Accurate computer simulation has helped reduce the cost and time required to complete many new integrated circuit designs. This is because a design can be corrected and its performance tuned faster and more economically using computer simulation than by repeated fabrication and testing of prototypes. However, to tune the performance of many analog and microwave integrated circuit designs, prototyping is still used because the commonly available computer simulation programs cannot simulate efficiently the test scenarios of interest. The main difficulty simulating general analog circuit designs is computing steady-state quantities, such as harmonic distortion, for circuits with a widely spread response spectrum. And in the specific case of microwave designs, this problem is compounded because microwave circuits typically include linear time-invariant distributed devices such as dispersive transmission lines.
KeywordsTransmission Line Metal Strip Node Voltage Quasiperiodic Solution Microwave Circuit
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