Abstract
In this letter, the time-domain impulse response with the time-domain volume–surface integral equation field-circuit coupling algorithm is presented. This method uses the time-domain impulse response technique to separate the calculation of the linear electromagnetic field structure from the nonlinear equivalent circuit in the microwave circuit. First, the time-domain impulse response sources of the linear microwave structure are extracted at the location of ports. Then, the nonlinear system equations are built by the time-domain impulse response sources and the equivalent circuit equations. Meanwhile, the Newton–Raphson iteration algorithm is utilized to solve the nonlinear system equations. Finally, the simulation results illustrate that the proposed method is more accurate and effective than the conventional method.
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