Compact Lowpass Filters With Sharp and Expanded Stopband Using Stepped Impedance Hairpin Units
β Scribed by Lin Li; Zheng-Fan Li; Jun-Fa Mao
- Book ID
- 118133963
- Publisher
- IEEE
- Year
- 2010
- Tongue
- English
- Weight
- 570 KB
- Volume
- 20
- Category
- Article
- ISSN
- 1531-1309
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A four-pole elliptic function bandpass filter is designed using miniaturized microstrip interdigital hairpin resonator and stepimpedance hairpin resonator. Miniaturization hairpin resonators are realized by using interdigital structure and step-impedance structure having parallel coupled lines. The