A fast design technique for lumped-element multilayered bandpass filters is proposed. With this technique, the difference between multilayered component values and theoretical component values can be quickly estimated and tuned. The design procedure for filters can be obviously simplified, and the efficiency can be improved. This technique is discussed in detail, and mathematic explanation is given. An example is used to show the entire design procedure. The measurement result agrees well with the desired result, which shows the effectiveness of proposed technique.
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