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【文件名】:06425-RF_Calc_2.rar
Im6mo8cf.rar (615.24 KB)
Im6mo8cf.rar (615.24 KB)
1.For a basic explanation of transforms, see the Microsoft Word document Transform.doc.
2.In this menu item, Norton’s transforms are used to modify the original resonator coupled filter structure to an electrically equivalent circuit. You can change the A and K parameters to get part values that are more desirable than those in the original circuit. This is in contrast to the Direct Coupled filters where the resulting circuit an approximation of the original.
3.[B]Note[/B]: If R Load does not equal R Source, only two of the four circuit [B]Types[/B] will generate a valid circuit. For example, if R Source = 50, R Load = 500, and a Butterworth response, only the Pi circuit types yield a result.
4.The bar graph represents ratios of part values. It is usually the case that the closer the various part values are to a 1:1 ratio, the easier the filter is to build. To achieve this, select a value of K that maximizes the bar heights. Then tweak K for part values that are readily obtainable.
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