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This paper presents waveform engineering based Class-E power amplifier design using simplified GaN HEMT device model. It offers a model based de-embedding approach for predicting extrinsic load impedances at package plane of device. At intrinsic plane of device, voltage and current waveform corresponding to Class-E behavior are maintained during the entire PA design. In order to validate the analysis,...
This letter investigates the design space for feasible load impedances of broadband continuous class-F power amplifier (PA) using the nonlinear embedding transfer function. This can overcome the limitation of anticlockwise trajectory of second-harmonic impedance on Smith chart. The approach starts with the design at intrinsic plane based on generic representation of drain voltage and current waveforms...
This paper presents a design of broadband power amplifier operating in continuous class-F mode. The design space among the continuum of modes has been analyzed to overcome the limitation of anticlockwise trajectory of second harmonic impedance on smith chart, as they impose constraint on realizable matching networks. For the validation of the analysis, the experimental implementation of broadband...
This paper proposes an architecture and Verilog design of fast pipelined Two Dimensional Discrete Cosine Transform (2D DCT) on FPGA with quantization which can be used as a core in video compression hardware. In this design, the methodologies adopted are to use highly parallel and heavily pipelined circuits in order to increase the throughput and to be platform independent, whether an implementation...
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