The optimized design of filter is the key and difficult points in designing. This paper introduces a method named interactive simulation between circuits and electromagnetic fields, and then gives the detailed steps with an example of microstrip wideband bandpass filter. At last, the effective result is demonstrated.%滤波器的优化仿真是设计的重点和难点。针对此,应用ADS软件,介绍了一种电路和电磁场之间的交互联合仿真,结合微带带通滤波器实例给出了详细的步骤,并得到了有效的结果。
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