Stepped Impedance Resonators (SIR) taken as basic resonator unit of coaxial filters, a kind of generalized Chebyshev coaxial-cavity filter through cross coupling is designed.
A new design principle of a tunable microwave filter having four coaxial cavities is developed. The skill of making and adjusting this kind filter is represented.
论述了四腔同轴调谐微波滤波器的设计原理，并介绍了该类滤波器的制做技术与调试技巧。
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The designing filter is a bandpass filter consisting of four high Q value dielectric coaxial resonators. They were coupled to each other through capacitors on the dielectric substrate.