Finally, this article gives the methods to control passive intermodulation, measure unloadedQ and to tune multiplexer.
最后对无源交调，无载品质因数测量，多工器调试这几个工程中实际问题进行了剖析。
2
The Resonator configuration with the transmission lines which has stepped impedance structure (SIR) is simple. On keeping the Unloaded-Q situation, we can shorten largely the Resonator length.
A practical method of measuring microwave resonator unloadedQ-factor is presented, which could eliminate phase shift of feed line when Q-factor is estimated by critical-points method.