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A compact filter with coupled shorting stubs is proposed, which also has excellent out-of-band elimination. The structure can produce transmission zeros at both sides of the pass-band of a broadband or a narrow band filter. The configuration parameters and simulated results are presented. Tested results from a sample filter show that the insertion loss is lower than 0.4 dB in the pass-band from 7...
A compact FSS (frequency selective surface) filter will be designed in this paper. The length of the filter is reduced by the use of both bandpass and bandstop FSSs. A sample filter at 8.05 GHz will be designed using CST Studio as an example. Simulation results show that the FSS filter has a bandwidth of 800 MHz and a reflection lower than -20 dB. Tested results from this sample filter agree well...
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