International Journal of Microwave Science and Technology / 2012 / Article / Fig 3

Research Article

A Simple Microstrip Bandstop Filter Using Cross-Coupling Stubs

Figure 3

(a) The equivalent circuit model of the structure as shown in Figure 2(b). (b) Simulated frequency responses of | 𝑆 2 1 | of the structure as shown in Figure 2(b) with different width at middle layer and the corresponding equivalent 𝑍 𝑆 , where θ is set to be 90° at 2 GHz.

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