
Project supported by the National Natural Science Foundation of China(No.61076030)
Three linear CMOS power amplifiers (PAs) with high output power (more than watt-level output power) for high data-rate mobile applications are introduced. To realize watt-level output power, there are two 2.4 GHz ...
A three-stage 4.8-6 GHz monolithic power amplifier(PA) compatible with IEEE 802.11a/n designed based on an advanced 2μm InGaP/GaAs hetero-junction bipolar transistor(HBT) process is presented.The PA integrates in...
Project supported by the Important National Science and Technology Specific Projects of China(Nos.2009ZX01031-003-002, 2010ZX03001-004);the National High Technology Research and Development Program of China(No.2009AA011605)
A new expression is proposed to analyze the linearization effectiveness of derivative superposition (DS) with large and small signal inputs, and different optimization methods of DS are found for different input mag...
supported by the National High Technology Research and Development Program of China(No.2007AA01Z2b2).
A differential power amplifier (PA), designed using the linear-phase filter model, for a BPSK modulated ultra-wideband (UWB) system operating in the 3-5 GHz frequency range is presented. The proposed PA was fabric...