●●● ●●●● ●●●●心 Low-pass Filter Prototype ●●●0 ●●●●0 ●●●● 1 normalized in terms of impedance and frequency. ●●●● ● 用阻抗和频率归一化 2simplifies the design of filters for arbitrary frequency, impedance and type(BPF,BSP,LPF,HPF.针对任意的频 率、阻抗和类型，简化设计 R0=80=1 L=8 C1=8: C3=83 Beginning with a shunt capacitor L1=81 L3=83 G0=80=1 C3=82 Beginning with a series inductor 15Low-pass Filter Prototype ① normalized in terms of impedance and frequency. 用阻抗和频率归一化 ② simplifies the design of filters for arbitrary frequency, impedance and type (BPF,BSP,LPF,HPF).针对任意的频 率、阻抗和类型,简化设计 Beginning with a shunt capacitor Beginning with a series inductor 15