利用圆腔ＴＥ０１１模的高Ｑ值特性，设计了高直接耦合式窄带带通滤波器，并给出了具体的设计步骤和实例，理论与实验结果基本一致。

High-Q Characteristic of TE 011 mode in cylindric resonator is employed in the design of a high power narrow-band bandpass filter. Detailed design steps are presented in this paper and an exampe is given out. Measuement result is in good congruence with theoretic expectation.

TN713.502