A Novel Quad-Band Bandpass Filter Using Short Stub Loaded E-Shaped Resonators


In this letter, a novel quad-band bandpass filter (BPF) using short stub loaded E-Type resonators is proposed. Two sets of resonators are utilized and respectively designed to realize Filter 1, operating at 2.4 and 3.5 GHz, and Filter 2 with two very closely spaced passbands, operating at 5.2 and 5.8 GHz. Then the two dual-band BPFs are combined by common… (More)

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