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A novel active quasi circulator module design is proposed. In addition to its small size and operation over a wide frequency range, it has different bandwidths and performance because of using different kinds of unilateral amplifiers. The proposed active quasi circulator circuit is a result of the modular design approach. In this circuit, a matrix amplifier is employed to construct the proposed QCM...
Volterra series is a powerful and accurate method, for weakly nonlinear circuit analysis. According to precision and efficiency of available methods, using this method, seems to be necessary in such circuits. Nonlinear current method, an approach in Volterra series method, is used to analyze an amplifier. An amplifier is designed and is analyzed through Volterra series method. Finally, the results...
In this paper a wave approach has been introduced to study the performance of a distributed amplifier. The time domain response of a FET is obtained by means of the fully distributed model. By applying the procedure to a pi-gate GaAs MESFET, the S matrix is computed from time domain results over a frequency range of 2-20 GHz. Scattering parameters of gate and drain lines are extracted from three-dimensional...
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