●●● ●●●● ●●●●心 Feature: ●●●● ●●●●0 ●●●● Dall of the element values for the ladder-type circuits is ●●● ● ● normalized.对阶梯型电路的所有元件值都是归一化的 2the element values are different according to different response..元件值因不同的响应而不同 ③Fgw+,=l,the load is matched负载是匹配的 IF g1,the prototype realizes Impedance transformer. 原型实现了阻抗匹配 Filter specifications->Low-pass prototype Process:design 滤波器指标 低通原型设计 →scaling and conversion→Implementation 标度和变换 实施 16③ IF 1 1, gN  the load is matched负载是匹配的 IF 1, g N1  the prototype realizes Impedance transformer. 原型实现了阻抗匹配 Feature: ①all of the element values for the ladder–type circuits is normalized. 对阶梯型电路的所有元件值都是归一化的 ②the element values are different according to different response.元件值因不同的响应而不同 Process: Filter specifications →Low-pass prototype design 滤波器指标 低通原型设计 →scaling and conversion →Implementation 标度和变换 实施 16