A Simple Microstrip Bandstop Filter Using Cross-Coupling Stubs

<table>3D and side views of the proposed open-circuit stubs (conductor only). (a) Version 1: the middle conductor connected to the upper-layer conductor. (b) Version 2: the middle conductor connected to the ground layer.</table>

International Journal of Microwave Science and Technology

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Figure 2

Figure 2: A Simple Microstrip Bandstop Filter Using Cross-Coupling Stubs 